What are some characteristics of fish?

Answer 1

water
1. There are Jawless fish, Cartilaginous Fish, and Bony fish. An example of a Jawless is a Lamprey, a Cartilaginous a Shark, a Bony an everyday goldfish.

2. All fish are cold-blooded, which means they take the temperature in their surroundings, not being able to generate their own body heat.

3. Almost all fish lay eggs. Guppies, Mollies, Swordtails, Platys, and the American Native Mosquito Fish have eggs in the womb, but they hatch while inside the female. She soon gives birth to live young. A Grey Nurse Shark will give birth to live young, and sometimes some of her young may eat their siblings in her womb.