Stellar stumble (Platichthys stellatus)

Starry stumble (Platichthys stellatus) Pacific or river — — among the most commonly distributed in the Northern Pacific sea species of flatfish that is found all over in the Japan, Okhotsk as well as Bering seas from the coasts of Korea to the Anadyr Gulf. The device penetrates right into the Chukchi sea. On the American shore noted to the South all the way to California. Body high, usually left-sided, densely covered(instead of ranges)spiny stellate plates (therefore the name).

The pigmentation of the eye side is brownish or dark olive, blind — white. On the dorsal as well as rectal fins intense black bands, popular on both sides of the body. D 52-68; A 36-51; P 11; GR 12-13; Vert.34-35. Demersal fish of a plus size. In some locations gets to a length of 91 centimeters — and also weight of 9.1 kg In the waters of Primorye her restrictions are smaller: length 54 cm, weight 3 kg. catches tend to be dominated by individuals with a length of 30 to 45 cm and also a mass of 0.5-1.0 kg.

By the nature of the habitat stellar flounder shallow — water types, endure significant variations in salinity (from fresh water to 34 ‰)and also water temperature level( from -1.8 to 20.0 ° C ). Discovered near the shore, in harbors, bays, mouths of rivers. In summer season it is at depths of 10-75 m, winter months leaves on depths of 50-100 m. there are cases of her gos to as well as capture in the rivers of Primorye, particularly, in the Razdolnaya river.

The spawning occurring in shallow midsts, typically under ice at a temperature level of lower waters from -0.4 V to 1.3 ° C, extended from March to June. Fertility to 2.9 million eggs. The eggs are small, pelagic. Starry flounder eats worms, bivalves, shellfishes, echinoderms, fish fry. Marine brackish water varieties in temperate and Arctic latitudes, prevalent in the Northern part of the Pacific sea. Off the coastline of Primorye discovered everywhere, yet generally in tiny amounts.

Environment starry stumble is huge: it covers the coastal waters of Asia as well as North America completely from South Korea to the Chukchi sea and then South to California. Is a permanent part of the catch of flatfish, particularly when trawling at superficial midsts, nonetheless, a substantial duty because of the small number of plays. To the hall. Peter the Great earlier it represented less than 1%of the overall catch of flatfish, just recently — 1,2-3%.

In the North of Primorye, where the fishery for flatfish is badly created, it is likewise located in percentages, generally as by-catch to various other species, as well as its share is 0.7 %. Has good food high quality. Utilized in fresh — and icy kinds. Despite the significant area of the geographical distribution as well as ubiquitous event in a lot of parts of the stellar go to pieces plenty of and also just in Western Kamchatka, South-Eastern Sakhalin as well as in the Western component of the Bering sea and the Pacific coastline of Canada, it is rather considerable by-catch of other varieties of flatfish. Eyes stellar go to pieces, usually located on the left side of the body(right-hand samplings are very uncommon). Ranges no.

Ocular side of the body is dark olive or brownish, covered with big spiny stellate plates; blind — white. On paired fins with both sides brilliant black bands. Lots of researchers attribute the environment of stellar go to pieces from tidewaters of rivers, superficial bays and also lagoons, i.e. with a highly freshened seaside waters, although there are cases of catching at depths of 250-300 m. And yet, with optimum catches of this stumble all over typically observed in most of the seaside zone. The length of stellar stumble in Asian waters reaches 58 centimeters, weight — 3 kg and also a life span of — approximately 20 years. From coastal waters of California is understood for its samplings larger than 90 cm as well as 9 kg.

As adheres to from the second Russian title — Pacific river — this fish can get in rivers and also climb up to a distance of 140-150 kilometres from the mouth. The stellar go to pieces spawning happens, generally, near the shore in might and also very early June, promptly after the melting of the ice usually at low temperature levels of water. Fecundity arrays from 532 to 2490 thousand eggs with a diameter of about 1 mm. swept away the eggs develop in the water column, and after a particular time out of her hatch larvae, whose eyes, like all various other fish, are put on the sides of the head.

However, when you reach a length of — 15-20 mm larvae — clear up to the base and also undertake metamorphosis, during which their eyes are moving to the left side of the body. Stellar go to pieces is identified by a vast food range. Its fry feeds mostly numerous crustaceans, extensively making use of as a feeding-varasteh tanks estuarine sections of rivers.

Specimens larger than 30 cm pass to feeding bivalves as well as little fish(capelin, sand eel ), without overlooking food scraps and also wastes of fish processing have been considered, yet because the structure of their food can be an excellent sign of the level of contamination of domestic and industrial effluents estuarine areas of the rivers.

Presently supplies stellar go to pieces widely underutilized. It is removed primarily as a by-catch while fishing for other types of flatfish. According to experts of fisheries monitoring establishments, the modern catch of stellar go to pieces in particular locations(the bays of northeastern Sakhalin island and also Eastern Kamchatka, Kamchatka waters of the Okhotsk sea )can be enhanced by 2-3 times.

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