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) >
Squaliformes (Sleeper and dogfish sharks) >
Centrophoridae (Gulper sharks)
Etymology: Deania: -ia (Gr.), belonging to: American ichthyologist Bashford Dean (1867-1928), American Museum of Natural History, for his research on selachian fishes. (See ETYFish); quadrispinosa: quadri-, from quattuor (L.), four; spinosa (L.), thorny, referring to four-spined dermal denticles. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海魚; 深さの範囲 150 - 1360 m (Ref. 44037), usually 400 - 820 m (Ref. 6871). Deep-water; 9°S - 54°S, 12°E - 172°W (Ref. 54349)
Southeast Atlantic: off Namibia and off Algoa Bay, South Africa. Indo-West Pacific: off southern Mozambique and Natal, South Africa; Australia and New Zealand (Ref. 6871).
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm ?, range 110 - ? cm
Max length : 115 cm TL オス/雌雄の選別がない; (Ref. 6871)
背面の脊椎 (合計) : 2; 肛門の骨: 0. Extremely long snout, grooved dorsal fin spines, compressed cutting teeth in both jaws, moderately large, pitchfork-shaped denticles, no subcaudal keel on underside of caudal peduncle, first dorsal fin short and high (Ref. 247). Dark brown, grey, or black in color; juveniles with a dark blotch on each dorsal fin (Ref. 26346).
A rare (Ref. 26346) and little-known species found on outer continental shelves and upper slopes (Ref. 247). Feeds on bony fishes (Ref. 247). Ovoviviparous (Ref. 50449).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 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)
Human uses
水産業: 少数商業の
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 5.5 - 12.3, mean 8.2 °C (based on 236 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00121 - 0.00572), b=3.18 (2.99 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 4.5 ±0.80 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 assumed to be <100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (69 of 100).
