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Teleostei >
Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); beateae: Named for Beate Schwarzhans.
Eponymy: Mrs Beate Schwarzhans is the first author’s wife. He wrote of her thanking her for her ‘most valuable support’ during the many years he was engaged in the study of this genus. (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 0 - 38 m (Ref. 90102), usually 0 - 15 m (Ref. 90102). 熱帶
Pacific Ocean: Micronesia, Indonesia, New Guinea, Solomons, Vanuatu Is., Fiji, Samoa, and Australia.
太平洋: 密克羅尼西亞，印尼，新幾內亞，所羅門，萬那度島，斐濟，美屬薩摩亞與澳洲。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 14.9 cm TL 雄魚/尚未辨別雌雄; (Ref. 57884); 13.2 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 84 - 91; 臀鰭軟條: 65 - 74; 脊椎骨: 44 - 46. Diagnosis: Vertebrae 11+33-35=44-46, dorsal fin rays 84-91, anal fin rays 65-74; eyes large (2.6-3.5% SL); outer pseudoclasper massive, hook-shaped, very broad in ventral view; inner pseudoclasper stout, fleshy, not extending over anterior rim of outer pseudoclasper; broad scale patch on cheek, large scale patch on operculum continuous above and below opercular spine (Ref. 57884).
鑑別: Vertebrae 11+33-35=44-46 ，背鰭鰭條 84-91, 臀鰭棘條 65-74; 眼大的 (2.6-3.5% SL); 外部的 pseudoclasper 大的, 鉤-形狀的, 非常寬的由腹面觀之; 內部的 pseudoclasper 矮胖的﹐肉質的, 不延伸超過外部 pseudoclasper 的前面邊緣; 在鰓蓋連續上面與下面鰓蓋棘上的在頰又大規模的小區塊上的寬的鱗片小區塊.(參考文獻 57884)
Maximum length of 14.9 cm TL. Solitary inhabitant of coral reef crevices, cryptic (Ref 90102). Maximum length for female 13.2 SL (Ref 57884).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
太平洋: 密克羅尼西亞，印尼，新幾內亞，所羅門，萬那度島，斐濟，美屬薩摩亞與澳洲。
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): 26.4 - 29.3, mean 28.6 °C (based on 1326 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): 3.4 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Diancistrus beateae (Beate\](/images/thumbnails/gif/tn_Dibea_m0.gif "Image of Diancistrus beateae (Beate\")
