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Prognathodes dichrous (Günther, 1869)

Bicolor butterflyfish
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Prognathodes dichrous
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Ascension Island country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: scarce (very unlikely) | Ref: Lubbock, R., 1980
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: One specimen collected from Grattan Bank (Ref. 57925). Usually found in pairs in rocky areas, especially near caves or drop-offs from 5-50 m depth (Ref. 86997). Also Ref. 123408, 6709, 5288, 4537.
CLRef. 86997 (Lubbock, 1980).

National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sh.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Wirtz, P., J. Bingeman, J. Bingeman, R. Fricke, T.J. Hook and J. Young, 2017
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Acanthuriformes (Surgeonfishes) 鱸形目 (Surgeonfishes) > Chaetodontidae (Butterflyfishes) 蝴蝶魚科 (Butterflyfishes)
Etymology: Prognathodes: Greek, pro = first, in front of + Greek, gnathos = jaw (Ref. 45335).
  More on author: Günther.

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

海洋 礁区鱼类; 深度上下限 3 - 120 m (Ref. 57925), usually 15 - 35 m (Ref. 47838).   熱帶

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Southeast Atlantic: Saint Helena and Ascension islands.
東南大西洋: 聖海倫娜與阿森松島。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4858)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 12; 背的软条 (总数) : 19; 臀棘: 3; 臀鳍软条: 15.

生物学特性     字汇 (例如 epibenthic)

Occasionally encountered in shallower water in caves or at the bases of overhangs (Ref. 5288). Also occurs on seamounts (Ref. 057925). Usually occur in pairs, which browse over the rocky substratum in search of benthic invertebrates. Unknown to marine aquarium enthusiasts (Ref. 4858). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).

偶然地在洞穴中的较浅水域中或在突出部份的基底见到了。 (参考文献 5288) 通常成对出现, 那一个在岩石的下层土壤以找寻底栖的无脊椎动物之上吃。 对海洋的水族馆热心家的未知.(参考文献 4858) 卵生的.(参考文献 205) 形式在繁殖的时候配对。 (参考文献 205)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Form pairs during breeding (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).東南大西洋: 聖海倫娜與阿森松島。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Maugé, L.A., 1990. Chaetodontidae. p. 837-840. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6943)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 06 October 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 商业性; 水族馆: 商业性
FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01117 - 0.04486), b=3.02 (2.85 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.5   ±0.37 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.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
价格分类 (Ref. 80766):   Unknown.