Bathybagrus sianenna  (Boulenger, 1906)

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Bathybagrus sianenna   AquaMaps   Data sources: GBIF OBIS
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Bathybagrus sianenna
Picture by de Vos, L.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Claroteidae (Claroteid catfishes) > Claroteinae
Etymology: Bathybagrus: Greek, bathys = deep + Greek, pagros = a fish (Dentex sp.) (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; demersal, usually 25 - 75 m (Ref. 36901).   Tropical, preferred ?; 3°S - 9°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: known from Lake Tanganyika (Ref. 36901, 75075, 78218), affluent rivers (Ref. 93972) and the Lower Malagarasi River (Ref. 54847).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 23.0 cm SL male/unsexed; (Ref. 3236)

Biology     Glossary (e.g. epibenthic)

Present on the bottom of deep water to 150 m but most common in sub-littoral areas; very common in deep water (Ref. 4967). Specialized toward a life on the sandy bottoms (Ref. 6770). Upstream spawning migrations have been reported (Ref. 78218, 93972). Omnivore (Ref. 78218). Feeds on small fishes (usually Lamprologus spp.), ostracods, and larvae of dragonflies (Ref. 6868, 36901).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Mo, T., 1991. Anatomy, relationships and systematics of the Bagridae (Teleostei: Siluroidei) with a hypothesis of siluroid phylogeny. Koeltz Scientific Books, Koenigstein, Theses Zoologicae 17. 216 p. (Ref. 55984)

IUCN Red List Status (Ref. 109396)

  Least Concern (LC) 

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: subsistence fisheries
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00338 - 0.01702), b=3.04 (2.85 - 3.23), based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.7   ±0.61 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (26 of 100) .
Price category (Ref. 80766):   Unknown.