Actinopterygii (ray-finned fishes) > Tetraodontiformes
(Puffers and filefishes) > Monacanthidae
Etymology: Paramonacanthus: Greek, para = the side of + Greek, monos = one + Greek, akantha ) thorn (Ref. 45335); matsuurai: Named for Keiichi Matsuura.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Temperate
Northwest Pacific: Ogasawara Islands to south of Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.6 cm SL male/unsexed; (Ref. 33065)
Morphology | Morphometrics
soft rays: 28 - 29;
Vertebrae: 19. Prominent hump just anterior to nostrils absent. Soft dorsal fin in males has the second ray slightly elongated and filamentous. Long caudal fin, its length equal to the head length. A broad dark stripe on the outer margin of the anal fin in male, its width greater than that of the pupil (Ref. 33065).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hutchins, J.B., 1997. Review of the monacanthid fish genus Paramonacanthus, with descriptions of three new species. Rec. West. Aust. Mus. Suppl. No. 54:1-57. (Ref. 33065)
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
= 0.5000 [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
): 3.1 ±0.3 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 (22 of 100) .