Are Rainbow Trout and Steelhead the same?
Steelhead and Rainbow trout are the same species, but have different lifestyles.  Steelhead spend part of their lives in the sea before going up river to breed, while rainbow trout spend their lives in freshwater.
A Truta Arco-íris e o Cabeça de Aço são a mesma coisa?
A truta-de-cabeça de aço e a truta-de-arco-íris são da mesma espécie, mas têm estilos de vida diferentes.