Stegastes albifasciatus, Whitebar gregory

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Stegastes albifasciatus (Schlegel & Müller, 1839)

Whitebar gregory
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Stegastes albifasciatus   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) 鱸形目 (Perch-likes) > Pomacentridae (Damselfishes) 雀鯛科(Damselfishes) (Damselfishes) > Pomacentrinae
Etymology: Stegastes: Greek, stegastos, -e, -on = covered (Ref. 45335).  More on authors: Schlegel & Müller.

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

; 海洋 礁区鱼类; 非迁移的; 深度上下限 0 - 4 m (Ref. 1602).   热带; 35°N - 35°S

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Indo-Pacific: Seychelles and Reunion to the Line and Tuamoto islands, north to the Ryukyu Islands, south to New Caledonia.
印度-太平洋: 塞锡尔群岛与留尼旺岛到列岛群岛与 Tuamoto 岛, 北至琉球群岛, 南至新加勒多尼亚。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 13.0 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): 12; 背的软条 (总数): 15-16; 臀棘 2; 臀鳍软条: 12 - 14. Diagnosis: Body dark brown to blackish; suborbital mostly blue with blue spots on side of head; most scales on side of body with blue transverse streak. Fins dark brown to blackish except pectorals which are translucent with dusky rays. Pectorals with scaly inner base and has pupil-sized black spot at the base of uppermost rays; a black spot (maybe bordered anteriorly with white) at base of posterior dorsal rays, slightly extending onto dorsal edge of caudal peduncle; with or without white bar across posterior half of body (Ref. 510). Body depth 1.8-2.1 in SL (Ref. 90102).
身体深褐色的到黑色的; 眶下的大部份蓝色在头侧上有蓝色的斑点; 在身体侧边上的大多数的鳞片有蓝色的横向条纹。 鳍深褐色的到黑色的除了胸鳍以外那是半透明的有暗淡的鳍条。 胸鳍有有鳞的内部基底而且在最上面的鳍条的基底有瞳孔大小的黑色斑点; 在背鳍鳍条后面的基底的一个黑色的斑点 (也许前面地毗邻有白色的), 些微地延伸到尾柄的背缘; 具有或者没有白色的横带越过身体的后半段。

生物学特性     字汇 (例如 epibenthic)

A territorial herbivore. Adults inhabit reef flats, shallow lagoons, and semi-sheltered reef margins; common among patches of rubble or porous reef rock, surrounded by live coral, particularly in areas of mild surge (Ref. 1602). Also in high energy zones with mixed corals and short algae. They occur in small loose aggregations (Ref. 48636). Feeds on filamentous algae (Ref. 89972). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

居住于礁石平台,泻湖浅滩与半掩蔽的礁区边缘的一个具有领域性草食动物; 普遍在碎石区块或多孔的岩礁之中, 被活珊瑚包围了, 特别地在温和涌浪的区域中.(参考文献 1602) 也在高能量的有混合珊瑚与短的藻类的地方。 出现于小的松散鱼群。 (参考文献 48636)

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

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).印度-太平洋: 塞锡尔群岛与留尼旺岛到列岛群岛与 Tuamoto 岛, 北至琉球群岛, 南至新加勒多尼亚。

主要参考文献 Upload your references | 参考文献 | 合作者 : Allen, Gerald R. | 合作者

Allen, G.R. and A.R. Emery, 1985. A review of the Pomacentrid fishes of the genus Stegastes from the Indo-Pacific, with descriptions of two new species. Indo-Pac. Fish. (3):31. (Ref. 510)

世界自然保护联盟红皮书 (Ref. 120744)

  不评价 

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





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Estimates based on models

Preferred temperature (Ref. 115969): 25.1 - 29.3, mean 28.3 (based on 2041 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01132 - 0.04228), b=2.98 (2.82 - 3.14), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.0   ±0.00 se; Based on food items.
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
脆弱性 (Ref. 59153):  Low vulnerability (23 of 100) .