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); atollorum: Named for its habitat among the Micronesian atolls.
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 1 - 4 m (Ref. 57884). 熱帶
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri
Western Central Pacific: Micronesian atolls, eastwards to Kiribati.
中西太平洋: 麥克羅尼西亞的環礁, 向東到吉爾巴斯。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.8 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) : 72 - 76; 臀鰭軟條: 56 - 61; 脊椎骨: 40 - 42. Diagnosis: Vertebrae 11+29–31=40–42, dorsal fin rays 72–76; anal fin rays 56–61; eyes small (about 2.0% SL); outer pseudoclasper deep, ear-lobe shaped, opened towards ventral; inner pseudoclasper firmly joined to outer pseudoclasper anteriorly, with supporter, forming a sharp, forward-inclined lobe; narrow scale patch on cheek, no scales on operculum; head profile slender; otolith length to height ratio >2.1 (Ref. 57884).
鑑別: Vertebrae 11+29-31=40-42, 背鰭鰭條 72-76; 臀鰭棘條 56-61; 眼小的;(大約 2.0% SL) 外部的 pseudoclasper 深的, 耳朵-葉形狀的, 向腹面開放的; 內部的 pseudoclasper 前面地堅固連到了外部的 pseudoclasper,藉由支持者,形成一個銳利地, 向前的-使葉傾向了; 在頰上的狹窄的鱗片小區塊, 沒有鱗片在鰓蓋上; 頭部輪廓細長的; 對高度比 >2.1 的耳石長度.(參考文獻 57884)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中西太平洋: 麥克羅尼西亞的環礁, 向東到吉爾巴斯。
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 2024-1)
無危 (LC) ; Date assessed: 15 August 2019
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Estimates based on models
Preferred temperature (Ref.
123201): 28 - 29.5, mean 28.9 °C (based on 451 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).
