larval contracaecum sp. (nematoda: anisakidae) in hoplias malabaricus and hoplerythrinus unitaeniatus (osteichthyes: erythrinidae) of economic importance in occidental marshlands of maranhão, brazil. | this work describes the presence of contracaecum sp. larvae (nematoda: anisakidae) found in food fish of economic importance captured in occidental marshlands in the state of maranhão, brazil. hoplias malabaricus (erythrinidae) and hoplerythrinus unitaeniatus (erythrinidae), commonly called "traíra" and "jejú", respectively, were examined. all h. malabaricus were infected with a mean intensity of 24.6+/-38.3 (1-137 parasites per host) while eighty percent of h. unitaeniatus showed a mean intensi ... | 2004 | 15619375 |