Re: Thecacera? or Polycera? species - From Ratnagiri, India

May 11, 2009
From: Vishal Bhave


Concerning message #7813:

This was found in a rockpool, suspended upside down at the surface.

Locality: Rocky patch, Mandavi, Ratnagiri, 0 Feet, Maharashtra, India, Arabian sea, 27 October 2008, Intertidal, rocky, with lots of algae, sponge, hydrozoans and bryozoans and in some rock pools corals (Carijoa sp.). Length: 9 mm. Photographer: Vishal Bhave.

Vishal Bhave

vishalbhave@gmail.com

Bhave, V.J., 2009 (May 11) Re: Thecacera? or Polycera? species - From Ratnagiri, India. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22423

Dear Vishal,

This is the ubiquitous Thecacera pennigera. First described from the North Atlantic we now have records of it from many places around the world. As a bryozoan feeder, we assume it has spread on the bottom of boats or perhaps in ballast water. There is an old record from Pakistan but as far as I can find none as yet from India, so this is a valuable find.

Best wishes,
Bill Rudman

Rudman, W.B., 2009 (May 11). Comment on Re: Thecacera? or Polycera? species - From Ratnagiri, India by Vishal Bhave. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22423

Factsheet

Polycera quadrilineata

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