Pomadasys olivaceus (Day, 1875) Recherche rapide

Attributs

  • DISTRIBUTION: Lien Faunafri
  • Colour pattern : McKay, 1984 .
  • Common names : Varkie (Afrikaans), Olivengryntefisk (Danish), Grunter / Olive grunt / Olive grunter / Piggy / Pinky (English), Oliivivärviline uriseja (Estonian), Goret olive (French), Roncador oliva (Portuguese), Matako (Somali: Somalia), Corocoro aceituna (Spanish), Dhother / Kumpo (Swahili: Tanzania) .
  • Condition / length-weight relationship : Harrison, 2001 | Torres, 1991 .
  • Current distribution known : found along the east coast of Africa (including Madagascar), and from the Gulf of Aden to Pakistan, India and Sri Lanka .
  • Distribution_references : McKay, 1984 | Whitefield, 1998 .
  • Food habits / trophic level : in South African estuaries, juveniles feed mainly on amphipods, with polychaetes, small crabs and prawns also being important. Within the sea, juveniles forage on shrimps, penaeid prawns, polychaetes and mysids. Adults consume mainly stomatopods, small fish, shrimps, penaeid prawns and crabs .
  • Food habits / trophic level_references : Whitefield, 1998 .
  • Habitat / home range : although it is generally confined to the lower half of estuaries, stragglers have been recorded from the upper reaches of the Knysna and Swartvlei systems where salinities often decline below 10 %o. The piggy is sensitive to rapid changes in temperature, with extensive mortalities having been recorded when cold upwelling events occur along the coast .
  • Habitat_references : McKay, 1984 | Whitefield, 1998 .
  • Morphology / anatomy : McKay, 1984 | Whitefield, 1998 .
  • Reproduction : in South Africa, it matures at approximately 14 mm FL. Spawning takes place in deep water and the breeding season is prolonged (March-December) .
  • Reproduction_references : Whitefield, 1998 .
  • Size : 550 mm TL .
  • Types :
    • Pristipoma olivaceum Day, 1875: 73, pl. 19, fig. 1. Type locality "coasts of Belootchistan and Sind". No information on the type.