_Cyberostrich_

_Cyberostrich_ t1_ivagxr6 wrote

It was originally a genetic mutation and now some fish are bred like this because people think it looks cool

Unfortunately it makes the fish’s life a lot harder, swimming is more challenging, and if one of the sacks gets damaged they can get nasty infections, also the sacks can cause the fish to get sucked into filters apparently

Pretty much the fish version of a pug

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