i still think the problem is in having the betta in a 10g with 3 other fish. adding plants and hiding spots to create territory and break up lines of sight could help, but it also comes down to having enough room in the first place.
__________________ 100g paludarium, 2 Julie Dickfeldi with more fry everyday; 3 ocellatus "gold"
20gL, empty (saltwater perhaps?) |