分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Carcharhiniformes (Ground sharks)
真鯊目 (Ground sharks) >
Triakidae (Houndsharks)
平滑鮫 (Houndsharks) > Galeorhininae
Etymology: Iago: Name of villain in Shakespeare’s Othello, because members of this genus have been a “troublemaker for systematists and hence a kind of villain” (See ETYFish); omanensis: -ensis, Latin suffix denoting place: Gulf of Oman, type locality (See ETYFish).
Eponymy: The name of this genus derives from Iago, the villain in Shakespeare’s play Othello. The authors say that this genus is “a troublemaker for systematists and hence a kind of villain”. (Ref. 128868), visit book page.
More on author: Norman.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 110 - 2195 m (Ref. 244). 深水域; 30°N - 10°N
Western Indian Ocean: Red Sea, Gulf of Aqaba (Ref. 9942) and Gulf of Oman to Pakistan and southwestern India. A low-finned, somewhat short-headed Iago is largely sympatric with Iago omanensis at least off southwestern India, and in the Bay of Bengal there is possibly a dwarf, omanensis-like Iago that may or may not be distinct.
西印度洋: 紅海，阿卡巴灣 (參考文獻 9942) 與阿曼灣到巴基斯坦與印度西南部。 一個鰭低, 頭部略短 Iago 主要地與 大眼前鰭皺唇鯊〔Iago omanensis〕 至少印度西南部外海重疊分佈, 而且在孟加拉灣可能地有矮小, omanensis-例如 Iago 哪一可能或者可能不是明顯的。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 55.7 range ? - ? cm
Max length : 37.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 58.0 cm TL (female)
Brown or grey dorsally, lighter below; dorsal and caudal fins may have darker tips and leading edges (Ref. 5485).
褐色或灰色的背面, 腹面顏色較淡; 背鰭與尾鰭鰭可能有較深色的頂端與前緣。 (參考文獻 5485)
Found on the continental shelf and slope. Water temperature: 16-25°C. Oxygen level: 0.2-2.4 ppm. Feeds on bony fishes (mostly lanternfishes) and cephalopods. Sexual dimorphism by size exists. Viviparous (with a yolk-sac placenta), with probably 2 to 10 young in a litter. Utilized fresh for human consumption.
棲息於大陸棚及大陸坡了。 水溫: 16-25個 ° C. 含氧量: 0.2-2.4 ppm。 吃硬骨魚類 (大部份燈籠魚) 與頭足類動物。 性的同種二形依大小存在。 胎生的 (具有一個卵黃囊胎盤), 可能 2 到 10 幼魚在一胎。 生鮮使用供人類消費。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Viviparous, placental (Ref. 50449). Distinct pairing with embrace (Ref. 205).西印度洋: 紅海，阿卡巴灣 (參考文獻 9942) 與阿曼灣到巴基斯坦與印度西南部。 一個鰭低, 頭部略短 Iago 主要地與 大眼前鰭皺唇鯊〔Iago omanensis〕 至少印度西南部外海重疊分佈, 而且在孟加拉灣可能地有矮小, omanensis-例如 Iago 哪一可能或者可能不是明顯的。
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 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 20 May 2020
人類使用
漁業: 自給性漁業
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Estimates based on models
Preferred temperature (Ref.
123201): 10 - 21.7, mean 14.6 °C (based on 100 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00180 - 0.01010), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.3 se; based on diet studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (K=0.48; Fec=2).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).
