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sharks - have rows of teeth, no scales, can't stop swimming & can't swim backwards, need constant water flow over gills, cartilage - no bone, oily liver instead of a swim bladder, can sense electricity (ex:heart beat) & vibrations in water, gill slits - no gill cover, eggs fertilized inside females body.
fish - 1 set of teeth or none at all, can hover & swim backwards, most are bony, swim bladder, can't sense electricity, covered gill slits, eggs usually fertilized in water.
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What is the difference between sharks and other kinds of fish how do they know that sharks are sharks and not other kinds of fish?
They just know......
What is the difference between a shark and a fish anatomy?
One difference is that fish are bony. Sharks have a skeleton made of cartilage (like in your nose or kneecap). Sharks have five to seven gill slits, while fish only have one. Fish have swim bladders for bouyancy, sharks do not.
What is the difference between Sharks and Dolphins?
Sharks are cold-blooded, and are a species of fish; Dolphins are warm-blooded, and are mammals.
Difference between bony and cartilagenous fish?
Some sharks have bones like us however some sharks have bones that are made out of cartilage.
What is the difference between a cat and a shark?
Cats are mammals and sharks is a fish. One lives in land the other in water.
What is the similarities between sharks and fish?
both fish
What is the difference between a dolphin and a shark?
A shark is considered a fish. A dolphin is a mammal. While both may be considered aquatic with living in water, both are different in that respect. The mammals breathe air and produce milk for their offspring.
What is the difference between octopus and shark?
Octopi are cephalopod molluscs, have 8 legs and are often depicted squirting ink when they get cranky. Sharks are fish.
What is the difference between an alligator and iguana?
Some differences between alligators and sharks are:Sharks are fish and alligators are repriles.Alligators have legs and sharks do not.Sharks live in oceans and alligators live on land/water.Sharks have gills and alligators have lungs.
What is the difference between fish farming and fishing?
what is the difference between fish farming and a fishing
What is the differ between sharks and whales?
The major difference is whale sharks are huge. They're around 30 feet long on average and the largest specimen found was around 40 feet long. Also whale sharks are filter feeders, as in they only eat plankton and krill. They're harmless and divers can easily swim beside them or even hold on to them.
Are tiger sharks fish?
no tiger sharks are fish but r sharks
