HomeFish encyclopediaRay-finned fishesPerch-like fishSlimys, slipmouths or ponyfishesPugnose ponyfish Pugnose ponyfish (Secutor insidiator) Scientific name: Secutor insidiator Bloch, 1787 The Pugnose ponyfish (Secutor insidiator) is a brackish-water fish of the family Leiognathidae. In the aquarium it needs water at 26–29°C (79–84°F). Native range: Indo-West Pacific, Red Sea, Persian Gulf and East Africa to Australia, New Caledonia and Tahiti. Pugnose ponyfish care at a glanceTemperature26–29°C (79–84°F) BiologyDorsal spines (total): 8; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 14. Body silvery. Naked head; with nuchal spine. Mouth strongly oblique; nostrils situated above eyes. Protracted mouth pointing upward; Tip of maxilla reaching well below level of lower margin of eye. Body depth twice or slightly more than standard length. Lateral line ending before dorsal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSecutor insidiatorFamilyLeiognathidae (Slimys, slipmouths or ponyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.3Common length8.0Depth range10–150 m (33–492 ft)EnvironmentMarine; brackish; demersal; amphidromous; depth range 10 - 150 mClimateTropicalDistributionIndo-West Pacific: Red Sea, Persian Gulf and East Africa to Australia, New Caledonia and Tahiti.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (K=1.20-1.50) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026