But fewer people are aware of their very distant relatives — a type of bony fish called the rainbow shark. Unlike their larger counterparts, rainbow sharks are actually small freshwater fish ...

Researchers at UC Santa Cruz created a successful experimental aquaculture feed formulation for rainbow trout that fully replaces traditional fishmeal ingredients sourced from wild-caught fish with ...

All steelhead start life as rainbow trout, but not all rainbow trout will become steelhead. Confused? You’re not alone.

The role of fish in the diet Regularly incorporating fish into ... While cod and salmon are popular choices, rainbow trout ...