In Praise of the Sea Hare

[BlueAbyss]

Originally Posted by DiverDude

The one I had pooped white, clylindrical poop. I've heard that if they die in your tank (they usually starve if your tank is healthy) then they can release toxins. I don't know if they secrete them when frightened but it sounds like if what you're seeing is white, it's poop; if it's black or purple..... WATER CHANGE !

The toxin is meant to protect the animal from predation, so yeah it can be released when the animal is alive and kicking and not just when the creature dies. If it looks like poop, it's poop. If it looks like ink you're in trouble