Actinopteri (ray-finned fishes) > Acanthuriformes
(Surgeonfishes) > Leiognathidae
(Slimys, slipmouths, or ponyfishes) > Leiognathinae
Etymology: Leiognathus: Greek, leios = smooth + Greek, gnathos = jaw (Ref. 45335). More on author: Valenciennes.
This species is placed in the genus Aurigequula in Eschmeyer (CofF ver. Jan. 2012: Ref. 89336).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Tropical
Indo-West Pacific: southern India, throughout Indo-Malayan region, northern Australia, New Guinea and the Philippines, reports from Fiji. Further study is required to determine if the population spanning this wide range comprise one single species.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL male/unsexed; (Ref. 3424)
Found in coastal waters. Stays near the substrate and feeds on fish, crustaceans, chaetognaths, nematodes, bivalves, and gastropods (Ref. 5213).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E. and K.K.P. Lim (eds.), 2000. A checklist of the fishes of the South China Sea. Raffles Bull. Zool. Suppl. (8):569-667. (Ref. 36648)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Fisheries: minor commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 26 - 29, mean 28.1 °C (based on 474 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.00812 - 0.04471), b=3.01 (2.81 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.38 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .