Encyclopedia of Parasitology

2016 Edition
| Editors: Heinz Mehlhorn

Opisthorchis species

Reference work entry
DOI: https://doi.org/10.1007/978-3-662-43978-4_2230

Name

Greek: opisthos = behind, orchis = testis, gonad.

General Information

Clonorchis,  Digenea.

Classification

Genus of  Digenea.

Important Species

See Table 1.
Opisthorchis species, Table 1

Important species of the genus Opisthorchis

Species

Final host/habitat

Size of adults (mm)

Size of eggs (μm)

First intermediate hosta

Second intermediate hostb

Prepatent period (weeks)

Opisthorchis (Clonorchis) sinensis

Humans, fish-eating mammals/bile ducts

10–25

15 × 30

Bulimus spp. (Bithynia spp.)

Fish (cyprinids/salmonids)

2–2.5

O. felineus (O. tenuicollis)

Humans, fish-eating mammals/bile ducts

5–12

11 × 30

Bulimus spp.

Fish (cyprinids/salmonids)

2–3

O. viverrini

Humans, cats/bile ducts

4–9

15 × 30

Bulimus spp.

Fish (cyprinids)

2–3

aSeveral other species of gastropods may become first intermediate host

bThere is no reproduction either in the true second intermediate hosts or on water plants

Distribution

See Fig. 1.
Opisthorchis species, Fig. 1

Distribution map of Opisthorchis felineus (grey) and Opisthorchis (Clonorchis) sinensis (dotted)

Life Cycle

 Digenea, Fig. 8.

Morphology

 Digenea, Fig. 3.

Diseases

Therapy

Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Institut für Zoomorphologie, Zellbiologie und ParasitologieHeinrich-Heine-UniversitätDüsseldorfGermany