Rhabdalestes maunensis (Fowler, 1935)
Okavango robber
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Family:  Alestidae (African tetras)
Max. size:  8.5 cm TL (male/unsexed)
Environment:  pelagic; freshwater
Distribution:  Africa: Cunene, Okavango, Upper Zambezi and Kafue systems. A similar, possibly identical, species (Rhadalestes rhodesiensis) occurs in the Zambian Congo system (Lakes Bangweulu and Mweru, and Luapula River).
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 7-9; Anal spines: 2-3; Anal soft rays: 16-19. Can be easily confused with Micralestes acutidens but has a more slender body with no black tip to the dorsal fin. Does not possess a pair of conical teeth behind row of teeth in lower jaw as in M. acutidens.
Biology:  Shoals in shallow, vegetated marginal and floodplain habitats. Appears to prefer a swampy environment to open water (Ref. 13337). Feeds on small aquatic insects and other invertebrates. A partial spawner, breeding during high-water periods (Ref. 7248). Known to migrate up rivers and on to floodplains during flood season (Ref. 13337).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 April 2007 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Sa-a, Pascualita - 20.06.94
Modified by: Torres, Armi G. - 27.02.01
Checked by: Sa-a, Pascualita - 01.08.94

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