Aquarium Forum A forum devoted to aquarium fish, plants, techniques and fish keeping as a whole. en Help new flowerhorn owner<script language='JavaScript' type='text/javascript'> <!-- --> </script> I have a 13 inch flowerhorn and I have him in a 60 gallon tank. I always play with my fish and people sa;y not to but he seems so freindly and when I pick him up he is gentle and calm. Is it ok to pet him gently and try to buld a physical relationship. He seems to really want to. He is so big. Help any advice would be great. crissy91603 2008-10-04 Answer no. 1 by continually picking up the fish you are risking two things. This habit can stress fish, you also run the risk of passing on an infection to the fish from your hands mickey 2008-10-06