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

Bastard Cunningfish, Tofarvet fanefisk, 双色前颌蝴蝶鱼, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Acanthuriformes (Surgeonfishes) > Chaetodontidae (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 Ökologie

seewasser riff-verbunden; tiefenbereich 3 - 120 m (Ref. 57925), usually 15 - 35 m (Ref. 47838). Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Southeast Atlantic: Saint Helena and Ascension islands.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 16.0 cm TL Männchen/unbestimmt; (Ref. 4858)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 12; Rückenflossenweichstrahlen (insgesamt) : 19; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 15.

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).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Form pairs during breeding (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 06 October 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerziell; Aquarium: Kommerziell

FAO(Publication : search) | FishSource |

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Zusammenfassung | Point data | Namen | Photos

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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).

Trophic level (Ref. 69278): 3.5 ±0.37 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Preiskategorie (Ref. 80766): Unknown.

Prognathodes dichrous (Günther, 1869)