Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Triglidae
(Searobins) > Pterygotriglinae
Etymology: Pterygotrigla: Greek, pterigion, diminutive of pteryx = wing, fin + Greek, trigla, es = red mullet (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 300 - 500 m (Ref. 95016). Deep-water
Indo-West Pacific: Maldives, Madagascar, southwest India, and coast of Mozambique, East Africa; north to Japan; southward to Taiwan, the Philippines, northern Australia off Queensland and Western Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 559)
Morphology | Morphometrics
(total): 7 - 10;
soft rays: 11 - 13;
Vertebrae: 26 - 27. This species is distinguished by the following characters: long (17-24% SL) and wide snout; snout and head with depressed profile (15-30°); antrorse rostral spine absent; rostral spines long and slender (10-28% SL); bucklers at base of D1 fin, no spines along D2 fin bases (Ref. 95016).
A rare deepwater species (Ref. 9771). Found on the continental shelf and continental slope (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Richards, W.J. and T. Yato, 2014. Revision of the subgenus Parapterygotrigla (Pisces: Triglidae: Pterygotrigla). Zootaxa 3768(1):23-42. (Ref. 95016)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2.2 - 13.9, mean 10.4 (based on 169 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00397 - 0.02640), b=3.05 (2.83 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (28 of 100) .