Rhabdalestes maunensis, Okavango robber : aquarium

Rhabdalestes maunensis (Fowler, 1935)

Okavango robber
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Image of Rhabdalestes maunensis (Okavango robber)
No image available for this species;
drawing shows typical species in Alestidae.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Alestidae (African tetras)
  More on author: Fowler.

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce pélagique; profondeur - m (Ref. ), usually - m (Ref. ).   Tropical; 0°C - ; 11°S - 20°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

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).

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 8.5 cm TL mâle / non sexé; (Ref. 13337)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 2; Rayons mous dorsaux (Total): 7-9; Épines anales 2-3; Rayons mous anaux: 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.

Biologie     Glossaire (ex. epibenthic)

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).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Paugy, D., 1984. Characidae. p. 140-183. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 5331)

Statut dans la liste rouge de l'IUCN (Ref. 124695)

  Préoccupation mineure (LC) ; Date assessed: 01 April 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Aquarium: Commercial
FAO - Publication: search | FishSource |

Plus d'informations

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00528 - 0.02495), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.3   ±0.39 se; based on food items.
Résilience (Ref. 120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité (Ref. 59153):  Low vulnerability (10 of 100) .