Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; zoet water; brak water; diepte 0 - ? m. Subtropical
Western Indian Ocean: coastal waters and estuaries of South Africa, from Cape of Good Hope east and north to False Bay, Natal and St. Lucia coast of North Zululand (Ref. 6798); and to Lake Piti in southern Mozambique (Ref. 4164).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 8.0 range ? - ? cm
Max length : 16.0 cm TL mannelijk / geslacht onbekend; (Ref. 4164)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 14 - 17; Anale stekels: 0; Anale zachte stralen: 15 - 16.
Found in coastal waters and estuaries (Ref. 4164, 5213), also enters freshwater (Ref. 6798).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Collette, B.B., 1986. Hemiramphidae. p. 163-164. In J. Daget, J.P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 6798)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 18.9 - 26.3, mean 24.9 °C (based on 28 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00115 - 0.00574), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.1 ±0.1 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
