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Are fish ectothermic or endothermic?

Question:

Are fish ectothermic or endothermic?

Ectotherms:

Ectotherms are animals that rely on their surroundings to warm their bodies. In hot areas or in summer, this is a great advantage as an ectotherm does not need to eat extra food to generate their own heat.

Answer and Explanation:

All fish are ectothermic, taking their heat from the water around them. This is why they tend to slow down and almost hibernate below the ice in...

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Ectotherms: Definition & Examples

from High School Biology: Homework Help Resource

Chapter 30 / Lesson 13
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