Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 200 - 400 m (Ref. 9824). Deep-water
Indo-West Pacific: southern Japan (Ref. 559), southern Indonesia to northwest Australia, and New Caledonia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.3 cm SL male/unsexed; (Ref. 9824)
soft rays: 83 - 90;
Vertebrae: 31 - 32. Caudal fin darkened on middle rays (Ref 42535). Related to P. coarctatus, but differs from it in having a small number of scales on the lateral line, larger eye, its diameter 3.5 times in head length, no dark blotches on lateral line and no dots along upper margin of upper eye.
Feeds on fishes, shrimps, and other small benthic animals (Ref. 9824). Marketed fresh or dried (Ref. 9824).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
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
Preferred temperature (Ref. 115969
): 3.3 - 18.9, mean 13.4 (based on 64 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00461 - 0.02381), b=3.00 (2.80 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.60 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).
Vulnerability (Ref. 59153
): Moderate vulnerability (40 of 100) .