Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Microdesmidae
(Wormfishes) > Ptereleotrinae
Etymology: Ptereleotris: Greek, pteron = wing, fin + The name of a Nile fish, eleotris (Ref. 45335). More on authors: Randall & Hoese.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 22 - 42 m (Ref. 528). Tropical; 5°S - 15°S
Eastern Central Pacific: Marquesas Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.3 cm SL male/unsexed; (Ref. 528)
Morphology | Morphometrics
soft rays: 23 - 25;
Vertebrae: 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
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 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
Trophic Level (Ref. 69278
): 3.4 ±0.4 se; Based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .