4 ms·

Humans can't digest cellulose. We call it instead dietary fiber, and it's important for our health. Not sure if this shark is actually directly digesting the c

• pvaldes 8y ago
  > Regularly consuming plant material for nutrition seems like enough of a bar to render the shark an omnivore. Not if forced artificially to do so. Keeping its health after consuming plant material would be a necessary step. There is a reason for giving a shark a diet composed in a 90% of plants and is the same for having vegan dog food. Is a lot cheaper. As animal protein is expensive, we are in a rush for feeding captive carnivores as many plant protein as possible without killing them. You need to tag the animal as "but is an omnivore so this is fine" first. I had keep a lot of fishes and know when a fish is starving or not having enough food. They turn like tadpoles: big head in a small skinny body. The fish shown in the photo has this symptoms. Either is a very young fish or is sacrifying its own muscle just to survive.