Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Leiognathidae
(Slimys, slipmouths, or ponyfishes)
Etymology: Leiognathus: Greek, leios = smooth + Greek, gnathos = jaw (Ref. 45335).
Environment / Climate / Range
Marine; brackish; demersal; amphidromous (Ref. 51243); depth range ? - 40 m (Ref. 3424). Tropical
Length at first maturity / Size / Weight / Age
Maturity: Lm 18.1  range ? - ? cm
Max length : 13.5 cm TL male/unsexed; (Ref. 3424); common length : 11.0 cm TL male/unsexed; (Ref. 3424)
soft rays: 14. Body silvery; live or fresh specimens with a golden gleam. Head naked; with nuchal spine. Protracted mouth pointing downward. Scales minute. 2nd dorsal spine less than 1/3 of body depth.
Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri
Indo-West Pacific: coasts of India and Sri Lanka to China; south to Australia.
Lives in shallow waters down to depths of about 40 m, predominantly near the bottom, found in schools. Feeds mainly on diatoms, copepods, Lucifer, nematodes and polychaetes (Ref. 3424).
Kühlmorgen-Hille, G., 1974. Leiognathidae. In W. Fischer and P.J.P. Whitehead (eds.) FAO species identification sheets for fishery purposes. Eastern Indian Ocean (fishing area 57) and Western Central Pacific (fishing area 71). Rome, FAO. Vol. II, pag. var.
IUCN Red List Status (Ref. 90363)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01090 (-0.11950 - 0.14130), b=3.03 (2.96 - 3.11), based on LWR estimates for species & family-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.0 ±0.33 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (K=0.90-1.75).
Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .