Gilchristella aestuaria (Gilchrist, 1913) Recherche rapide

Attributs

  • DISTRIBUTION: Lien Faunafri
  • Colour pattern : Musschoot et al., 2021 | Skelton, 1993b | Skelton, 2001 | Whitehead, 1963 .
  • Common names : Rivier-rondeharing / Witaas (Afrikaans), Herink jihoafricky (Czech), Gilchrists rundsild (Danish), Estuarine round-herring / Gilchrist's round herring / Whitebait (English), Estuaariheeringas (Estonian), Szprocik malgaski (Polish) .
  • Condition / length-weight relationship : Harrison, 2001 .
  • Current distribution known : south-west to south-east African coastal systems. Ranging from Namibia to at least Maputo, Mozambique .
  • Distribution_references : Fricke et al., 2018 | Musschoot et al., 2021 | Skelton, 1993b | Skelton, 2001 | Whitehead, 1963 | Whitehead, 1985 .
  • Ecology : Wallace & van der Elst, 1975 .
  • Food habits / trophic level : feeds chiefly on zooplankton by filtering or selecting individual organisms from the water column .
  • Food habits / trophic level_references : Bennett, 1989 | Cyrus et al., 1993 | Skelton, 1993b | Skelton, 2001 | Talbot & Baird, 1985a | White & Bruton, 1983 | Whitfield, 1998 | Whitfield & Harrison, 1996 .
  • Genetics : Lavoué et al., 2013 .
  • Habitat / home range : present in open and closed estuaries, lower reaches of some large rivers just above estuary heads and some permanent coastal, freshwater lakes. It can tolerate salinities under 4 ppt and of up to 52.6 ppt .
  • Habitat_references : Whitehead, 1985 | Whitfield, 1998 .
  • Migration / movement : Wallace, 1975a .
  • Morphology / anatomy : Blaber et al., 1981 | Musschoot et al., 2021 | Skelton, 1993b | Skelton, 2001 | Talwar & Whitehead, 1971 | Whitehead, 1963 | Whitehead, 1985 .
  • Ontogeny : Haigh & Whitfield, 1993 .
  • Oxygen / hypoxia / anoxia : Talbot & Baird, 1985b .
  • Phylogeny : Lavoué et al., 2013 .
  • Production : Whitfield & Harrison, 1996 .
  • Reproduction : breeds throughout the year with a peak in spring and early summer. Maturity may be attained within the first or second year and an age of up to 5 or 6 years is recorded .
  • Reproduction_references : Cyrus et al., 1993 | Skelton, 1993b | Skelton, 2001 | Wallace, 1975b | Whitfield, 1990 | Whitfield, 1998 .
  • Size : 90 mm SL .
  • Types :
    • Spratelloides aestuarius Gilchrist, 1913: 55, fig. Type locality: "Zwartkopsriver. Port Elisabeth" Syntypes SAM n° 10825 (14); the specimen SAM n° 10823 "Buffalo river, East London" might be an additional syntype.
  • Use and trade : utilized fresh or dried and salted .