HomeFish encyclopediaRay-finned fishesPerch-like fishSlimys, slipmouths or ponyfishesSpotnape ponyfish Spotnape ponyfish (Nuchequula nuchalis) Scientific name: Nuchequula nuchalis Temminck & Schlegel, 1845 The Spotnape ponyfish (Nuchequula nuchalis) is a brackish-water fish of the family Leiognathidae. Native range: Northwest Pacific, southern Japan, Taiwan and from Fujian south to the Gulf of Tong King. Questionably from the Western Central Pacific. BiologyDorsal spines (total): 8; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 14. Deep-bodied, dark blotch on nape with highly reflective silvery areas next to it.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNuchequula nuchalisFamilyLeiognathidae (Slimys, slipmouths or ponyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0EnvironmentMarine; brackish; pelagic-neriticClimateTemperateDistributionNorthwest Pacific: southern Japan, Taiwan and from Fujian south to the Gulf of Tong King. Questionably from the Western Central Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yesResilienceHigh, minimum population doubling time less than 15 months (K=2.56) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026