Actinopteri (ray-finned fishes) > Tetraodontiformes
(Puffers and filefishes) > Triacanthidae
Etymology: Trixiphichthys: Greek, tres tria = three + Greek, xiphos = sword + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range ? - 65 m (Ref. 9804). Tropical
Indo-West Pacific: Bay of Bengal, South China Sea including Gulf of Thailand, and Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 9804)
Basal one-third of first dorsal-fin spine much less darker than distal portion. Postorbital distance (eye to upper end of gill opening) short (5.2 to 6.8% SL), slightly more than 1/2 diameter of orbit. Snout long (21.2 to 27.7% SL), distinctly concave and much compressed anteriorly (Ref 9804).
Inhabits sandy and muddy flats of coastal waters. Feeds on benthic invertebrates. Marketed fresh.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Matsuura, K., 2001. Triacanthidae. Triplespines. p. 3905-3910. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref. 9804)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: minor commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 25 - 29, mean 28 °C (based on 940 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00557 - 0.03419), b=2.94 (2.73 - 3.15), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.37 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (20 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .