Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Callionymidae
Etymology: Foetorepus: Latin, foetus = foetus + Greek,repo = to incline, to slope (Ref. 45335); masudai: Named after Mr. Hajime Masuda who collected the holotype of this species.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Temperate
Northwest Pacific: Taiwan (Ref. 5193) and southern Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 9137)
Found on shelf edges (Ref. 43239).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nakabo, T., 1987. A new species of the genus Foetorepus (Callionymidae) from southern Japan with a revised key to the Japanese species of the genus. Jap. J. Ichthyol. 33(4):335-341. (Ref. 12695)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 19.3 - 23.7, mean 22.4 (based on 13 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00348 - 0.01733), b=2.83 (2.64 - 3.02), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±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 (24 of 100) .