Many brackish fish can be slowly transitioned to entirely fresh or entirely salt water. Aquarium Fish Sale brackish fish are maintained in LIGHT brackish conditions, the same conditions which our live bearers are kept, so most can be transitioned to all fresh water. However a pinch of salt never hurt anybody.
Scientific Name: Tetraodon biocellatus
Lifespan: 7 years
Max size: 4 inches
Food: Live feeders, frozen, flake