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Redescription of Crepidostomum opeongoensis Caira, 1985 (Trematoda: Allocreadiidae) from fish hosts Hiodon alosoides and Hiodon tergisus (Osteichthyes: Hiodontidae)

Journal of Parasitology

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Abstract

Crepidostomum opeongoensis Caira, 1985 (Trematoda: Allocreadiidae) is redescribed from fish hosts Hiodon alosoides and Hiodon tergisus in southern Manitoba. The redescription adds details regarding the surface morphology and reproductive structures of the parasite not described previously. These include the characteristic tegumental papillae around the oral opening, paired papillae on the ventral and dorsal surfaces of the body, and tegumental bosses on the dorsal surface of the forebody. Crepidostomum opeongoensis co-occurred with its hypothesized sister species, Crepidostomum illinoiense, in all host individuals harboring the former, and both species are characteristic of hiodontids. The association of C. opeongoensis with hiodontids and the absence of hiodontids in Lake Opeongo where C. opeongoensis was originally reported indicate that the Algonquin Park region may have had hiodontids in the past and that the life cycle may be completed at present without the original fish host.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Redescription of Crepidostomum opeongoensis Caira, 1985 (Trematoda: Allocreadiidae) from fish hosts Hiodon alosoides and Hiodon tergisus (Osteichthyes: Hiodontidae)
Series title:
Journal of Parasitology
Volume
86
Issue:
6
Year Published:
2000
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Parasitology
First page:
1305
Last page:
1312
Number of Pages:
8