Nematode found in fish, amphibians, and reptiles; human infections, manifested by gastrointestinal symptoms, are rare and related to consumption of raw fish; larvae are pinkish red.


a genus of nematodes in the family Dioctophymatidae. Found in birds and wild and cultured fish.

Eustrongylides papillosus
found in the esophagus and proventriculus of ducks and geese. Can cause extensive nodule formation.
Eustrongylides tubifex
found in the intestine of anatine birds.
References in periodicals archive ?
Comparison of the metal accumulation capacity between the Acanthocephalan pomphorhynchus laevis and larval nematodes of the genus Eustrongylides sp.
Some populations of the western mosquitofish Gambusia affinis in Texas and Oklahoma are especially prone to infections by the parasitic larval nematode Eustrongylides ignotus (Deaton, 2009).
Eustrongylides ignotus has a complex life cycle with a primary, intermediate (one or more), and terminal host (Frederick et al.
The epizootiology and transmission of Eustrongylides ignotus (Dioctophymatoidea) in intermediate hosts in Florida.
Altered predation susceptibility of mosquitofish infected with Eustrongylides ignotus.
The appearance of distended abdomens is some fishes and subsequent analysis showed heavy infestation of the nematode Eustrongylides sp.
2% 1% 1% 5% Macroderoididae Glypthelmins quieta 0% 0% 26% 0% Macroderoides typicus 37% 40% 12% 62% Paramaroderoides echinus 23% 47% 13% 36% Ochetosomatidae 18% 37% 9% 72% Dasymetra conferta Ochetosoma aniarum Ochetosoma ellipticum Pneumatophilus variabilis Paramphistomatidae 8% 3% 5% 2% Allassostomoides chelydrae Megalodiscus intermedius Telorchidae 15% 8% 10% 80% Auridistomum chelydrae Protenes angustus Telorchis clavi Telorchis corti Nematode Larvae: Dioctophymidae Eustrongylides sp.
With his inadvertent ingestion of this curlicue worm -- from the genus Eustrongylides -- the student joined the small but rapidly growing ranks of Americans who consume live parasites in raw fish delicacies such as sushi and sashimi.