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Interesting Questions, Facts and Information
- There are a total of 110 general entries. We are selecting 30 for display.
Frequently Asked Questions & Answers
- There are 30 user-asked question matches ( goto )
Special Topics
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 Interesting Questions, Facts, and Information
 Fish
| Why is your fish doing the doggie paddle upside down? | How do You Know Your Fish are Sick? (ribooski) |
swim bladder disease. Swim bladder disease can be caused by a number of things. It is a becterial infection that may be a result of fighting, breeding, netting,transportation and poor water quality. Treat this ailment with an antibiotic in a clean shallow tank. Frequent water changes will help to speed up the healing process.
| Which two species of sharks have eyes that contain only rods and no cones? | General Shark Facts (Dark_Wolf666) |
blacktip reef shark & sixgill shark. These two sharks live in completely different habitats. The blacktip reef shark lives in very shallow, coastal, tropical water while the sixgill lives in deeper, temperate waters.
Color vision comes from the cones in the eye, and with no cones, the blacktip reef shark and the sixgill shark are colorblind.
| Which fish spends most of its life in the ocean, but returns to freshwater to spawn? | North American Fish (Morrigan716) |
Salmon. Salmon are common and widespread in Canada and the northern United States.
| Which fish often stalks other fish from beneath logs and other protected areas? | North American Fish (Morrigan716) |
Pike. The spoon-shaped lures that fishermen use to attract the larger pikes are believed to move and glitter like the living prey.
| Which fish is the largest when it has reached maturity? | Catch This Fish (ribooski) |
Batfish (Platax orbicularis). The batfish (Platax orbicularis) is a very large UFO-shaped fish.
| Which fish is most likely to escape from an open-topped tank? | Catch This Fish (ribooski) |
Snowflake moray (Echidna nebulosus). The snowflake moray (Echidna nebulosus) doesn't seem to like confined spaces.
| Which fish is best suited to living in a community tank? | Catch This Fish (ribooski) |
Angelfish (Pterophyllum scalare). The Angelfish (Pterophyllum scalare)is a carnivorous species that is well suited to community tanks due to thier docile behavior.
| Which chemical is used to treat hole in the head? | How do You Know Your Fish are Sick? (ribooski) |
Flagyl. Vitamin A and C supplements are also effective in treating this disease.
| Which aquarium resident was the first fish to get its entire genome mapped? | Freshwater Fish and Fishkeeping (hawgshoes) |
Zebra Danio. The Zebra Danio is widely studied to unravel vertebrate development. In a segment of "Scientific American Frontiers," actor Alan Alda visited a lab with 150,000 Zebra Danios to discuss the gene-sequencing project. Endler's Livebearer is a close relative of the familiar guppy.
| What species of shark do people encounter most often at Shark Rodeos in the Bahamas? | General Shark Facts (Dark_Wolf666) |
Caribbean reef shark. Because of shark rodeos, the Caribbean reef shark has become the most watched shark in the world.
Dive shop operators who take divers out to partake in shark feeding run a shark rodeo.
| What proportion of the cranial cavity does the brain of an adult Coelacanth occupy? | The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
1%. The brain is remarkably small in comparison to other fish of similar size. Research on unborn, juvenile pups has shown that their brains occupy almost all of the cranial cavity.
| What is the world's largest fish? | North American Fish (Morrigan716) |
Whale Shark. A whale shark can exceed 10 tons in weight.
| What is the nickname that JLB Smith gave to the Coelacanth?
| The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
old fourlegs. JLB Smith wrote a book entitled 'Old Fourlegs - The Story of the Coelacanth' about his fascination for this fish. Once the Coelacanth had been studied it was found that the pelvic and pectoral fins of the Coelacanth have an internal skeleton. It was generally thought that this fish had once used those tough, paddle-like fins to walk along the seabed out onto dry land. It was even suggested that this fish could have been a direct ancestor of man, but neither of these statements were ever proven and it is now widely accepted that this was not the case.
| What is the largest member of the salmon family in North America? | North American Fish (Morrigan716) |
Chinook. Source: Reader's Digest's North American Wildlife.
| What fish is not a game fish, but is often caught by stream trout fishermen? | Fun Fish Quiz (nwboarderdude1) |
Sucker. The sucker can get up to 25 inches long.
| What fish do North American fisherman target the most? | Fun Fish Quiz (nwboarderdude1) |
Black Bass. According to the magazine 'BassMasters', the Black Bass is what 65 percent of fisherman fish for.
| These noted hitchhikers take free rides on sharks or other marine animals? | North American Fish (Morrigan716) |
Remoras. A remora clings tightly to its host with the suction disk atop its head.
| These fish are blind and have an enhanced ability to detect vibration and odor? | North American Fish (Morrigan716) |
Cavefishes. Cavefishes are rarely seen in the wild, but visitors can see them in tanks at Kentucky's Mammoth Cave.
| The original 1938 Coelacanth specimen, found off the coast of South Africa, was around 1.50 m / 5 feet long and weighed approximately 60kg / 130 pounds. True or False? | The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
True. This was small by comparison to other Coelacanths which have since been caught. Some have been known to grow over 6 feet in length and weigh in excess of 200 pounds. The female is generally much larger than the male, but gender is very difficult to identify accurately purely by external observation.
| The JLB Smith Institute has been renamed and has the initials S.A.I.A.B. What do those initials stand for?
| The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
South African Institute for Aquatic Biodiversity. The Department of Ichthyology at Rhodes University was renamed The JLB Smith Institute of Ichthyology after Smith's death in 1968. It was decided to change it once again in 2001 to the South African Institute for Aquatic Biodiversity to reflect the work being done not only in the field of fishes, but also marine conservation in general.
| The electro-receptive device in the snout of the Coelacanth which is used to locate prey is known as which organ?
| The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
rostral. The rostral organ is a gel-filled gland and is thought to work in a similar manner to the ampullae of Lorenzini pores in sharks by picking up electrical charges emitted by other marine creatures.
| The eggs of the Coelacanth are the largest of all known fish. Roughly what is the size of each egg?
| The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
an orange. Each egg weighs approximately 320g and looks uncannily like a haggis.
| The branch of zoology concerned with the study of the natural history of fishes is known as what?
| The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
ichthyology. Entomology is the study of insects, ornithology is the study of birds and herpetology is the study of reptiles and amphibians.
| Name the most obvious difference between the two species of Coelacanth?
| The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
colour. Coelacanth Latimeria chalumnae is metallic blue in colour, whereas Coelacanth Latimeria menadoensis is brown. Both have lighter, random blotches which has been a useful method of identifying individuals as part of ongoing conservation studies.
| Most of this species of fish are hermaphroditic, having both male and female reproductive organs? | North American Fish (Morrigan716) |
Sea Basses. In some, a mature individual can produce eggs and sperm at the same time.
| Members of this fish family locate food by probing the bottom with sensitive, whiskerlike barbels? | North American Fish (Morrigan716) |
Catfishes. Catfish are important to sport and commercial fishermen.
| It was once thought that unborn Coelacanth pups ate their siblings and other eggs while still in the uterus before birth, but this has since been disproven.
Cannibalistic behaviour of this sort is known as oophagy. True or False?
| The Coelacanth aka 'The Living Fossil Fish' (*izzi*) |
True. More than twenty fully formed pups have been found inside one Coelacanth. Examination has revealed that no muscle fibre or flesh of any sort had been taken in as a food substance in the unborn pups, thus dispelling this belief.
| Is there a fish called a dolphin? | North American Fish (Morrigan716) |
yes . There are a mammal and a fish called a dolphin.
| Is there a cure for tuberculosis in fish? | How do You Know Your Fish are Sick? (ribooski) |
No. No. There is no known cure for TB in fish. It is believed that it can be transferred to humans through contact with the infected areas on the fish. Use plastic gloves when dealing with infected fish.
| Is fin rot the only reason your fish has torn, choppy, ragged fins? | How do You Know Your Fish are Sick? (ribooski) |
No. Your fish may not be ill at all. It may be getting picked by another member of the community. Be sure to pay attention to the behaviors of your fish or you may lose one due to an over aggressive fish.
| How would you best characterize Otocinclus, the miniature Loricariid catfish? | Freshwater Fish and Fishkeeping (hawgshoes) |
herbivore. A detritivore eats semi-decayed detritus: so, would a "dentivore" eat other fishes' teeth? A piscivore specializes in eating other fish. An omnivore eats a little of everything. Only a herbivore really describes the algae- eating vegetarian Otocinclus.
 Frequently Asked Questions about Fish
- Can fish drown? ( goto )
- Which fish is the most contrary fish in the ocean and why? ( goto )
- What is the difference between a Cray Fish and a Craw Fish? ( goto )
- Do fish drink water? ( goto )
- What is the scientific name for fish? ( goto )
- Can fish recognize colors? ( goto )
- Why are there no fish in the dead sea? ( goto )
- What is the smallest fish in the world? ( goto )
- What is the memory of a gold fish? ( goto )
- What is the largest fish in the sea? ( goto )
- Is it true that fish is good for the brain? ( goto )
- What is the study of fish called? ( goto )
- What is the world's fastest fish? ( goto )
- I'm very fond of fish and chips, but like freshwater fish, not sea fish. What is the biggest freshwater fish and where does it live? ( goto )
- What fish is considered to be the fastest species of fish over short distances? ( goto )
- What species of fish is known as "Redfish"? ( goto )
- How do fish go to sleep? ( goto )
- What is the origin of the term 'kettle of fish'? ( goto )
- In what river are tucunare fish found? ( goto )
- Is tuna classified as an oily fish? ( goto )
- Other than a fish, what is a tuna? ( goto )
- Does a fish ever get thirsty? ( goto )
- What is the young of a cod fish called?
( goto )
- What kind of fish are rare and tropical?
( goto )
- What is the only fish that swims upright? ( goto )
- What is the name given to young fish? ( goto )
- Which species of fish live the longest? ( goto )
- Shrimp is a popular seafood, but is it considered fish? ( goto )
- Which fish stalks other fish under logs and other protected areas? ( goto )
- Which fish and chip shop holds the title "the oldest fish and chip shop in the world?" ( goto )
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