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Fish Characteristics?

Answer

The characteristics of fish include being ectothermic, with two chambered heart and a two chambered heart. They also have gills that are used for respiration, no external ear and no eye lids. Fish are known as aquatic vertebrates that have vertebral column called spine.
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3 Additional Answers
Ask.com Answer for: what are the characteristics of fish
Class Actinopterygii
Actinopterygians, or β€˜ray-finned fishes,’ are the largest and most successful group of fishes and make up half of all living vertebrates. More >>
Other Classes:
A fish is an aquatic animal that is identified by a number of unique features including the lateral line, ectothermic properties, two chambered heart and the use of gills for respiration. The fish does not also posses external ears or eyelids.
Some characteristics of fish: Their skin is covered in scales, they use gills to breathe, they use fins for swimming, they have an air bladder that keeps them afloat.
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