Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Tetrarogidae
Etymology: apia: From the species' isolated insular type locality [apia = far away] (Ref. 35987).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 29 - 350 m (Ref. 39597). Subtropical
Western Pacific: Kermadec Islands and Chesterfield Bank.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.3 cm SL male/unsexed; (Ref. 35987)
Morphology | Morphometrics
(total): 16 - 17;
soft rays: 5 - 6;
Vertebrae: 28 - 30. Second dorsal spine elongate, the length of which divided by third 1.6-1.7. Lower margin of the second infraorbital bone with a small spine. A small spine usually found on the lateral face of lachrymal bone above base of second long spine (Ref. 35987).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Poss, S.G. and W.N. Eschmeyer, 1975. The Indo-West Pacific scorpionfish genus Ocosia Jordan and Starks (Scorpaenidae, Tetraroginae), with description of three new species. Matsya 1:1-18. (Ref. 35987)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 13.7 - 23.7, mean 17 (based on 61 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.3 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 to moderate vulnerability (27 of 100) .