Actinopterygii (ray-finned fishes) > Tetraodontiformes
(Puffers and filefishes) > Monacanthidae
Etymology: Pervagor: Latin, pervagor = nomadic, itinerant.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated. Tropical
Eastern Central Pacific: found only at the Marquesas and Line islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.2 cm SL male/unsexed; (Ref. 527)
soft rays: 27 - 29;
Vertebrae: 19. Head and body grayish brown when fresh; iris brown; caudal fin orange with black posterior margin; spinous dorsal fin dark brown. Usually a broad and blackish bar passing from nape, through eye, to pectoral base. Large pelvic rudiment not broadly attached to posterior margin of ventral flap. 1 - 5 spinules on midbody scales, middle spinule longest; scale spinules on posterior half of body becoming progressively more elongate, extremities of those on caudal peduncle of male curving forward; male with scale rugosities developing at about 50 mm SL
Occurs in rocky reefs to depths of 25 m.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hutchins, J.B., 1986. Review of the monacanthid fish genus Pervagor, with descriptions of two new species. Indo-Pac. Fish. (12):35 p. (Ref. 527)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01058 - 0.04524), b=2.91 (2.73 - 3.09), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (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 (12 of 100) .