分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); altidorsalis: Name from Latin 'altus' meaning high and 'dorsalis' meaning neck, referring to its high-necked profile..
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 15 - 20 m (Ref. 57884).
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri
Western Pacific: Indonesia, New Guinea, Sabah to the Solomons, including Sta. Cruz Islands.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 10.2 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) : 76 - 85; 臀鰭軟條: 59 - 68; 脊椎骨: 43 - 45. Diagnosis: Vertebrae 11+32-34=43-45, dorsal fin rays 76-85, anal fin rays 59-68; eyes large (at least 2.5% SL); outer pseudoclasper large, broad, ear-lobe shaped; inner pseudoclasper a fleshy appendix at the anterior-inner rim of the outer pseudoclasper, without supporter; large scale patch on operculum above opercular spine (6–9 scales) and 1 to 3 isolated scales below opercular spine; head profile strongly ‘high-necked / hump-backed’; color yellow in live specimens (Ref. 57884).
Large dominating individuals were observed to make attacks toward smaller fish, which were hiding below rocks or any other shelter provided. One male was observed to flip backward the cover of the copulatory organ so that the organ can be exposed while swimming (Ref. 57884). Solitary inhabitant of coral reef crevices to at least 20m depth, cryptic (Ref 90102).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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)
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Estimates based on models
Preferred temperature (Ref.
123201): 27.9 - 29.3, mean 28.8 °C (based on 1452 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 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
