HomeFish encyclopediaRay-finned fishesPerch-like fishSlimys, slipmouths or ponyfishesJones? pony fish Jones? pony fish (Eubleekeria jonesi) Scientific name: Eubleekeria jonesi James, 1971 The Jones? pony fish (Eubleekeria jonesi) is a marine fish of the family Leiognathidae. Native range: Indo-West Pacific, Mauritius and India to Papua New Guinea; north to China; south to Australia. BiologyDorsal spines (total): 8; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 14 - 15. This species belonging to the Leiognathus splendens complex is distinguished by the following characters: cheek no scales; anterior dorsolateral body surface almost entirely scaled with a semicircular naked area on nape; lower margin of inner preopercular ridge smooth; no scales on interspace of pelvic keels; second spines of dorsal and anal fins are weak (width of second spines of dorsal and anal fins 0.72-1.1% SL and 0.60-0.95% SL, respectively); a dark blotch on spinous dorsal fin rather pale, grayish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEubleekeria jonesiFamilyLeiognathidae (Slimys, slipmouths or ponyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.9EnvironmentMarine; demersalClimateTropicalDistributionIndo-West Pacific: Mauritius and India to Papua New Guinea; north to China; south to AustraliaConservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026