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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Andriashevicottus: Because of Anatoly Petrovich Andriashev, Russian naturalist, 1910 + Greek, kottos = a fish without identificaction; megacephalus: From the Greek megas meaning large, and the Greek cephale meaning head, in reference to its large head..
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 100 - ? m (Ref. 41742). Boreal
Northwest Pacific: known only from the holotype taken from off Simushir Island, Kuril Islands.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 23.6 cm TL ذكر/ مختلط الجنس; (Ref. 41742)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 9; الأشعة الظهرية الناعمة (المجموع) : 20; أشعه شرجية لينه: 13; فقرات: 40. Head large; subopercle spines 4, upper one is largest, bent upward, forked; no spines and crests on occiput; scales on the head in dorsal view stretch forward along the interorbital space to the anterior margin of the eye; in lateral view, scales drop to the level of the lower posterior margin of the eye, the suborbital support and upper preopercular spine; body scales below the base of dorsal spine in the form of a band with irregular diagonal rows, in a row along the lateral line and in a spot under the pectoral fin behind the upper margin of its base. 2 nostrils; branchiostegal membranes united and free of isthmus; well developed pseudobranch; a small opening behind the 4th gill arch (Ref. 41742).
Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Fedorov, V.V., 1990. Andriashevicottus megacephalus gen. et sp. n. (Cottidae) from the coastal waters of the Kuril Islands. J. Ichthyol. 30(6):122-131. (Ref. 41742)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 0.8 - 3.6, mean 1.2 °C (based on 6 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
