The tank is only a 55gal. They have been together maybe a year and the wolf is about 8". The BGK is 12", afer 5", and the bichir 8".
Ery.Sp. Peu is the smallest one right at 8 inches right? whats the difference between ery. ery. rainbow and erry. ery. hifin?jelly;1234058; said:This is the problem with common names, They get applied to many fish.
As I understand it they are different fish.
Rainbow applied to both Ery. Sp. Peru and Ery. Ery.
and Hifin to Ery. Ery.