Nothobranchius Sylvaticus (Nothobranchius sylvaticus), first described by Nagy, Bellstedt & Luke, 2025 is a tiny fish in the family Nothobranchiidae (order Cyprinodontiformes). Adults typically reach 3.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Critically Endangered.
Dorsal soft rays (total): 14 - 15; Anal soft rays: 13 - 15. This species is distinguished from its congeners by the following set of characters: scales on trunk iridescent light blue covering the entire caudal peduncle; dorsal portion of head grey with distinct red lobes along supraorbital canal; posterior scale margins on postorbital portion of opercle creating two pronounced brown-red oblique bars; dorsal and anal fins golden, marked with dark grey dots and stripes proximally and medially, merging into uniform dark grey zone distally; dark red to red colouration of the proximal side of the caudal fin, plain red medially, and with slender black distal band; and colouration of the brown-red scale margins, a series of morphometric and meristic differences, and in the structure of the cephalic sensory system : elongated; Cross section: compressed.
Behavioural data for Nothobranchius Sylvaticus is currently being reviewed.
Freshwater; benthopelagic. Tropical
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