Salmo trutta

Salmo trutta
Brown Trout – Salmo trutta
FamilyScientific NameAuthorYearCommon Name
SalmonidaeSalmo truttaLinnaeus1758Brown Trout

Salmo trutta

Unique Characters: Large dark spots on head and upper body including dorsal fin; no spots on caudal fin. Red spots on the sides sometimes ringed with a pale “halo”. Anterior edge of the anal fin is white. Adipose fin yellow, not edged with black.

Similar Species:

Rainbow Trout
Oncorhynchus mykiss

Brook Trout
Salvelinus fontinalis

Oncorhynchus mykiss
Rainbow Trout- Oncorhynchus mykiss

Rainbow Trout Oncorhynchus mykiss. Small, dark spots on head, body, and most fins. Pinkish to red stripe on the sides. Adipose fin black-edged.

Brook Trout Salvelinus fontinalis. Light spots on body, worm-like markings on the back, and pectoral, pelvic, and anal fins have a white edge.