Medina Ríos, Sergio

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    Metazoan parasites of Groupers (Epinephelinae, Pisces) from Puerto Rico
    (2008) Medina Ríos, Sergio; Bunkley Williams, Lucy; College of Arts and Sciences - Sciences; Santos Flores, Carlos J.; Williams, Ernest H.; Department of Biology; Weil Machado, Ernesto F.
    The subfamily Epinephelinae (Groupers) is a major group of commercially important fishes of the world with 19 species reported from Puerto Rico. The goal of the present study was characterize the diversity of parasites that affect groupers in Puerto Rico. A total of 54 species of parasites were found in 116 individual from 16 species of groupers. This study reports 27 new host records. Twenty two species of Digenea from the orders Azygiida, Echinostomida, Opisthorichiida, Plagiorchiida and Strigeata were identified. Six species of Monogenea from the families of Diplectanidae, Capsalidea, Dactylogyridae and Mycrocotylidae were collected. The monogenean Pseudorhabdosynochus kritskyi showed a high affinity for the genus Mycteroperca. Five species of Cestoda from the order Tetraphyllidea, Trypanorhynchas, Trepanorhynchida, and Caryophyllaeidae were collected. Scolex pleuronectis, was the most abundant and three different species groups were found. A total of five species of Nematoda from the Families Anisakidae and Cucullanidae were collected. Anisakis simplex was the most prevalent with a large infection on Mycteroperca venenosa. One leech Trachelobdella lubrica was the only species of this group. I identified six species of copepods from two families, Caligidae and Hatschekiidae. Lepophtheirus bermudensis from Mycteroperca venenosa is reported as a new host record. I collected nine species of Isopoda from the five families. Gnathia sp. was the most abundant isopod found.