Ptereleotris evides, Blackfin dartfish : aquarium

Ptereleotris evides (Jordan & Hubbs, 1925)

Blackfin dartfish
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Ptereleotris evides   AquaMaps   Data sources: GBIF OBIS
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Perciformes (Perch-likes) > Microdesmidae (Wormfishes) > Ptereleotrinae
Etymology: Ptereleotris: Greek, pteron = wing, fin + The name of a Nile fish, eleotris (Ref. 45335).  More on authors: Jordan & Hubbs.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 海洋 礁区鱼类; 深度上下限 2 - 15 m (Ref. 1602), usually 2 - 15 m (Ref. 27115).   热带; 21°C - 27°C (Ref. 27115); 30°N - 30°S, 32°E - 150°W

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Indo-Pacific: Red Sea and East Africa (Ref. 2798) to the Line and Society islands, north to the Ryukyu and Ogasawara islands, south to New South Wales, Lord Howe Island, and Rapa.
印度-太平洋: 红海与东非 (参考文献 2798) 到列岛群岛与社会群岛, 北至琉球与小笠原群岛, 南至新南韦尔斯,罗得豪岛与拉帕岛。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 9710)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 7; 背的软条 (总数): 23-26; 臀棘 1; 臀鳍软条: 23 - 26; 脊椎骨: 26. Light bluish gray in life, shading posteriorly to black; snout blackish; operculum with iridescent blue markings. Chin with a low fleshy protuberance, narrowing posteriorly to a low longitudinal fold. Caudal fin lobes blackish to dark reddish, broad centro-posterior region of fin whitish to yellowish; 1st dorsal fin dull orangish; 2nd dorsal and anal fins largely blackish; pectoral base with an orange to orange-red bar edged in blue. Juveniles with an oval black spot larger than eye at lower base of caudal fin.
淡的蓝灰色的活着时, 颜色向后淡化成黑色; 吻黑色的; 鳃盖有蓝色虹彩的斑纹。 下巴有一个低的肉质突起, 对低的纵向折层在后部地狭窄的。 尾鳍叶黑色的对微白色的鳍的红黑色又宽中后部区域到淡黄色的; 第一背鳍暗橘色的; 第二背鳍与臀鳍鳍相当黑色; 胸鳍基底有一个橘色的到边缘是蓝色的橘红色的横带。 在低的尾鳍基底稚鱼有椭圆形的黑色斑点大于眼。

生物学特性     字汇 (例如 epibenthic)

Occurs in outer reef slopes, also inhabits lagoons and bays. Usually in pairs as adults and in small aggregations as juveniles, Ref. 48637. Monogamous (Ref. 52884). Feeds on zooplankton while hovering 1 to 2 m above the bottom. Swims away from danger rather than retreat to its burrow.

出现于外礁斜坡, 也居住于舄湖与海湾。 通常成对当成鱼时与形成小群鱼群稚鱼时, 参考文献 48637. 一夫一妻的.(参考文献 52884) 当盘旋的时候,吃浮游动物 1 到 2个公尺上方底部。 游泳远离危险而不愿撤退到他的洞穴。

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Monogamous mating is observed as both obligate and social (Ref. 52884).印度-太平洋: 红海与东非 (参考文献 2798) 到列岛群岛与社会群岛, 北至琉球与小笠原群岛, 南至新南韦尔斯,罗得豪岛与拉帕岛。

主要参考文献 Upload your references | 参考文献 | 合作者 : Randall, John E. | 合作者

Randall, J.E. and D.F. Hoese, 1985. Revision of the Indo-Pacific dartfishes, genus Ptereleotris (Perciformes: Gobioidei). Indo-Pac. Fish. (7):36 p. (Ref. 528)

世界自然保护联盟红皮书 (Ref. 120744)

  最不相关 (LC) ; Date assessed: 12 March 2015

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

水族馆: 商业性
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俗名
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Estimates based on models

Preferred temperature (Ref. 115969): 25.8 - 29.3, mean 28.5 (based on 2808 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 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).
营养阶层 (Ref. 69278):  3.4   ±0.45 se; Based on food items.
回复力 (Ref. 120179):  .
脆弱性 (Ref. 59153):  Low vulnerability (10 of 100) .