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Gonorynchiformes (Milkfishes) >
Kneriidae (Shellears)
Etymology: Kneria: From Kner, that studied fishes in the Imperial Museum of Vienna, with Jean Natterer (1817) (Ref. 45335); sjolandersi: The name is dedicated to Mr. David Sjölanders of the 1948-49 Angola Expedition of the Göteborg Museum (Ref. 11970).
More on author: Poll.
Environment: milieu / climate zone / depth range / distribution range
экология
; пресноводный донно-пелагический. Tropical
Africa: Rio Cubal (Bero River tributary) and streams in the Serra da Chela mountains (part of the Bero and possibly also Coroca River drainages) in Angola (Ref. 11970).
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 6.8 cm TL самец/пол неопределен; (Ref. 3565)
Краткое описание
определительные ключи | морфология | морфометрия
колючие лучи спинного плавника (общее число) : 0; членистые (мягкие) лучи спинного плавника (общее число) : 10 - 11; колючие лучи анального плавника: 0; членистые (мягкие) лучи анального плавника: 10 - 11. Diagnosis: body relatively compact, with short and wide head (body height 4.5-5.85 times and head length 4.25-5.7 times in SL); snout length 2.95-3.75 times in HL; eye small, its diameter 3.85-5.0 times in HL, 1.15-1.45 times in snout length; interorbital distance 2.75-3.15 times in HL; male opercular organ with small, concentric protuberances; dorsal fin origin slightly closer to caudal fin origin than to tip of snout and slightly behind pelvic fin origin; anal fin base 1-1.4 times further from pelvic fins than from caudal fin origin; pectoral fin 1-1.2 times and pelvic fin 1-1.15 times in HL; caudal peduncle short, less than 2 times longer than deep (Ref. 11970).
Life cycle and mating behavior
Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки
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)
Статус Красного Списка МСОП (Ref. 130435)
Угроза для людей
Harmless
Использование человеком
дополнительная информация
инструменты
Специальные отчеты
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [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).
