Do fish pee

Question

Please answer

Answer 1

From various sources:

• Like most living vertebrates, fishes do in fact pee. Fishes have two kidneys located above their swim bladder that filter waste from their blood.
• Fish pee just like humans do to excrete metabolic wastes. Some species produce a concentrated, somewhat yellow-hued urine
• The fish is breathing into the left side of the box through its gills, and releases faeces and urine through its vent into the right side.
• Since they live in water, most fish will pee a little bit almost constantly. 

Answer 2

I think they do but the urine is mixed with the turd ig (kinda like birds)

Answer 3

yes they do, they have a digestive system so they need a way to get rid of the waste from their bodies