Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
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); amaokai: Named for Kunio Amaoka. More on authors: Richards, Yato & Last.
Environment: milieu / climate zone / depth range / distribution range
Marine; benthopelagic; depth range 156 - 187 m (Ref. 54796). Tropical
Western Indian Ocean, outer continental shelf off Kenya, East Africa, and on the Saya de Malha Bank.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.9 cm SL male/unsexed; (Ref. 54796)
Morphology | Morphometrics
Vertebrae: 26 - 27. This species possess the following distinguishing characters: no defined cleithral spine (4-6% SL), rudiment of the spine medial to the opercular spine; absence of a black blotch on the first dorsal fin, although a red spot is present in fresh material; round scales on trunk; naked prepectoral and interpelvic area, usually scaled breast and rarely naked; scaled belly; pectoral fin usually with 13 (rarely 14) connected rays, a black blotch near base and membranes; pectoral length 35-44% SL, longest free ray 32-36% SL; 0-1 epibranchial gill rakers, 10-13 ceratobranchial gill rakers, short (2-3% SL); 27 (rarely 26) vertebrae (Ref. 54796).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Richards, W.J., T. Yato and P.R. Last, 2003. Revision of the gurnard fish subgenus Otohime (Triglidae: Pterygotrigla). Smithiana, Bull. 2:1-18. (Ref. 54796)
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
): 14 - 18.4, mean 16.2 (based on 6 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
): 3.5 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (27 of 100) .