Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Leiognathidae
(Slimys, slipmouths, or ponyfishes)
Etymology: longicornis: Name from Latin 'longicornis' meaning long horn, referring to the long second dorsal fin spine.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Tropical; 14°N - 7°S, 100°E - 107°E
Western Pacific: Gulf of Thailand and Jakarta, Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.9 cm SL male/unsexed; (Ref. 74926)
Morphology | Morphometrics
soft rays: 14. This species is characterized by the following features: Cheek and breast naked; fully scaled dorsolateral body surface; anteroventral profile of the lower jaw usually strongly concave; upper oral valve with minute, sparse, slender projections; bicuspid or tricuspid preorbital spine, expanded distally; elongated second dorsal fin spine, reaching beyond base of fifth soft ray when fin is appressed; second anal fin spine not elongated, not extending to the base of fifth soft ray when fin appressed (Ref. 74926).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kimura, S., R. Kimura and K. Ikejima, 2008. Revision of the genus Nuchequula with descriptions of three new species (Perciformes: Leiognathidae). Ichthyol. Res. 55:22-42. (Ref. 74926)
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
): 28.4 - 29.2, mean 28.9 (based on 156 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5078 [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
): 2.9 ±0.3 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 vulnerability (10 of 100) .