Question

Do fish have kidneys?

Answer 1

Kidney:

1. The kidneys are a pair of bean-shaped organs on either side of your spine.
2. Kidneys are the primary excretory organ in fish.
3. Fishes certainly have kidneys, but they are not the same as those found in mammals.
4. The pronephros and mesonephros, or the first kidney, are formed in fish.
5. Fish kidneys are involved in a variety of excretory mechanisms, including osmoregulation, excretion, homeostasis, and a few others.