Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser benthopelagisch. Subtropical; 23°S - 27°S
Africa: restricted to the southern tributaries of the Limpopo, and the Incomati and Phongolo Rivers (Ref. 52193, 108777).
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 58.5 cm TL Männchen/unbestimmt; (Ref. 2801); max. veröff. Gewicht: 6.8 kg (Ref. 52193)
Rückenflossenstacheln (insgesamt) : 4; Rückenflossenweichstrahlen (insgesamt) : 8; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 8.
A cool-water species not found below 600m altitude; occurs in deep pools and flowing waters of permanent rivers and in dams (Ref. 52193). It feeds primarily on algae in winter months and aquatic insects in summer months, but also takes mussels, snails, crabs and small fish (Ref. 52193). Breeds during spring and summer, males maturing at a smaller size (170 mm FL) than females (300 mm FL); females grow larger than males (Ref. 7248, 52193).
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
Skelton, P.H., 2001. A complete guide to the freshwater fishes of southern Africa. Cape Town (South Africa): Struik Publishers, 395 p. (Ref. 52193)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell; Sportfisch: ja
Tools
Zusatzinformationen
Download XML
Internet Quellen
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.51 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).
