What are the characteristics of sharks to distinguish fish from each other?
| June 15, 2021 | education
Sharks can be distinguished from other fish in several ways.
First, sharks lack a swim bladder.
Second, sharks have several rows of teeth.
Third, there are no gill covers.
Fourth, sharks have an elongated snout.
The fifth difference is the scales, which are very different from other fish. Sharks have placoid scales.
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