Environment: milieu / climate zone / depth range / distribution range
Ecología
marino demersal; rango de profundidad 22 - 42 m (Ref. 528). Tropical; 5°S - 15°S
Distribución
Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri
Eastern Central Pacific: Marquesas Islands.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.3 cm SL macho / no sexado; (Ref. 528)
Espinas dorsales (total) : 7; Radios blandos dorsales (total) : 26 - 28; Espinas anales: 1; Radios blandos anales: 23 - 25; Vértebra: 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
Occurs over sand or sand and rubble bottoms. Burrows occasionally. Feeds on zooplanktons (Ref. 89972).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
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).
Nivel trófico (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).