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) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Galeus: galeos, a small shark or dogfish according to Aristotle and others. (See ETYFish); gracilis: Latin for thin or slender, referring to its firm, slender body. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海魚; 深さの範囲 290 - 470 m (Ref. 11146). Tropical; 10°S - 28°S
Indo-West Pacific: northern Australia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 34.0 cm TL オス/雌雄の選別がない; (Ref. 11146)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 肛門の骨: 0. Bold saddle markings on body and precaudal tail, but without dark markings on the terminal and hypural caudal-fin lobes (Ref. 11146).
A rare, little-known bottom-dwelling catshark found on the uppermost continental slopes (Ref. 11146). Mode of reproduction unknown (Ref. 11146).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Compagno, L.J.V. and V.H. Niem, 1998. Scyliorhinidae. Catsharks. p. 1279-1292. In K.E. Carpenter and V.H. Niem (eds.) FAO Identification Guide for Fishery Purposes. The Living Marine Resources of the Western Central Pacific. FAO, Rome. (Ref. 11146)
Human uses
水産業: 興味がない
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): 10 - 13.1, mean 11.8 °C (based on 11 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.9 ±0.2 se; based on size and trophs of closest relatives
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): Low vulnerability (24 of 100).
