分类 / Names
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Teleostei >
Gobiiformes (Gobies) >
Microdesmidae (Wormfishes) > Ptereleotrinae
Etymology: Nemateleotris: Name from the combination of the Greek 'nemat' meaning thread, and the eleotrid genus Eleotris.; helfrichi: Named for Dr. Philip Helfrich, Associate Director of the Hawaii Institute of Marine Biology of the University of Hawaii and Director of the Enewetak Marine Biological Laboratory..
More on authors: Randall & Allen.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 礁区鱼类; 深度上下限 0 - 90 m (Ref. 33482), usually 40 - ? m (Ref. 9710). 热带; 16°N - 28°S
Southeastern Pacific: Fr. Polynesia.
太平洋: 向东到 Tuamoto 岛, 北至琉球群岛。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 9710)
背棘 (总数): 7; 背的软条 (总数): 29-30; 臀棘 1; 臀鳍软条: 25 - 27. This species is distinguished by the following characters: D VI, I,30 (I,29-30); A I,26 (I,25-27); pectoral-fin rays 20 (20-21); pelvic-fin rays I,5; segmented caudal-fin rays 17; upper procurrent caudal-fin rays 9 (9-14); lower procurrent caudal-fin rays 12 (11-12); total caudal-fin rays 37-43; gill rakers 6 (5-7) + 17 (17-18) = 23 (22-24). Colouration: elevated part of first dorsal fin blue on anterior edge; median fins are pale yellowish green, caudal fin no markings, outermost edge of second dorsal and anal fin tipped with a yellow or orange spot, one in each interradial membrane space, the spots sometimes coalescing; when alive the body is lavender to lilac; pelvic fins black-tipped; dorsal edge of iris with a black mark at 1 o’clock position, sometimes continuing until interorbital space as a short streak; maxilla black (when alive and preserved); snout bright pink in life (Ref. 128599).
Occurs in relatively deep water. Found over small patches of sand, rubble, or hard open bottoms of steep seaward reefs. Rarely found in less than 40 m and frequently occurs in pairs. Monogamous (Ref. 52884). Feeds on zooplanktons (Ref. 89972). Minimum depth reported taken from Ref. 128797.
出现于相当深的水。 发现在陡峭临海礁石的沙子，碎石或坚硬开放底部的小区块上了。 很少发现于少于 40 公尺了与时常成对出现。 一夫一妻的.(参考文献 52884)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Monogamous mating is observed as both obligate and social (Ref. 52884).太平洋: 向东到 Tuamoto 岛, 北至琉球群岛。
Tea, Y.-K. and H.K. Larson, 2023. Synopsis of the ptereleotrine goby genus Nemateleotris, with description of a new species from the western and central Pacific Ocean (Teleostei: Gobiidae). Raffles Bulletin of Zoology 71:248-266. (Ref. 128599)
人类利用
水族馆: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 25.7 - 29, mean 27.8 °C (based on 13 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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).
营养阶层 (Ref.
69278): 3.4 ±0.45 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Nemateleotris helfrichi (Helfrichs\](/images/thumbnails/jpg/tn_Nehel_u1.jpg "Image of Nemateleotris helfrichi (Helfrichs\")