Philometra robusta (Nematoda: Philometridae) from the abdominal cavity of the scribbled toadfish, Arothron mappa from the Philippines

abdomen aguas costeras body cavities bony fishes cavidades esplacnicas coastal waters especies nuevas females femelle filipinas gestation hembra infecciones por nematodos nematoda nematode infections new species parasite parasites philippines poisson osseux pregnancy