If the damage is deep enough into the caidal p[eduncle, you may have a fish with a split tail. I had an arowana that had an incident as a juvenile and never grew proper finnage after that. Having said that, he healed otherwise just fine and became the terror he deserved to be in a 12' tank.
I'll join the chant - bigger tank. Soon. Maybe look at building a plywood setup?
/Kris
I'll join the chant - bigger tank. Soon. Maybe look at building a plywood setup?
/Kris