分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (sharks and rays)
(Sleeper and dogfish sharks) > Somniosidae
Etymology: Centroscymnus: Greek, kentron = sting + Greek, skymnos, -ou = pup, puppy (Ref. 45335); owstonii: Named for Alan Owston (1853-1915) a business- and yachtsman from England, who collected Asian wildlife, particularly in the early twentieth century (cited in Ref. 112350). More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
; 海 深海魚; 深さの範囲 100 - 1500 m (Ref. 26346). Deep-water; 33°N - 38°S, 52°W - 30°E
Atlantic, Pacific and Indian oceans. Western Indian Ocean: from off the Seychelles to the Madagascar Ridge and South Africa. Eastern Indian Ocean off Indonesia and southwestern Australia. Southwestern Pacific: off Australia, New Caledonia and New Zealand. Northwestern Pacific: off Japan and from the Hawaiian-Emperor seamount chain. Southeastern Pacific: west of Chile. Southwestern Atlantic: off French Guiana, Brazil, and Uruguay. Northwestern Atlantic: Gulf of Mexico. Eastern Atlantic: from off the Azores in the North to off South Africa in the south.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm ?, range 100 - 104 cm
Max length : 121 cm TL オス/雌雄の選別がない; (Ref. 26346)
肛門の骨 0; 臀鰭: 0. Dark brown or black in color, dorsal fins with extreme tips of fin spines protruding from the fins, moderately long snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, fairly stocky body that does not taper abruptly from pectoral region, large lateral trunk denticles with mostly smooth, circular, cuspidate and acuspidate crowns in adults and subadults (Ref. 247).
Found on upper continental slopes, on or near the bottom (Ref. 247). Feeds on fish and cephalopods (Ref. 6871). Ovoviviparous (Ref. 205), with 16- 28 young born at 27-30 cm (Ref. 26346). Caught in trawls or longlines set at depths greater than 400 m (Ref. 55584). Flesh is high in mercury (Ref. 6871). Utilized as fishmeal and source of squalene (liver oil) (Ref. 6871). Maximum depth from Ref. 55584.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Ovoviviparous (Ref. 6871). 16- 28 young born at 27-30 cm (Ref. 26346). Distinct pairing with embrace (Ref. 205).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
CITES (Ref. 123416)
Poisonous to eat (Ref. 6871)
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
Estimates based on models
Preferred temperature (Ref. 115969
): 4.9 - 10.9, mean 6.4 °C (based on 66 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00178 - 0.00889), b=3.17 (2.97 - 3.37), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
栄養段階 (Ref. 69278
): 4.5 ±0.62 se; based on food items.
回復力 (Ref. 120179
): 低い, ４．５年～１４年の倍増期間の最小個体群 (Fec=16-28).
弱み (Ref. 59153
): High vulnerability (64 of 100) .