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Teleostei >
Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); alleni: Named for Gerald R. Allen, Perth, Western Australia.
Eponymy: Dr Gerald Robert ‘Gerry’ Allen (d: 1942) is an American-born Australian ichthyologist. [...] (Ref. 128868), visit book page.
More on authors: Schwarzhans, Møller & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 深度上下限 5 - 17 m (Ref. 57884). 熱帶
Indo-West Pacific: Chagos and Maldives to Java, Australia, New Guinea, the Solomons, Vanuatu, and Samoa.
印度-西太平洋: 查哥斯群島與馬爾地夫到爪哇，澳洲，新幾內亞, 所羅門，萬那度與美屬薩摩亞。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 57884)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 75 - 84; 臀鰭軟條: 60 - 70; 脊椎骨: 43 - 45. Diagnosis. Vertebrae 11+32-34=43-45, dorsal fin rays 75-84, anal fin rays 60-70; outer pseudoclasper hook-shaped, hook-like extension bent outwards, with massive supporter; inner pseudoclasper anteriorly connected to outer pseudoclasper, stout, fleshy; 1 or 2, rarely 3 large scales on operculum above opercular spine aligned in single row and usually covered by mucus and skin (Ref. 57884).
鑑別。 Vertebrae 11+ 32-34=43-45 ，背鰭鰭條 75-84, 臀鰭棘條 60-70; 外部的 pseudoclasper 鉤-形狀又鉤狀的延長向外地彎曲, 藉由大的支持者; 內部的 pseudoclasper 前面地連接到外部的 pseudoclasper了, 矮胖的, 肉質的; 1 或 2, 很少地在鰓蓋上方鰓蓋棘上的 3個大的鱗片排列成單一列了而且通常被黏液與皮膚蓋著了.(參考文獻 57884)
Solitary inhabitant of coral reef crevices, cryptic (Ref 90102).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
印度-西太平洋: 查哥斯群島與馬爾地夫到爪哇，澳洲，新幾內亞, 所羅門，萬那度與美屬薩摩亞。
Schwarzhans, W., P.R. Møller and J.G. Nielsen, 2005. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-West-Pacific. Part I. Diancistrus and two new genera with 26 new species. The Beagle, Records of the Museum and Art Galleries of the Northern Territory 21:73-163. (Ref. 57884)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 16 August 2019
人類使用
漁業: 沒有興趣
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Estimates based on models
Preferred temperature (Ref.
123201): 25 - 29.3, mean 28.3 °C (based on 1927 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Diancistrus alleni (Allen\](/images/thumbnails/jpg/tn_Diall_u0.jpg "Image of Diancistrus alleni (Allen\")
![Image of Diancistrus alleni (Allen\](/images/thumbnails/gif/tn_Diall_m0.gif "Image of Diancistrus alleni (Allen\")
