Actinopteri (ray-finned fishes) > Perciformes/Scorpaenoidei
(Scorpionfishes) > 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 178 - 379 m (Ref. 95016). Deep-water
Southeastern Indian Ocean to West Pacific: off Japan, Saipan, and eastern and western tropical Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.1 cm SL male/unsexed; (Ref. 95016)
Morphology | Morphometrics
(total): 7 - 8;
soft rays: 11 - 13. This species is distinguished by the following characters: presence of antrorse spine at base of AIO spine, AIO moderate to long (6-22% SL); long pectoral fin (40-52% SL); moderate eye (8-12% SL); pterygiophores exposed along base of first dorsal fin (large plates including one in advance of 1st D1 spine); long cleithral spine (13-20%SL); short gill rakers (1-2% SL) (Ref. 95016).
A rare deep water species (Ref. 9771).
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. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 11.4 - 19.4, mean 14.1 °C (based on 128 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00395 - 0.02652), 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
): 3.7 ±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.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (19 of 100).