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Fish of Kamchatka' rivers

Pacific noble salmons (Salmo)

Rainbow Trout

Rainbow TroutThis species is met in many rivers and lakes of Kamchatka. Its closest relative is American rainbow trout bred in farm ponds. Rainbow trout is a silver fish with multiple black spots scattered on the body and a bright pink lateral line. Its length is up to 65-90 cm; some specimens may grow 0.5-1.5 kg, and sometimes much more. Spawning takes place in spring: May or June.
This species prefers fast flow and is rarely met in calm reaches. Its favorable stocking places are breakage and separate logs Rainbow Troutdrawn by the fast flow as well as eroded riverbank sections. Some specimens stay in the holes under the breakage close to the flow.

Salmo penshinensis, steelhead

Physiology of this species is practically unstudied. It enters many rivers of western Kamchatka – from Bolshaya to Tiguil River. It is still unclear, whether steelhead salmon is a migrating form of the rainbow trout or these two are different (though close) species. Kamchatka steelhead salmon runs up the rivers in autumn; it stays in river holes throughout winter almost without feeding. Spawning takes place in early June. After laying eggs many specimens survive and return to the sea for feeding – steelhead salmon can shed eggs up to 5 times during lifetime. It may grow up to 96 cm6 the weight usually varies between 4 and 10 kg. The main external features include black round spots on the head and body, a strong caudal peduncle. The jaw of a spawned fish outgrows to form a “hook”, while the upper jaw is divided by a notch. A spawning fish is darker, than usual, coming into dark spots; a pink stripe appears on its sides – the rainbow trout has the same mating dress.

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