So i dunno if someone has any idea on what is wrong with him.. My other puffer seams just fine and now i have to be careful when i feed them cuz when i feed them bloodworm , both eat it , but with shrimp , my "healty" puffer is very good at bitting it from the surface and eating it , but my "maybe sick" puffer cant get the shrimp hehe until the other one sinks some , then he eats...
So i hope u have an answer for my question or solution , and any advice is welcome...
(Tank 20G , 2 cascade filters 30G and 20G , plants , and salt level at 1.005, Diet: bloodworms and dried shrimp, Size: bout an inch both f8 puffers)