Channallabes alvarezi : fisheries

Channallabes alvarezi (Roman, 1971)

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Channallabes alvarezi
Picture by Adriaens, D.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Siluriformes (Catfishes) > Clariidae (Airbreathing catfishes)
Etymology: Channallabes: Greek, channe, -es = an anchovy + Greek, allabes, -etos = a fish of the Nile, a kind of lamprey (Ref. 45335).
Eponymy: Mario Álvarez was honoured in the binomial “…in gratitude and friendship” (translation), but otherwise remains mysterious. (Ref. 128868), visit book page.

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

Freshwater; benthopelagic. Tropical; 3°N - 0°N

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

Africa: Mbini/Woleu River system in Equatorial Guinea and Gabon (Ref. 58516, 81644).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 41.3 cm SL male/unsexed; (Ref. 58516)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 110 - 160; Anal spines: 0; Anal soft rays: 101 - 155; Vertebrae: 92 - 105. Diagnosis: large, well pronounced supraorbital process present on infraorbital IV, reaching rostral border of eye; fenestra between scapulo-coracoid and cleithrum present; no contact between entopterygoid and quadrate; no pale spot on skull roof; high number of dorsal (118-160) and anal (105-155) fin rays (Ref. 81644). High number of vertebrae (92-105)(Ref. 58516, 81644). Body lateral line system clearly visible as a white dotted line along flank (Ref. 58516).
Body shape (shape guide): elongated.

Biology     Glossary (e.g. epibenthic)

Facultative air-breathing in the genus (Ref. 126274); Maximum size recorded 445mm TL (Ref. 81644).

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

Main reference Upload your references | References | Coordinator | Collaborators

Devaere, S., D. Adriaens and W. Verraes, 2007. Survey of the anguilliform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera. Belg. J. Zool. 137(1):99-109. (Ref. 58516)

IUCN Red List Status (Ref. 130435: Version 2025-2)

  Least Concern (LC) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial
FAO - Publication: search | FishSource |

More information

Trophic ecology
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Ecology
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References

Tools

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |