HomeFish encyclopediaRay-finned fishesCatfishStream catfishesMaeklong chameleon catfish Maeklong chameleon catfish (Acrochordonichthys septentrionalis) Scientific name: Acrochordonichthys septentrionalis Ng & Ng, 2001 The Maeklong chameleon catfish (Acrochordonichthys septentrionalis) is a freshwater fish of the family Akysidae. Native range: Asia, Mae Khlong River drainage in Thailand and Pahang River drainage in Peninsular Malaysia. BiologyDorsal spines: 1; Dorsal soft rays: 5; Anal soft rays: 8 - 10; Vertebrae: 40. Almost uniformly cream color pattern with few very small brown spots. Dorsal to adipose distance. Branchiostegal rays 4.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcrochordonichthys septentrionalisFamilyAkysidae (Stream catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length10.1EnvironmentFreshwater; demersalClimateTropicalDistributionAsia: Mae Khlong River drainage in Thailand and Pahang River drainage in Peninsular Malaysia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026