Pufferpunk
Aquarium Advice FINatic
Tetradon schoutedeni is a strictly FW puffer. The T nigroviridis is the GSP. T biocellatus can be acclimated to SW, but do best in low-end BW, 1.005-8.
If they are truly BW puffers, it would be best to slowly acclimate them back to BW. GSPs actually prefer SW as adults.
There have been several occassions where customers would bring in their puffers to us fully acclimated to saltwater SG of 1.023. We'd have no choice but to place them in a saltwater aquarium.
If they are truly BW puffers, it would be best to slowly acclimate them back to BW. GSPs actually prefer SW as adults.