Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 22 - 42 m (Ref. 528). Tropical; 5°S - 15°S
Eastern Central Pacific: Marquesas Islands.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 10.3 cm SL mannelijk / geslacht onbekend; (Ref. 528)
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 26 - 28; Anale stekels: 1; Anale zachte stralen: 23 - 25; Wervels: 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).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).