Clitellata | Rhynchobdellida
Snoeijs, P., K. Mo and S. Statens. 1987. (Ref. 95961)
Size / Weight / Age
Benthic; freshwater; brackish
Climate / Range
Northeast Atlantic: Sweden.
In the Baltic Sea, generally inhabits the marine region (Ref. 95752). Both infaunal and epifaunal on Zostera eelgrass (Ref. 95819). Adults, when not attached to a host, is free living, possibly on and beneath stones and macrophytes (Ref. 95835). Semi-mobile; parasitic (Refs. 95728, 95752). Members of the class Clitellata are copulating hermaphrodites. The clitellum, their distinctive feature from polychaetes, serves as a tool in reproduction. It secretes mucus for copulation and forms a cocoon where eggs and albumen are deposited. Life cycle: Zygotes develop in the cocoon and emerge as juveniles which later develop into adults (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models