Fin-nipping fish

16 species have the fin-nipper flag set.

Nipping is mostly a group-size and layout problem. Six tiger barbs in a 100L with real swim length keep their teeth on each other. Two of them in a 60L with a betta will denude the betta in a week. Stock the proper group of one species and stay away from long-finned tank mates: bettas, fancy guppies, angelfish, anything with veil fins.

Nipping is usually fixable by the keeper, not the fish. Run the recommended group of one species, give them swim length rather than just height, and skip the long-finned tank mates entirely (bettas, fancy guppies, angelfish, anything with veil fins). A tiger barb in a school of eight in 100L of swim space is almost a different fish from the same tiger barb alone in a 60L.

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