Ctenodrilus cf. serratus (Schmidt 1857)

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Status
Rare, Alien?

Description

Simple body plan, resembles clitellate. ctenodrilis sp003_watermarkedBody translucent, skin with black-brown spotsreddish-brown intestine visible. Nuchal organs visible as large ciliated pits lateral on prostomium. Noto- and neurochaetae identical, slightly bent and broadened distally, 4 – 7 teeth.

1.5 – 2.2 mm

Ecology
Intertidal, sediment (often in aquaria). In South Africa on oysters from on-shore pond culture.

Distribution
South Africa: northwest coast
English Channel, North Sea (Type locality France), Mediterranean, Japan, New Zealand, Caribbean, Baja California.

Notes
Amphi-Atlantic distribution confirmed. Too few individuals found in SA to confirm identity.

Citation: Simon C. A. and van Niekerk S. E. (2012), Ctenodrilus cf. serratus (Schmidt 1857) modified May 2015, The Simon Polychaete Lab- http://thesimonpolychaetelab.com/non-shell-infesting/ctenodrilus-cf-serratus-schmidt-1857/, Date Accessed:June 24, 2019.