Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 1 - 20 m (Ref. 48637), usually - m (Ref. ). Tropical; 0°C -
Western Central Pacific: Papua New Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL male/unsexed; (Ref. 90102)
Morphology | Morphometrics
(total): 6 - 7;
soft rays: 9 - 10. Characterized by brown body color and median fins; breast and abdomen whitish; white to yellowish stripe from eye to upper caudal peduncle; white stripe below eye to opercle; second dorsal and upper caudal fins with blue margins; board dark brown stripe encompassing middle caudal fin rays; greatly elongated first dorsal fin; united pelvic fins, frenum present; longitudinal scale series 45-55; head without scales; greatest depth of body 5.8-6.3 in SL; lanceolate caudal fin, longer than head length (Ref. 90102).
Inhabits muddy burrows and occurs between 1 and 20 meters depth (Ref. 48637). Also found in silt and sand bottoms of sheltered reefs (Ref 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kailola, P.J., 1991. The fishes of Papua New Guinea: a revised and annotated checklist. Vol. III. Gobiidae to Molidae. Research Bulletin No. 41, Research Section, Dept. of Fisheries and Marine Resources, Papua New Guinea. 153 p. (Ref. 6771)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 28 - 29.2, mean 28.8 °C (based on 445 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00332 - 0.01511), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (11 of 100) .