Environment: milieu / climate zone / depth range / distribution range
Ekologi
laut; air tawar; payau. Subtropical; 27°S - 35°S
Southeast Atlantic: restricted from Lüderitz, Namibia to northern Natal, South Africa.
Length at first maturity / Size / Weight / umur
Maturity: Lm 4.0  range ? - ? cm
Max length : 11.0 cm SL jantan/; (Ref. 7248)
Duri punggung (Keseluruhan (total)) : 6 - 9; duri punggung lunak (Keseluruhan (total)) : 11 - 15; Duri dubur: 1; Sirip dubur lunak: 15 - 18. Body silvery and translucent with a midlateral band; dusky upper surface (Ref. 4125).
Forms schools along the coast and in estuaries, especially during spring (Ref. 3302). Also found in coastal lakes (Ref. 7248). Small individuals filter out small organisms such as phytoplankton and rotifers. Above 3.5 cm TL, it feeds mostly on crustaceans especially amphipods taken from the water column as well as off the bottom. Preyed upon by fishes and birds (Ref. 7248).
Skelton, P.H., 1993. A complete guide to the freshwater fishes of southern Africa. Southern Book Publishers. 388 p. (Ref. 7248)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: perikanan swasembada; umpan: usually
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Preferred temperature (Ref.
123201): 14.3 - 23.9, mean 19.5 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00426 - 0.01415), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.46 se; based on food items.
Daya lenting (Ref.
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).