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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Psammogobius: Greek, psammos = sand + Latin, gobius = gudgeon (Ref. 45335).
More on author: Smith.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; brak water demersaal. Subtropical
Southeast Atlantic and Western Indian Ocean: South Africa.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 3.0 range ? - ? cm
Max length : 7.5 cm TL mannelijk / geslacht onbekend; (Ref. 11344)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 9 - 10; Anale stekels: 1; Anale zachte stralen: 9 - 11. Body grey to brown in color, with white and brown spots on back; thin white bars on side; 3-6 elongate dark brown spots on midside; males with black spot on rear of 1st dorsal fin (Ref. 2798).
An estuary sand dweller occurring in tidal parts of rivers (Ref. 4343).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Maugé, L.A., 1986. Gobiidae. p. 358-388. 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. 4343)
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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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00653 - 0.02113), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.3 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).
