Sea Trout Brown Trout Difference

They are the same species but with different life strategies and telling them apart is not as easy as you might think.
Sea trout brown trout difference. Figure 25 Proportional distribution of sea and brown trout at sub-catchment level from Gray. 02072020 There are anadromous brown trout species often called sea trout in tributaries of both the Pacific and Atlantic coasts of North America. Freshwater resident brown trout adopt a wide range of life histories.
The Sea Trout is genetically very similar to the Brown Trout but lives normally in the sea only coming into fresh water to spawn which is generally when fisherman catch them. The scale count between adipose fin and lateral fin is higher in salmons than in sea trouts. This diet keeps them the brown colour.
The sea trout Salmo trutta morpha trutta shows anadromous. Salmons are easy to handle while sea trouts tend to slip through the hands. You can read the article here.
Salmon parr I can normally be distinguished from young brownsea trout II by the more streamlined shape deeply forked tail longer pectoral fin lack of orange on the adipose fin smaller mouth sharper snout only 1-4 spots on gill cover often one large spot well-defined parr marks. Sea trout has an orange colour spot on the adipose fin but not in salmons. Brook Trout have splotches and spots all over their tails.
Still cant tell what youre holding. On the west coast of the United States there is a sea run form of rainbow trout called steelhead which usually returns after two to three years at sea. It is now generally accepted that sea trout and brown trout are the same species Salmo trutta.
Thats at least part of the reason that there are sea trout in the river in the first place the river cant support that biomass so the sea trout and the salmon do their growing in the sea. Trout can be split into those that remain in fresh water as brown trout and those that become sea trout. They also have white edging along their lower fins as well as the bottom of their tail.