had 2 dwarf gourami 1 kept :butting: and chasing the other,Woke up this morning and the fish being harrased was dying Should i buy some more or, is this a terratorial thing , or what ,is this likely to happen again advice please
Male Dwarf Gourami are very territorial, unless you've got a very large tank this will happen again.
The male is establishing his breeding ground at this time of year. You should only have one matched pair (male/female) in a tank.