About This Fish

Sea Trout


The sea trout (Salmo tutra) is a ray finned fish which belongs to the family Salmonidae under Order Salmoniformes of Class Actinopterygii. It is found in Atlantic coasts of Europe, Barents Sea, Baltic Sea, Black Sea, Sea of Azov, Caspian and Aral Sea. The sea trout is an elongated and rounded fish. Back is green or brown, sides are silvery and belly is white. Black spots are present on back, flanks and head. Red spots with light edges are also present on the body. Head is small and pointed with large mouth which extends mostly after the eye and has well developed teeth.



The sea trout's body is covered with small scales. Dorsal fin consists of 3-4 spines and 10-15 soft rays while anal fin contains 3-4 spines and 9-14 soft rays. Pelvic fin bears 1 spine and 8 rays and its base are positioned below latter half of dorsal fin. Caudal fin is shallowly forked with 18-19 rays. The fatty adipose fin is present between the dorsal and caudal fin with red margin. The relatively indistinct and straight lateral line is present which contains 118-130 scales longitudinally and 13-16 scales are present obliquely from adipose fin to lateral line. Caudal peduncle is thick and rounded. It feeds on crustaceans, mollusks and small fishes such as herring, sprat, sand-eels and smelt while juvenile feeds mainly on aquatic and terrestrial insects. The young develops in fresh water until reaching a length of 15-25 cm and then migrates to the sea. After spending 0.5-5 years in salt water, the sea trout begins yearly breeding migrations back into fresh water. It reaches sexual maturity at the age of 3-4 years. Sea trout migrate from the sea into rivers to spawn during the period between July and November. Female lays about 10,000 eggs per batch. It grows up to 140 cm in length and 50 kg in weight. It can live up to 38 years.


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Location Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Solomon Islands
South Carolina