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Old 07-25-2016, 01:32 PM
Colibri Colibri is offline
SD Curator of Critters
Join Date: Oct 2000
Location: Panama
Posts: 38,224
Originally Posted by Leo Bloom View Post
Ok, now this might lead to a huge drift-->hijack (I don't want to abandon my sharks), but sharks are fish; I've heard about piranhas, I guess, but for the mild-mannered innumerable inoffensive guppies and their cousins, they need protein, no? Are those fish "herbivores" or what?
Most fish feed at least partly on animal matter (insects, small crustaceans, etc.). However, there are plenty of herbivorous fish, but of course plants contain protein and minerals as well, just in lower concentrations than in animals.