Constribución al estudio faunístico de celenterados y ctenóforos del plancton estuarino del noroeste de México

Abstract

A CHECK LIST OF COELENTERATES AND CTENOPHORES, RECORDED FROM 1968 TO 1978 NOTES ON THEIR PREDATORY ROLE ON THE PLANKTON REALM IS PRESENTED. NINE ORDERS, 10 FAMILIES AND 17 GENERA WERE IDENTIFIED FROM WHICH ONLY 8 SPECIES WERE VERIFIED. SERIOUS IMPACT IN THE TROPHIC NET IS PRODUCED BY THIS FAUNA: THE HYDROMEDUSES FEED MOSTLY ON THE MICROZOOPLANKTON; THE SIPHONOPHORES FEED ON THE ICHTHYOPLANKTON AND THE SCYPHOMEDUSES AND CTENOPHORES ARE SEVERE PREDATORS ON THE ZOOPLANKTON COMMUNITIES.