Alphestes afer, Mutton hamlet : fisheries, aquarium

Alphestes afer (Bloch, 1793)

Mutton hamlet
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Alphestes afer   AquaMaps   Data sources: GBIF OBIS
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Image of Alphestes afer (Mutton hamlet)
Alphestes afer
Photo von Rocha, L.A.

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

> Perciformes/Serranoidei (Groupers) > Epinephelidae (Groupers)
Etymology: Alphestes: Greek, alphestes, -oy = a kind of fish (Ref. 45335).
More on author: Bloch.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

seewasser riff-verbunden; standorttreu; tiefenbereich 2 - 30 m (Ref. 9710). Tropical; 32°N - 27°S, 86°W - 32°W (Ref. 5222)

Verbreitung Territorien | FAO Gebiete | Ökosysteme | Vorkommen | Punkt Karte | Einführungen | Faunafri

Western Atlantic: Bermuda, south Florida (USA), Gulf of Mexico, the Bahamas, Cuba, West Indies, Panama, Venezuela, and southward to the state of São Paulo, Brazil. Alphestes afer has recently been re-discovered at São Tomé in the Gulf of Guinea of the Eastern Atlantic.

Länge bei der ersten Reifung / Größe / Gewicht / Alter

Geschlechtsreife: Lm 18.0, range 18 - 18.4 cm
Max length : 33.0 cm TL Männchen/unbestimmt; (Ref. 5222)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 11; Rückenflossenweichstrahlen (insgesamt) : 17 - 20; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 9 - 10. Diagnosis: Body depth is slightly less than head length, depth contained 2.4-3.1 (2.9) in standard length; caudal peduncle depth 7.0-9.0 (8.5) times in SL; eye diameter greater than or equal to snout length and 8.1-15.0 (13) times in SL; snout length 10.1-16.0 (16.0) times in SL; preopercle rounded, posterior edge serrate, with a large antrorse spine at the angle directed downward and forward and usually covered with skin. Gill rakers 5-8 (7) on upper limb, 14-17 (16) on lower limb, 19-25 (23) total, including rudiments. Dorsal fin with XI spines and 17 to 20 (18) soft rays, anal fin with III spines and 9, rarely 10 (10) soft rays; pectoral fins with 16 - 18 (17) rays; caudal fin rounded, with 15 branched rays. Scales are smooth. Lateral-line scales 49-66; lateral scale series 68 – 88 (76). Color in life; head, body, and median fins olivaceous or light brown, irregularly blotched and barred with dark brown. Some individuals are densely spotted with orange; head, body, and all fins often with scattered white spots; body sometimes covered with scattered small black dots; pectoral fins may be orange or yellow with faint dark reticulations (Ref. 57865); Color in market: almost similar to color in life but general body color may fade to a pale drab cream, also spots and reticulations may fade (Ref. 89707).
Body shape (shape guide): fusiform / normal; Cross section: oval.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

A solitary species (Ref. 26340) occurring in seagrass habitats. Sedentary during the day, hiding in crevices or lying among seaweed, sometimes partly covering itself with sand while lying on its side. Nocturnal feeders of benthic crustaceans. Estimated eggs per fish is from 157512 to 223706 (Ref. 29). Small, colorful group; a sequential hermaphrodite (Ref. 26938). Has been traded as an aquarium fish at Ceará, Brazil (Ref. 49392).

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven

Protogyny is unconfirmed for this species (Ref. 103751).

Hauptreferenz Laden Sie Ihre Referenzen hoch | Referenzen | Koordinator | Partner

Heemstra, P.C. and J.E. Randall, 1993. FAO Species Catalogue. Vol. 16. Groupers of the world (family Serranidae, subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rockcod, hind, coral grouper and lyretail species known to date. Rome: FAO. FAO Fish. Synop. 125(16):382 p. (Ref. 5222)

IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))

  nicht bedroht (LC) ; Date assessed: 19 December 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Reports of ciguatera poisoning (Ref. 30303)





Nutzung durch Menschen

Fischereien: weniger kommerziell; Aquarium: Kommerziell
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Schätzungen auf der Grundlage von Modellen

Phylogenetischer Diversitätsindex
(Ref. 82804) 		PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00447 (0.00258 - 0.00775), b=2.88 (2.74 - 3.02), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophische Ebene
(Ref. 69278) 		3.6   ±0.5 se; based on diet studies.
Widerstandsfähigkeit
(Ref. 120179) 		hoch, Verdopplung der Population dauert weniger als 15 Monate. (Fec=150,000-220,000).
Anfälligkeit der Fischerei
(Ref. 59153) 		Low to moderate vulnerability (33 of 100). 🛈
Preiskategorie
(Ref. 80766) 		Very high.
Nährstoffe
(Ref. 124155) 		Calcium = 47.5 [29.1, 84.8] mg/100g; Iron = 0.557 [0.308, 0.928] mg/100g; Protein = 18.5 [16.7, 20.1] %; Omega3 = 0.143 [0.097, 0.216] g/100g; Selenium = 27.2 [17.3, 47.4] μg/100g; VitaminA = 106 [38, 322] μg/100g; Zinc = 1.22 [0.86, 1.71] mg/100g (wet weight);