Fish pee just like humans do to excrete metabolic wastes. Some species produce a concentrated, somewhat yellow-hued urine that is quickly dispersed in their aquatic world. Besides water, fish pee is ...
All living things need water. It’s how life works on Earth. But do animals that swim in water drink water? I talked about that with my friend Nora Hickey. She’s a fish veterinarian at Washington State ...
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