Actinopterygii (ray-finned fishes) > Tetraodontiformes
(Puffers and filefishes) > Monacanthidae
Etymology: Pervagor: Latin, pervagor = nomadic, itinerant.
Environment / Climate / Range
Marine; reef-associated; depth range 8 - 25 m (Ref. 9710). Tropical; 25°N - 18°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL male/unsexed; (Ref. 9710)
(total): 1 - 2;
soft rays: 25 - 30. Dark brownish green to grayish green head and back, lower portions noticeably whitish; dark brown to pale orange iris; dark brown lips. Caudal fin membranes usually orange anteriorly, dusky posteriorly; other fins clear; spinous dorsal similar to body color. Pelvic fin rudiment moderate in size, broadly attached to posterior margin of ventral flap. Midbody scales variable in size. Scale rugosities in males usually develop at about 50 mm SL. Varies considerably with respect to squamation, coloration, fin-ray counts and max. size across its range.
Western Pacific: Japan to Western Australia and the Solomon Islands.
Secretive species found in lagoon and protected seaward reefs (Ref. 9710, 48637), often in silty conditions. Sometimes seen deep inside branching corals (Ref. 48637). Has been from deeper water by trawls.
Hutchins, J.B., 1986. Review of the monacanthid fish genus Pervagor, with descriptions of two new species. Indo-Pac. Fish. (12):35 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02233 (-0.14565 - 0.19032), b=2.92 (2.83 - 3.02), based on LWR estimates for this family-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.9 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (20 of 100) .