| English | Spanish |
| African brown snapper | pargo marrón africano (Lutjanus dentatus) |
| brown algae | alga parda |
| brown bullhead | coto pardo (Ameiurus nebulosus, Ictalurus nebulosus) |
| brown cat shark | tiburón gato marrón (Apristurus brunneus) |
| brown comber | merillo (Serranus hepatus (Linnaeus)) |
| brown meagre | corvallo (Corvina nigra, Sciaena umbra (Linnaeus,1758)) |
| brown ray | levirraya (Raja miraletus) |
| brown ray | raya de espejos (Raja miraletus) |
| brown shrimp | quisquilla (Crangon crangon, crangon vulgaris, Macrobrachium carcinus, penaeus aztecous, Panaeus canaliculatus, Penaeus californiensis) |
| brown-stripe red snapper | pargo bitilla (Lutjanus vitta) |
| brown-stripe snapper | pargo bitilla (Lutjanus vitta) |
| brown trout | trucha marina (Salmo trutta, Salmo trutta trutta, Trutta marina) |
| brown trout | trucha marisca (Salmo trutta, Salmo trutta trutta, Trutta marina) |
| brown trout | trucha de río (Salmo trutta fario, Trutta fluviatilis) |
| brown trout | trucha de mar (Salmo trutta, Salmo trutta trutta, Trutta marina) |
| brown trout | trucha (Salmo trutta, Salmo trutta trutta, Trutta marina) |
| brown trout | reo (Salmo trutta, Salmo trutta trutta, Trutta marina) |
| brown wrasse | merlo (Labrus merula (Linnaeus)) |
