Someone Dumped Four or Five Pet Goldfish in a Boulder Lake About Two Years Ago: They Have Now Multiplied to Over 3,000 to 4,000 Fish

Colorado wildlife officials say they believe someone dumped four or five pet goldfish in a Boulder lake about two years ago, and they have now multiplied to over 3,000 to 4,000 fish.

Because the goldfish are a non-native species, they threaten Teller Lake #5's entire aquatic ecosystem, Colorado Parks and Wildlife (CPW) spokeswoman Jennifer Churchill told ABC News today.

"Dumping your pets into a lake could bring diseases to native animals and plants as well as out-compete them for resources," Churchill said. "Everything can be affected. Non-native species can potentially wipe out the fishery as we've put it together."

Wildlife officials are seeking information on anyone who may have released the goldfish into the lake, she said.

CPW is currently considering two solutions -- electroshocking the fish or draining the lake.

"With electroshocking, you go in the boat and stun the fish to paralyze and collect them," Churchill said, adding that the shock doesn't kill the fish. "The fish could also be collected if the lake is drained."

Either way, wildlife officials will likely take them to a raptor rehabilitation center, where the fish will be used for feeding, Churchill said.

Although a few residents have expressed interest in collecting the goldfish to keep them as pets, Churchill said she doesn't want to encourage the practice.

"I'm going to talk to Boulder County, who owns the lake to see what they think, but I don't want to send the message that collecting fish for personal fun is okay," Churchill said. FOLLOW US!

Can You Keep Cephalopods As Pets?

Cephalopods, the class of mollusks which scientists classify octopuses, squid, cuttlefish and nautiluses, can change color faster than a chameleon. They can also change texture and body shape, and, and if those camouflage techniques don't work, they can still "disappear" in a cloud of ink, which they use as a smoke-screen or decoy. Cephalopods are also fascinating because they have three hearts that pump blue blood, they're jet powered, and they're found in all oceans of the world, from the tropics to the poles, the intertidal to the abyss. 

Cephalopods have inspired legends and stories throughout history and are thought to be the most intelligent of invertebrates. Some can squeeze through the tiniest of cracks. They have eyes and other senses that rival those of humans.

Usually, hobbyists interested in keeping a pet cephalopod should stick with Octopus or Cuttlefish - Squid don't survive well in aquaria) should first consider buying one at their local aquarium store. Even if they don't regularly stock cephalopods, most good saltwater shops can special order an octopus (and in rare cases, a cuttlefish) if it is requested. 

The main advantage one gains by going through a pet store is in cost—and it's a big difference. Because pet stores buy through distributors and in bulk quantities, a cephalopod at the local shop will cost nearly half of what it would to get through the mail: overnight shipping is expensive and saltwater is heavy; not to mention if the shipment has to cross a national border and become mired in red-tape permits and government bureaucrats that think cuttlefish are fish and octopuses are not because the word fish is not part of their name. Although some retailers will require a deposit to cover their risk, another advantage to the consumer lies in the fact that you normally get to examine the animal and ask the shop owners and caretakers questions about it before you make it your pet. 

Here's The Caveat:

Most shop owners lack specific knowledge about cephalopods, their care requirements, and species information. The online shops and mail-order houses are usually no better about it. In fact, most of what the industry knows about cephs is from trial-and-error and long-standing rumors—rumors that don't favor our soft friends. Many will slap the omnipresent O. vulgaris or O. joubini tag on their animal and sell it as such, regardless of where it came from or what it actually is. The animal you receive could be a baby with the potential to grow very large, or it could be a full grown adult of a small species that may have only weeks left in it's natural lifespan. 

Most octopuses in the aquarium trade are in the small to medium size range as adults—rarely larger than a grapefruit. Both scientists and hobbyists alike find frustration in finding transportation for their cephalopods, and international orders will need to address permits to cross national borders. 

In addition to costing more than many marine fish and invertebrates, none of the cephalopod family tolerate shipping stresses well, and there's always the chance of inking during shipment. 

Most other type of cargo has higher priority than live fish and invertebrates, and some of the species listed below are only available in certain seasons. Also, the prices below do not include shipping costs—which can be over $50 for the smallest specimens and thousands for the largest. 

Things to think about before you buy a cephalopod:

1. Home aquarists and scientists agree- cephalopods can be really hard to keep alive in a tank. They require a very clean, stable seawater system, escape proof lids, and they are picky eaters. Keeping one can be expensive, and feeding one can be expensive.

2. While some countries have strict collecting laws, many tropical animals are collected from the wild using irresponsible and illegal methods such as poaching and/or “cyanide fishing”. Cyanide fishing involves squirting cyanide into the reef and breaking coral to dig out the poisoned, stunned animals. It kills coral, other invertebrates, and fish. Ask your aquarium shop for tank-raised animals.

3. It might be deadly. Blue-ringed octopuses are deadly. There is no anti-venom for their bite. Other octopuses are so poorly known that we don’t even know how dangerous they might be. Relatives of Abdopus aculeatus have a poison in their bodies that’s similar to TTX, the poison in blue-ring venom (Robertson et al. 2004 Toxicon 44: 765). Striking animals like “Wunderpus” and the “Mimic” might be highly venomous. It appears that the skin of the "Flamboyant" cuttlefish is toxic. You don’t want to be the one who finds out. 

4. It might be rare, so taking a wild animal might put those cephalopod populations at risk.

5. It might try to crawl out. Octopuses are well-known for their abilities to escape aquaria. Intertidal species are notoriously hard to keep in a tank. If it goes walkabout when you’re not looking, then you will find a dead octopus on the floor the next morning, or behind the couch in two years. 

6. It might eat your other pets. Crabs, clams and sometimes snails are not safe from the voracious appetite of a cephalopod. Often fish will either eat your cephalopod or be eaten by your cephalopods.

7. They don’t live very long, most species only about a year. By the time you get your tropical cephalopod, it is an adult near the end of its live span. You’ll be lucky to keep it alive for a few months

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A Team of Veterinarians in Scotland Performed a Set of Operations on Pet Goldfish That Cost Nearly $750

Fife, Scotland - A team of vets from Inglis Veterinary Hospital, performed an extremely tricky operation - removing the eye of “Star” a pet goldfish. They also removed a lump off his aquarium partner “Nemo”, his best friend and bowl buddy.

The difficult surgery involved an exotic consultant surgeon, a vet keeping the goldfish under anaesthetic and a nurse monitoring their heart rates. The two operations cost the owner nearly $750, but she believes they were absolutely worth it. Star came into the Gordon family after a being won at the local fair for pocket change.

Star, was won at a fairground stall 12 years ago, had to get a blind, cancerous eye removed.

The operation was carried out on the six-inch fish at Inglis’ 24-hour hospital by exotic animals expert Brigitte Lord.

She said: “This is a highly specialist field, using anaesthetic on a goldfish carries a very high risk, and I'm delighted for the owner that everything went well and the owners are happy.”

“The financial value of a goldfish may be quite small but I think the fact that someone should have paid that much for an operation reflects the true value of the bond between pets and humans.”

During the operations, the vets used Doppler ultrasound equipment to listen through earphones to pulse sounds in order to evaluate Star's blood flow. To keep the fish asleep throughout the procedure it was syringed with oxygenated water with anaesthetic in it.

After the operation, Star was delicately held in a bucket of oxygenated water and, with its mouth kept open, was gently moved (mimicking the swimming action and allowing water to flow over the gills) for around eight minutes before it effectively came back to life. Nemo had more straightforward surgery to remove a lump on him too.

Star and Nemo are kept in Janie Gordon's home in Dollar, but are owned by her 21-year-old daughter Abby, a student in Glasgow.

 “I know it seems like a lot of money to spend on an operation for a goldfish but what was the alternative? I think we've a social responsibility to look after our pets and I know my daughter would have been distraught if anything had happened to the goldfish.” said Janie.

Janie didn’t want Star to be lonely so had bought another fish in a pet shop after her daughter won him by throwing a ping-pong ball into a goldfish bowl. Both Star and his lifelong companion, Nemo, are now over their buddy surgery and happily reunited - holding pride of place in a tank in Janie's kitchen.

“Star is fine,” said Janie. “He’s swimming about happily and the vets have shown me how to give antibiotics too”.

“I probably couldn't have chosen a better vets. I'm not sure anyone else would have attempted it.” said Janie.

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Tips For Starting A Saltwater Tank - A Beginners Guide

So you want to start a saltwater tank? Awesome and good for you! You don't need to have FW experience, but a little understanding goes a LONG way. Here is a brief summary of things to consider when starting a SW tank. This is in no way a complete list, it's just a list of the most basic things you need to consider when starting a salt tank. Be sure to read up on topics and do plenty of research before starting anything because salt tanks are more costly then fresh.

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Freshwater Aquarium Setup - Fish Tank Setup

This freshwater aquarium setup article explains how to set up a basic freshwater fish tank. We'll start with a short list of the equipment you'll need and then give you a step by step guide on setting up or starting your first freshwater fish tank.

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Are You Making These Mistakes Setting Up A New Aquarium?

With the availability of mini-aquarium packages it's become appealing to go small. However, for beginners, choosing a small aquarium is courting failure. Why? Because when the water volume is small, key water parameters change very quickly, leaving no room for error.

Starting Too Small

Even experienced aquarists are challenged by a small aquarium. Newcomers to the hobby, stay away from tanks under 20 gallons until they've gotten some experience under their belt. Remember, the bigger the tank, the less impact a mistake will have on the fish.

Adding Fish Too Soon

New aquarium owners are eager to add fish, often the same day they set up the tank. Some are lucky but many will quickly lose some, or all, of their fish. What went wrong? The water in a new tank hasn't stabilized yet. Gases are dissolved in the water, as well as minerals, heavy metals, and chemicals added by local water treatment facilities.

Without going into lengthy detail about water chemistry, suffice it to say that dissolved constituents in the water can harm the fish. Aquarium water should be treated to neutralize harmful materials, and allowed to stand for a day or so to allow dissolved gases to escape and the pH to stabilize. Only then is it safe to introduce fish to the aquarium.

Adding Too Many Fish at Once

The fish owner isn't eager to fill the tank with fish? Unfortunately adding too many fish all at once is another common new owner mistake. Until the bacterial colonies have fully established, the aquarium cannot safely support a full load of fish. Only add a couple of
small hardy fish initially. Wait until both the ammonia and nitrite levels 
have risen, and then fallen to zero, before adding more fish.

Overstocking

Even getting through the initial startup, it's very common for new owners to overstock the aquarium. Although an experienced person may successfully keep a school of twenty small fish in a ten gallon aquarium, it would be disastrous for a beginner to attempt it.

Debate exists over the inch per gallon rule, but it provides a good basic yardstick from which to start. I recommend taking eighty percent of the net gallons of water in the tank as the maximum number of inches of fish to keep in the tank. The net gallons of water is the amount of water actually placed in the aquarium after the gravel and decorations a in it.

For example, lets say an aquarium holds 16 gallons of water after the decorations and gravel have been added. Multiplying a 16 times 80% yields a result of 12.8 - or about 13 inches of fish as a maximum number. It is always wise to go under the maximum to rather than all over.

Keeping Incompatible Fish

New aquarium owners often choose fish that look appealing to them, without knowing the environmental needs of the fish. Some fish may fight with one another, or require widely different water conditions. Either way, they should not be kept together. Always research each species before choosing tank mates. Select peaceful fish that thrive in similar water conditions.

Overfeeding

The number one mistake made by fish owners is overfeeding their fish. Fish are opportunistic and will seek food at all times. Just because they appear hungry, doesn't mean they need to be fed all the time. Feed them no more than is completely consumed in five minutes.

During startup feed fish no more than once per day, and during critical times when ammonia or nitrite levels are high, withhold feeding for a day or two to reduce the wastes being produced. Fish can easily go several days without food, and not suffer ill effects.

Insufficient Filtration

An aquarium filter should filter all the water in the tank through it at least three times per hour. If it doesn't, it is too small. If in doubt about filter size, move to the next size up. You can't over-filter, but you can definitely under-filter, and the results can be harmful to your fish.

Not Testing the Water

New owners aren't magically given full knowledge of the nitrogen cycle, and the need to monitor the water chemistry in their aquarium. As a result they often are unaware of the need to test their water, and fail to take steps to deal with harmful toxins.

When the tank is first set up, it should be allowed to run for a day or two. Before adding the fish the pH, hardness, ammonia, and nitrite levels should be tested for a baseline record. During the startup cycle it is important to test the ammonia and nitrites often (see Nitrogen Cycle for details). Once the tank is well established, test the water monthly to be aware of unseen problems that may be brewing. If fish suddenly die, test the water to see if anything has changed.

Not Changing the Water 

On other area that new owners aren't always educated about is aquarium maintenance, which includes changing part of the water on a regular basis. Wastes build up in the tank that can only be removed by vacuuming the gravel and removing some of water and replacing it with fresh water.

Although your fish may not die if you fail to maintenance and regular water changes, they will be stressed by substandard water conditions. As a result they will be more susceptible to disease and often will have a shorter lifespan than they should have.

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Giant Octopus Was Caught on Video Trying to Escape His Glass Display Tank at the Seattle Aquarium

Seattle, Washington - A giant octopus was caught on video trying to escape his large glass display tank at the Seattle Aquarium. As he was reaching several tentacles over its open top, an employee pushes him back in.

Aquarium officials say the octopus, named Ink, was not attempting to escape, but learning to explore his new home.

Once back inside the top was fastened to keep him inside.

Ink is one of two new giant Pacific octopuses on display at the aquarium.

Another octopus is being kept in separate tank at the aquarium because the species is solitary by nature. They have a shore lifespan of usually 3 - 4 year.

Next year, Ink will be released back into the wild as part of an ongoing education and conservation program for the species.


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Long-Term Considerations for a Successful Reef Tank

A lot of aquarists tell me that the most exciting part of a reef is setting it up and stocking the tank. For others, the excitement comes from watching the reef develop and change over time. A reef tank is certainly a long-term commitment. I often remember reading German articles, where they would describe a one year-old reef as a new system. There are certainly a lot of things that change within a reef aquarium over time. And what I'm discovering is that the habits and practices of the reef keeper have to change over time as well. This article is intended to address long-term concerns, and suggest steps a reefkeeper should consider taking with a reef aquarium that he/she intends to keep for many years.

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Step by Step Reef Aquarium Setup

If you've ever dreamed of having a spectacular reef aquarium in your home, but think you lack the time, funds, or knowledge required, think again! Creating a beautiful reef ecosystem does not have to be complicated. The following five easy steps will help simplify the process. In a period of just 12 weeks, you too can enjoy the colorful beauty of a home reef aquarium for many years.

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You Will No Longer Be Able to Feed the Dolphins at SeaWorld Orlando - A New Program, Starting in March, Will Allow You to Only Touch and Interact With the Dolphins

You will no longer be able to feed the dolphins at SeaWorld Orlando. A new program, starting in March, will allow you to only touch and interact with the dolphins.

The new program starting on March 2, will cost $15, and will be a reservation-only package, that allows small groups to spend several minutes touching and interacting with dolphins but not feeding them.

"Dolphin Cove will continue to provide areas where all guests are able to view dolphins up close, and interact with animals that choose to interact with them," said spokeswoman Becca Bides in an emailed statement on Tuesday.

Conservationists hailed the move as an incremental improvement in the treatment of captive marine mammals, saying the feeding pools are dangerous.

"It’s out of date, out of style and it’s full of risk," said Courtney Vail, campaign and program manager for the Whale and Dolphin Conservation Society.

Vail said dolphins have been harmed in large feeding programs fighting over food and by guests dropping objects into the pools, not washing their hands and touching the dolphins’ eyes or blowholes. Guests occasionally are bitten, she said.

Vail said feeding programs encourage people to feed dolphins in the wild, leading to dolphin-boat collisions and teaching dolphins to beg rather than forage.

Vail said most aquariums other than SeaWorld ended feeding programs years ago.

Feeding of dolphins will remain a part of SeaWorld’s sister park in Orlando, Discovery Cove, where a limited number of guests touch, feed and swim with dolphins.

SeaWorld San Diego ended its large group feeding program in 2012, followed by the San Antonio park in 2013, according to Bides. Those parks still allow guests in small group interaction programs to feed dolphins.

Attendance at SeaWorld Orlando park took a hit after a 2013 documentary focused on its captive killer whale program, and in particular on Tilikum, formerly a performing a killer whale that drowned trainer Dawn Brancheau.

Her death led a federal administrative judge to order the theme park to maintain barriers between trainers and the whales.

In August, the company announced a planned expansion of the whale pools, and a $10 million contribution to killer whale research.

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Shedd Aquarium's New Otter Pup Is The Sweetest Thing Ever

The Shedd Aquarium welcome their newest resident : an orphaned southern sea otter pup. Watch as she arrives at Shedd and gets to know her new family! Isn’t this the cutest thing you’ve seen all day?



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Watch: Drones Monitor Killer Whales For First Time

For the first time, researchers are using unmanned drones to study killer whales in their natural habitat.

The Vancouver Aquarium, and National Oceanic and Atmospheric Administration Fisheries are trying to figure out how killer whales without enough food to eat are surviving.

To read more on this story, click here: Watch: Drones Monitor Killer Whales For First Time

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How to Raise a Piranha

Piranhas can make interesting pets with their full sets of sharp teeth and their fast and furious attack skills. Keeping piranhas is a bigger commitment than keeping other fish as pets -- they require lots of space, and they can live more than 20 years in captivity. Meanwhile, their food and water temperature needs are rather simple to accommodate.

Room to Move
Piranhas can seem cute when they're small and hiding among tank decorations much of the day, but they don't stay small. Depending on the species, adult piranha can be 12 to 16 inches long.

They come from river environments and live best in large tanks -- a 100-gallon tank suits a single adult piranha; add 20 gallons for each additional piranha. Red-bellied piranhas tend to school in the wild, so you can likely keep a few in the same tank, although they might attack each other at some point. If you're keeping a black piranha as a pet, house him alone -- he's just as likely to eat another piranha as the dinner you provide him.

Ringing the Dinner Bell
Piranhas aren't strictly carnivores, although meat is definitely their meal of choice. If you have aquatic plants in your tank, you might see your fish take a few bites here and there. They also eat fish pellets and flakes occasionally, and they can benefit from the vitamin boost these foods provide. But for most of their meals, plan on feeding protein such as krill, mealworms, earthworms or feeder fish. Unless you raise your own under controlled conditions, thaw frozen versions of these foods or buy live ones from reputable fish food suppliers. Avoid grabbing insects and worms from your yard -- they might have ingested chemicals such as pesticides and herbicides, which they can transfer to your piranha.

Juvenile fish need to be fed up to four times per day, while sub-adults usually need food about twice a day. Feed mature adults about once every two days.

Home Sweet Tank
Piranhas can survive in a variety of tank conditions, but they prefer a water temperature of between 78 and 82 degrees Fahrenheit and a sandy substrate. Juveniles are especially fond of aquatic plants. In the wild, they spend much of their time hiding from predators until they reach their adult sizes. However, adults enjoy swimming among the plants as well. They also like large pieces of driftwood that offer secluded places to rest.

Keeping It on the Up and Up
Before buying a piranha for a pet, check with your local and state regulations. Many states ban piranhas because people sometimes release them into the wild; introducing non-native species can wreak havoc on your local environment. Non-native species can compete with indigenous ones for food, sometimes endangering the other species' survival. Also, state governments often don't want to risk local fisherman catching piranhas unexpectedly and potentially becoming injured. Even if you have no intention of releasing a pet piranha, always follow local regulations.

Safety First
Owning a piranha means taking a few precautions to ensure he doesn't decide your hand looks tasty for dinner. Even small, a piranha has razor-sharp teeth that can easily bite through your skin; as an adult, he can bite through bone to remove entire fingers. To prevent injury to yourself, never dip your hand in the water to feed a piranha. Also, don't place a hand with a wound, even a small scratch, in or near the top of the water -- the blood might attract the piranha, who swims powerfully enough to jump out of the water.

Clean the tank with long tools instead of putting your arm inside, and use a net to catch your fish when it's necessary to move him. He can bite through the net, so don't stabilize him with your hand. Instead, hold a second net under the first to catch the fish if he bites a hole in the first net and falls through.

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Beluga Whale In Aquarium Teases Kids In An Incredibly Human Way [Video]

A video showing a Beluga whale trying to scare kids visiting an aquarium is going viral as we file this story. The video captured by YouTube user Michelle Cotton shows two kids watching over the Beluga whales through the thick glass walls of the aquarium.

While everything looks normal for the first few seconds of the video, the really interesting part starts at the 46 second mark when one of the Beluga whales sticks his forehead to the glass- making the children laugh. A few seconds later, the whale is seen opening its mouth in a scary manner – in an attempt to mock the kids and scare them. It really does look quite scary as the whale sports a terrorizing look on its usually serene face.

The most incredible part comes at the 1:03 second mark where the Beluga Whale turns back and then scares the kids again – similar to what many humans would do. In fact, it is at that moment in the video that you would probably realize how intelligent these marine mammals are. Following this, the whale tilts its head as to curiously study the strange little creatures it sees through the glass. Enjoying the attention it is getting from the kid audience, the Beluga whale continues to do what it had been doing much to the joy of the kids before moving away.

Beluga Whales are related to dolphins and killer whales and like the aforementioned species, are known to be highly intelligent animals. Like dolphins, Beluga whales are also known to be friendly to humans. This has been once again demonstrated by folks from over at Explore.org who have this year installed underwater cameras on the bow of a boat named Zodiac to study visiting Beluga whales – in real time in the Churchill river. Beluga whales are known to swim upstream in the river during this time of the year, says a report by CBC News Canada.

According to Charles Annenberg Weingarten, the founder of Explore.org;

“They’re curious and they’re somewhat uninhibited in a way, and friendly, and so when they hear the boats they have a tendency to swing closer.”

Unfortunately, this also makes them susceptible to hunters. Around 1500 Beluga whales are killed each year in Northern America alone. The species is however not endangered.

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Huge Goldfish Invade Lake Tahoe

Goldfish the size of canned hams are turning up in Lake Tahoe on the California-Nevada border.

A group of researchers from the University of Nevada at Reno discovered and documented the oversized fish, including one 18-inches long. Others had apparently spotted the fish in the waters of Lake Tahoe, but Christine Ngai and fellow researchers were the first to document their existence.

Ngai told KCRA.com, "You just see this bright golden orange thing starting to float up, and you’re like, what is that? And then you take a net and you scoop it up, and you’re like, it’s a goldfish."

Experts believe that people dumping the contents of their aquariums into the lake is to blame for the problem. And it is a real problem. Researchers believe the large fish, which aren't native to the lake, could have a significant ecological impact, including creating a food shortage for native trout. Also a worry, according to Dr. Sudeep Chandra of the University of Nevada, is the goldfish's tendency to spur algae growth in a lake known for being crystal clear.

When Ngai and her colleagues examined the fish, they found that some were pregnant, meaning the problem is likely to get worse.

This isn't the first case of abnormally large goldfish showing up in a strange spot. In 2010, a fisherman in France reeled in a goldfish the size of a large dog.

Video:

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Goldfish - One Of The Most Common Type Of Pets In The World

Did you know that the goldfish are one of the  most common type of pets in the world? They were one of the first fish species to be kept in ponds by humans. By nature, goldfish are social creatures and prefer to live with other goldfish.

Many people think that goldfish are pets for someone who doesn't have much time for pet care. The lifespan of your goldfish depend upon how much care you provide goldfish.  If  cared for properly your goldfish could live for many years!

Goldfish start off small, but grow to be quite large, sometimes even a foot long, if you take good care of them. First time goldfish keepers usually buy a small tank or bowl to house their goldfish, only to discover that they need to keep buying ever-larger replacement tanks. You should buy a large enough tank at the beginning. You should provide a 20 to 30 gallon tank for your fish. Then add at least 10 gallons to that volume for each additional goldfish you might add. They grow large, excrete a lot of waste and need room to swim in order to be happy!

Food:    Goldfish like a diet of flakes, pellets, wafers and sticks

Goldfish Facts:
Do goldfish have ears? They have internal ear bones called an otolith that can feel vibrations. Avoid tapping on the glass since it will stress or even kill them.

A goldfish can survive in an outdoor pond where water temperatures dip down below 40*F (5*C). Some ponds might even freeze over during the winter and the goldfish still survive through to the spring.

      Exterior Parts of A Goldfish

                         

Goldfish Synchronized Swimming



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