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1 October 2011 Two New Species of Haliotrema (Monogenoidea: Dactylogyridae) from Cirrhitus rivulatus (Perciformes: Cirrhitidae) from the Pacific Coast of Mexico
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Abstract

During surveys of helminth parasites of marine fishes from the Pacific coast of the Guerrero State in Mexico, 2 undescribed species of Haliotrema Johnston and Tiegs, 1922 (sensu Young, 1968) (Dactylogyridae) were found infecting the gills of the giant hawkfish Cirrhitus rivulatus Valenciennes, 1846 (Perciformes, Cirrhitidae), i.e., Haliotrema cirrhitusi n. sp. and Haliotrema pollexinus n. sp. The new species are similar with respect to the morphology of the anchors with base–shaft junction crazed, hinged, or both; dorsal anchors with an elongate superficial root; a tubular male copulatory organ (MCO) with a cylinder-shaped base diagonally opening; and a membranous accessory piece, shaped like a vane, encircling MCO to form 2 complete spirals from the anterior margin of base to the terminal portion of the MCO. While H. cirrhitusi and H. pollexinus differ from all other species of the genus in the general morphology of the copulatory complex, only H. pollexinus notably differs from all these species in having a superficial, blade-like projection from the inner surface on the distal shaft of anchors. Haliotrema cirrhitusi and H. pollexinus are the only members of the genus recorded in the Mexican Pacific and from a cirrhitid host.

American Society of Parasitologists
Edgar F. Mendoza-Franco and Juan Violante-González "Two New Species of Haliotrema (Monogenoidea: Dactylogyridae) from Cirrhitus rivulatus (Perciformes: Cirrhitidae) from the Pacific Coast of Mexico," Journal of Parasitology 97(5), (1 October 2011). https://doi.org/10.1645/GE-2719.1
Received: 8 December 2010; Accepted: 1 April 2011; Published: 1 October 2011
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