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Gonorynchiformes (Milkfishes) >
Kneriidae (Shellears)
Etymology: malaissei: Dedicated to the collector of the type specimens, Prof. F. Malaisse from the University of Lubumbashi (Ref. 89134).
Eponymy: Professor Dr François Malaisse is a Belgian ecologist at Agro-Bio Tech, Université de Liège (1987–present). [...] (Ref. 128868), visit book page.
More on author: Poll.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical
Africa: Luanza River (lower Luapula tributary, upper Congo River basin) in Democratic Republic of the Congo (Ref. 89134).
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 7.8 cm SL αρσενικό/απροσδιόριστο; (Ref. 89134)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 10 - 11; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 9; Σπόνδυλοι: 42. Diagnosis: head length 4.8-5.5 times in SL; body height 5.4-7.6 times in SL; snout wide, flat and rounded, 2.4-2.8 times in HL; eye lateral, its diameter 6-7.1 times in HL, 1.8-2.6 times in interorbital distance, 2.1-2.8 times in snout length; dorsal fin origin 1-1.2 times further from tip of snout than from caudal fin origin, slightly in front of pelvic fin origin; anal fin origin 1.7-2 times further from pelvic fins than from caudal fin origin; pectoral fin short and rounded, with 15-16 soft rays, its length 5.1-6.5 times in SL; pelvic fin 5.3-8.3 times in SL, 1.2-1.6 times in HL; caudal peduncle depth 1.4-1.8 times in its length; 88-103 lateral line scales (Ref. 89134).
Body shape (shape guide): elongated; Cross section: circular.
Maximum TL was recorded at 9.2 cm (Ref. 89134).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Poll, M., 1984. Kneriidae. p. 129-133. 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. 3565)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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