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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.
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.
Q&A Related to "Fish Characteristics?"
Fish are ectothermic, they are aquatic, and they are vertebrates. Their skin is covered with scales, and their limbs are made for swimming.
http://answers.ask.com/Science/Biology/what_are_th...
Like mammals using their lungs to take in oxygen on land, a fish uses its gills to ingest dissolved oxygen from the water and expel carbon dioxide afterward. The gills of vertebrates
http://www.ehow.com/info_8786335_characteristics-f...
The characteristic's of a fish are. They all have gills. They all are aquatic vertebrate's which means they have a backbone.
http://wiki.answers.com/Q/What_are_characteristics...
Some basic characteristics of fish in general are gills, a swim
http://www.chacha.com/question/what-are-the-basics...
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Explore this Topic
The most important characteristics of all fish, whether they are a great white shark or your pet goldfish, include that they are born with an automatic understanding ...
One of the characteristics of a bony fish is the bony skeleton. The second is that they have a swim bladder, which is a gas-filled sac that helps them maintain ...
most fishes have gills. ...
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