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The seahorse is a fish |
Sometimes it is difficult to say what is and what is not fish. A seahorse doesn't look like a fish, but it is. And a dolphin looks like a fish, but is not.
How can you tell if an animal is a fish? Almost all fish have scales. Scales are small round or oval sheets of bone matter. They cover the body of the fish-
Almost all fish have fins. Fish generally have a fin on their back, one in the stomach, one very wide that serves as a tail and two on each side.
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Perch is a fish |
All fish have gills. They are cuts that are on the fish's head, behind the mouth. Fish breathe through gills.
Scales, fins, guts; the animal that has all these things is a fish.
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The eel is a fish |
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Truchas |
