Nothobranchius Rungwaensis (Nothobranchius rungwaensis), first described by Watters, Nagy & Bellstedt, 2019 is a tiny fish in the family Nothobranchiidae (order Cyprinodontiformes). Adults typically reach 4.20 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 Vulnerable.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Nothobranchiidae kept in the hobby.
Dorsal spines (total): 0; Dorsal soft rays (total): 15; Anal spines: 0; Anal soft rays: 14. Diagnosis: Nothobranchius rungwaensis is distinguished from all other species of the genus by the following characters in males: body colouration light blue to blue-green with red-brown scale margins; anal fin yellow with a narrow red-brown submedial band, a broad yellow medial band with red to red-brown spots, and a broad black distal band; caudal fin light grey with slender semi-translucent dark grey distal band; pelvic fins light blue-grey, with broad yellow medial band with red-brown spots, and narrow black distal band . Furthermore, it differs from the other members of the Nothobranchius taeniopygus species group in central and western Tanzania by a head width 54% of head length vs. 56-73%, and 62% of its depth vs. 63-77%; interorbital width 38% of head length vs. 39-52%; postorbital length 46% of head length vs. 47-63%; snout length 22% of head length vs. 16-22%; and caudal peduncle length 119% of its depth vs. 121-169% . : fusiform / normal; Cross section: compressed.
Behavioural data for Nothobranchius Rungwaensis is currently being reviewed.
Freshwater; benthopelagic. Tropical
The following diseases are known to affect Nothobranchius Rungwaensis.
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