Rhabdalestes maunensis (Fowler, 1935)

Okavango robber

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Characiformes \| Alestidae
Synonyms	Petersius maunensis, Hemigrammopetersius maunensis, ... more
Common names	马翁纹鲑脂鲤, Slanke rower, Slende robber, ... more

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Main reference

Paugy, D. 1984. (Ref. 5331)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 8.5 cm TL male/unsexed; (Ref. 13337)

Environment

Pelagic; freshwater

Climate / Range

Tropical; 11°S - 20°S

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).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 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.

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 (Ref. 57073)	Threat to humans
Least Concern (LC)	Harmless

Human uses
Aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (10 of 100)	Not marketed/unknown

Entered by Sa-a, Pascualita

Modified by Torres, Armi G.

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Page last modified by : elaxamana, 15 July 2009

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