HomeFish encyclopediaRay-finned fishesPerch-like fishSlimys, slipmouths or ponyfishesTwoblotch ponyfish Twoblotch ponyfish (Nuchequula blochii) Scientific name: Nuchequula blochii Valenciennes, 1835 The Twoblotch ponyfish (Nuchequula blochii) is a brackish-water fish of the family Leiognathidae. Native range: Indo-West Pacific, Pakistan, India, and Thailand. BiologyDorsal spines (total): 8; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 14. This species is distinguished by having the following set of characters: fully scaled breast; naked cheek; anteroventral profile of lower jaw is almost straight; a distinct, jet-black blotch distally on the spinous dorsal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNuchequula blochiiFamilyLeiognathidae (Slimys, slipmouths or ponyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Common length8.0Depth range40 m (131 ft)EnvironmentMarine; brackish; demersal; amphidromous; depth range ? - 40 mClimateTropicalDistributionIndo-West Pacific: Pakistan, India, and Thailand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (K=1.25-1.16) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026