分類 / 名前
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) >
Triakidae (Houndsharks) > Triakinae
Etymology: Scylliogaleus: Etymology not explained, presumably a combination of Scyllium and galeus, i.e., a “galeid” shark with “nostrils as in Scyllium” (=Scyliorhinus, Scyliorhinidae) (See ETYFish); quecketti: In honor of London-born conchologist John Frederick Whitlie Quekett (1849-1913), Curator, Durban Museum (South Africa), who provided holotype [Boulenger consistently misspelled Quekett’s name as “Queckett”] (See ETYFish).
Eponymy: John Frederick Whitlie Quekett (1849–1913) was born in London, but emigrated to Natal (1871) and was appointed to organise the collection of the Natal Society (1886). [...] (Ref. 128868), visit book page.
More on author: Boulenger.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 底生の. Subtropical; 27°S - 33°S
Western Indian Ocean: Natal and northeastern Cape in South Africa.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 89.0 cm TL オス/雌雄の選別がない; (Ref. 244); 102.0 cm TL (female)
背面の脊椎 (合計) : 0; 肛門の骨: 0. A blunt-nosed houndshark with large, fused nasal flaps, and small, blunt, pebble-like teeth; 2nd dorsal fin as large as 1st (Ref. 5578). Grey above, cream below; newborn with white rear edges on dorsal, anal and caudal fins (Ref. 5578).
Body shape (shape guide): elongated.
Occurs from the surf line to close offshore (Ref. 5578). Feeds mainly on crustaceans (including lobsters), also squid (Ref. 244). Viviparous (Ref. 50449). Caught by rock and surf anglers (Ref. 5578).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Viviparous, placental (Ref. 50449). With 2 to 4 young in a litter (Ref. 244, 5578). Size at birth about 34 cm (Ref. 244). Gestation period is 9 to 10 months (Ref. 244). 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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
脆弱 (VU) (B1ab(iii,v)); Date assessed: 25 April 2018
人間の用途
水産業: 食糧水産; ゲームフィッシュ: はい
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00245 (0.00117 - 0.00517), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.6 ±0.5 se; based on diet studies.
回復力 (参照
120179): 非常に低い, 14年以上の倍増期間の最小個体群 (Fec=2).
漁業の脆弱性 (Ref.
59153): High vulnerability (61 of 100).
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