Contracaecum

Garrido-Olvera, Lorena, García-Prieto, Luis & León, Gerardo Pérez-Ponce De, 2006, Checklist of the adult nematode parasites of fishes in freshwater localities from Mexico, Zootaxa 1201, pp. 1-45 : 44

Contracaecum sp.

Body cavity, fat, intestinal wall, intestine, mesentery, serous membrane covering stomach, stomacal wall.

MICHOACÁN: Chapultepec: Allotoca diazi (CNHE 4871); Orandino: Goodea atripinnis (CNHE 4858). NAYARIT: Jesús María Corte: Cichlasoma beani (CNHE 4972, 4973, 4974), Xiphophorus hellerii (CNHE 4971). OAXACA: Miguel Alemán (Temascal): Cathorops aguadulce (CNHE 4964, 4968), Rhamdia sp.(CNHE 4961, 4962, 4963, 4966); Tonto: C. aguadulce (CNHE 4967), Ictalurus furcatus (CNHE 4965, 4969, 4970). TAMAULIPAS: Falcón: Ameiurus sp.(CNHE 4992); Marte R. Gómez: Astyanax sp.(CNHE 4989), Micropterus salmoides (CNHE 4990, 4991); Soto La Marina: Centropomus sp.(CNHE 4988), Gobiomorus sp.(CNHE 4987). VERACRUZ: Papaloapan (Tlacotalpan): Centropomus sp.(CNHE 4994, 4996, 4997), Centropomus undecimalis (CNHE 4956, 4957, 4959), I. furcatus (CNHE 4960).