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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 / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical; 3°N - 0°N
Africa: Mbini/Woleu River system in Equatorial Guinea and Gabon (Ref. 58516, 81644).
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 41.3 cm SL αρσενικό/απροσδιόριστο; (Ref. 58516)
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 110 - 160; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 101 - 155; Σπόνδυλοι: 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.
Facultative air-breathing in the genus (Ref. 126274); Maximum size recorded 445mm TL (Ref. 81644).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00343 - 0.01679), b=2.96 (2.78 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.5 ±0.6 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
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