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1.
Bol. chil. parasitol ; 53(1-2): 38-42, ene.-jun. 1998. tab
Article in Spanish | LILACS | ID: lil-233098

ABSTRACT

The present paper deals with a preliminary study of different larvae of nematoda found in two species of fish Paralichth orbignyanus and Paralichthys patagonicus. In P. orbignyanus the genus Terranova type a was found. Both Anisakis type I and Hysterothylacium were present in P. patagonicus. Different types of larvae belonging to genera Terranova (B and B'), Contracaecum (A and B) and Raphidascaris occurred in both P. patagonicus and P. orbignyanus. The specimens of Nematoda were described and the corresponding morphometric indexes were determined. The abundance of Nematoda obtained in relation to the diet of the flounders led us to conclude that P. orbignyanus feeds basically on crabs and fish, while P. patagonicus has a more diverse diet


Subject(s)
Animals , Ascaridida/isolation & purification , Flatfishes/parasitology , Argentina , Ascaridida/anatomy & histology , Host-Parasite Interactions , Viscera/parasitology
2.
Bol. chil. parasitol ; 48(3/4): 55-7, jul.-dic. 1993. ilus
Article in Spanish | LILACS | ID: lil-135344

ABSTRACT

Se describe una nueva especie de lepocreadium, L. valdiviensis (Digenea) del intestino delgado del lenguado, Paralichthys microps Günther, 1881. difiere de las otras especies del género, principalmente por la distribución de los folículos vitelógenos, los cuales se extienden desde el extremo posterior del cuerpo hasta la ventosa ventral; la porción anterior del cuerpo cubierta con espinas; útero preovárico; ovario y testículos compactos. Este hallazgo extiende la distribución geográfica del género e identifica un nuevo huésped para este taxón


Subject(s)
Animals , Fishes/parasitology , Flounder/parasitology , Trematoda/isolation & purification , Flatfishes/parasitology , Intestine, Small/parasitology , Platyhelminths/isolation & purification , Host-Parasite Interactions/physiology
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