分類 / Names
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Teleostei >
Ophidiiformes (Cusk eels)
鼬鳚目 (Cusk eels) >
Bythitidae (Livebearing brotulas)
深蛇鳚科 (Livebearing brotulas)
Etymology: Tuamotuichthys: Derived from the name of the type locality, Tuamotu Archipelago and the Greek ichthys (fish), Tuamotu fish; marshallensis: Named for its type locality, the Marshall Islands..
More on authors: Nielsen, Schwarzhans, Møller & Randall.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海區的; 深度上下限 46 - 536 m (Ref. 57891). 熱帶
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri
Western Pacific: Marshall Islands.
西太平洋: 馬紹爾群島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 12.0 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) : 78 - 81; 臀鰭軟條: 62; 脊椎骨: 47 - 49. Tuamotuichthys marshallensisdiffers from T. bispinosus in the following characters: downward-directed part of the opercular spine hidden (vs. free); precaudal vertebrae 11 ( vs. 13); dorsal fin origin above vertebra no. 5 (vs. no. 8); hypobranchial rakers of anterior gill arch developed as one large or five smaller plates provided with small spines (vs. hypobranchial without rakers or plates); soft interorbital 5.8-6.3 % SL (vs. 3.8 % SL); maximum head depth 20.0–-1.5 % SL (vs. 13.5 % SL); body depth at origin of anal fin 18.5-20.5 % SL (vs. 14.5 % SL); head pores present on occiput and upper preoperculum (vs. absent); interorbital and occipital head pores present (vs. absent); no scales on top of head (vs. scales present); dorsal rim of otolith high (vs. rim flat) (Ref. 57891).
Tuamotuichthys marshallensis 有別於下列的特徵的 T. bispinosus: 向下的-直接的被藏著的鰓蓋棘的部份;(vs. 分離的) 尾前椎 11;( vs.13) 在脊椎骨 5 號上面的背鰭起點;(vs.8 號) 前面鰓弓發展的鰓蓋上方耙當一大的或提供的五個小板有小的棘;(vs. 鰓蓋上方的沒有耙或碟) 軟的眼間骨 5.8-6.3% SL;(vs.3.8% SL) 最大的頭部深度 20.0--1.5% SL;(vs.13.5% SL) 在臀鰭起點 18.5-20.5% SL 的體高;(vs.14.5% SL) 頭部孔位於後腦部與上面的前鰓蓋骨之上;(vs. 不存在) 眼間骨與後頭骨頭部孔呈現;(vs. 不存在) 沒有鱗片在頭頂上;(vs. 鱗片呈現) 高度地 (vs. 邊緣平坦的) 的耳石的背部邊緣.(參考文獻 57891)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西太平洋: 馬紹爾群島。
Nielsen, J.G., W. Schwarzhans, P.R. Møller and J.E. Randall, 2006. Tuamotuichthys marshallensis, a new species of fish (Ophidiiformes, Bythitidae) from the Marshall Islands. Steenstrupia 29(2):169-173. (Ref. 57891)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
