Hemigymnus melapterus, Blackeye thicklip : fisheries, gamefish, aquarium

Hemigymnus melapterus (Bloch, 1791)

Blackeye thicklip
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Hemigymnus melapterus   AquaMaps   Data sources: GBIF OBIS
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> Eupercaria/misc (Various families in series Eupercaria) > Labridae (Wrasses) > Julidinae
Etymology: Hemigymnus: Greek, hemi = half + Greek, gymnos = naked (Ref. 45335).
More on author: Bloch.

Environnement : milieu / zone climatique / profondeur / gamme de distribution Écologie

marin récifal; profondeur 0 - 30 m (Ref. 9710), usually 5 - 30 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115); 30°N - 36°S, 24°E - 138°W

Distribution Territoires | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

Indo-West Pacific: Red Sea, East Africa to Samoa; north to Ryukyu Is.; south to Australia.

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 39.6 cm TL mâle / non sexé; (Ref. 125598); poids max. publié: 1.3 kg (Ref. 125598)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 9; Rayons mous dorsaux (Total) : 10 - 11; Épines anales: 3; Rayons mous anaux: 11. This species is distinguished by the following characters: gill rakers 26-29; small juveniles dark brown, green on snout and interorbital, with a slightly oblique white bar from front of dorsal fin to abdomen, and 2 narrow pale yellowish bars below soft portion of dorsal fin that fade ventrally; larger juveniles have a white bar from origin of dorsal fin, passing beneath pectoral fin onto abdomen; head and body anterior to bar greyish green, posterior to bar black; posterior caudal peduncle and caudal fin yellow, often with 1 or 2 small black spots centrally near base: small females with body posterior to a curving demarcation between origins of dorsal and anal fins blackish with a narrow dark greenish bar on each scale, grading to yellow with blue-green spots posteriorly on caudal peduncle and fin; large females dark green posterior to oblique demarcation on body, the scales rimmed in black, with a vertical green line or spot on each scale; head and anterior body light green dorsally, pale blue-green ventrally, have irregular bands on snout and above eye, and a large complex marking behind eye; body of males posterior to demarcation dark green, each scale with narrow pale blue-green and black posterior margin; head green dorsally with irregular green to blue-green bands, including a blue ring around eye; cheek and operculum pinkish white with irregular light blue lines and spots, except for a large yellowish green blotch centrally on cheek without markings; lips and ventral part of head mainly pale blue; chest and abdomen pinkish white with a light blue spot or arc on scales (Ref. 93095).
Body shape (shape guide): fusiform / normal; Cross section: compressed.

Biologie     Glossaire (ex. epibenthic)

Found in subtidal reef flats and lagoon and seaward reefs. Juveniles occur inshore, found among branching corals while adults found in areas of mixed sand, rubble, and coral (Ref. 9710). Large adults in deeper water (Ref. 48636). Maximum length beyond 45 cm TL is unlikely, with largest measured individual at 37 cm TL (Ref, Feeds mainly on small invertebrates, especially crustaceans, polychaete worms, mollusks and brittle stars (Ref. 9823). Diet changing from primarily demersal planktonic crustaceans to hard-shelled invertebrates with growth (Ref. 37816). Minimum depth reported taken from Ref. 128797.

Cycle de vie et comportement reproducteur Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Oviparous, with distinct pairing during breeding (Ref. 205).

Référence principale Téléchargez vos références | Références | Coordinateur : Westneat, Mark | Collaborateurs

Randall, J.E., 2013. Review of the Indo-Pacific labrid fish genus Hemigymnus. J. Ocean Sci. Found. 6:2-18. (Ref. 93095)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))

  Préoccupation mineure (LC) ; Date assessed: 12 July 2008

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: intérêt commercial mineur; pêche sportive: oui; Aquarium: Commercial
FAO - Publication: search | FishSource | Sea Around Us

Plus d'informations

Écologie trophique
Aliments (proies)
Composition du régime alimentaire
Consommation alimentaire
Rations alimentaires
Prédateurs
Écologie
Écologie
Dynamique des populations
Paramètres de croissance
Âges / tailles maximales
Longueur-poids rel.
Rel. longueur-longueur.
Fréquences de longueurs
Conversion de masse
Recrutement
Abondance
Cycle de vie
Reproduction
Maturité
Maturité/épines rel.
Fécondité
Frai
Agrégats de frai
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Distribution
Territoires
Zones FAO
Écosystèmes
Occurrences
Introductions
BRUVS - Vidéos
Anatomie
Surface branchiale
Cerveau
Otolithe
Physiologie
Composition corporelle
Nutriments
Consommation d'oxygène
Type de natation
Vitesse de nage
Pigments visuels
Son de poisson
Maladies et parasites
Toxicité (CL50)
Génétique
génôme
Génétique
Hétérozygotie
Héritabilité
Diversité génétique
Liées à l'homme
Systèmes d'aquaculture
Profils d'aquaculture
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Timbres, pièces de monnaie, divers
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Estimations basées sur des modèles

Température préférée (Réf. 123201): 24.6 - 29, mean 27.8 °C (based on 1006 cells).
Indice de diversité phylogénétique (Réf. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00946 - 0.02312), b=3.02 (2.89 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Réf. 69278):  3.6   ±0.45 se; based on food items.
Résilience (Réf. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref. 59153):  Low to moderate vulnerability (30 of 100). 🛈
Catégorie de prix (Ref. 80766):   Very high.
Nutriments (Ref. 124155):  Calcium = 28.8 [15.3, 87.8] mg/100g; Iron = 0.544 [0.320, 0.977] mg/100g; Protein = 18.6 [15.7, 20.8] %; Omega3 = 0.154 [0.078, 0.309] g/100g; Selenium = 31.1 [11.2, 81.1] μg/100g; VitaminA = 115 [36, 396] μg/100g; Zinc = 2.73 [0.87, 4.69] mg/100g (wet weight);