Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal; profondeur 22 - 42 m (Ref. 528). Tropical; 5°S - 15°S
Eastern Central Pacific: Marquesas Islands.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 10.3 cm SL mâle / non sexé; (Ref. 528)
Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 26 - 28; Épines anales: 1; Rayons mous anaux: 23 - 25; Vertèbres: 26. Body pale bluish gray; a broad blackish bar from orbit across corner of mouth onto chin, including median barbel; iris yellow, upper and lower edges, deep blue; opercle with blue markings; an orange-red curved spot at pectoral fin base; pelvic fins yellowish white with pale blue distal margin. Prolonged 2nd spine of 1st dorsal fin in sub adults and adults. Median barbel followed by 3 - 4 very small ones. Species named melanopogon in reference to black barbel on chin
Body shape (shape guide): elongated; Cross section: compressed.
Occurs over sand or sand and rubble bottoms. Burrows occasionally. Feeds on zooplanktons (Ref. 89972).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Randall, J.E. and D.F. Hoese, 1985. Revision of the Indo-Pacific dartfishes, genus Ptereleotris (Perciformes: Gobioidei). Indo-Pac. Fish. (7):36 p. (Ref. 528)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
🛈
