Nembrotha chamberlaini feeding [2]

August 25, 2008
From: Marcel Tanke

Concerning message #21651:

Hi Bill,
During our recent trip to Anilao we saw several more Nembrotha chamberlaini feeding on the same blue ascidian Rhopalaea; all through the 'mouth' opening of the Rhopalaea.

We saw even more N. chamberlaini feeding on the ascidian Clavelina. Some were devouring it 'head on'. In the middle pictures you can see the oral tube of N. chamberlaini extended into the 'stem' of the Clavelina, the 'head' apparently has been eaten.

Locality: Anilao, 10-15 meter, Philippines, 13 July 2008. Length: 10 cm. Photographer: Marcel Tanke.

Best regards,
Marcel

marceltanke@cs.com

Tanke, M.A., 2008 (Aug 25) Nembrotha chamberlaini feeding [2]. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21798

Dear Marcel,

Thanks Marcel for these valuable photos. I am pretty sure this is a colonial ascidian which Gosliner, Behrens & Williams (1996) identify as Oxycorynia fascicularis. The 'head' is in fact a cluster of zooids. In that book, this species and Nembrotha lineolata are both reported to feed on Oxycorynia fascicularis, so it's nice to get a photographic record of it doing this.

  • Gosliner, T.M., Behrens, D.W. & Williams, G.C. 1996. Coral Reef Animals of the Indo-Pacific. Sea Challengers: Monterey, Calif. 1-314.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Aug 25). Comment on Nembrotha chamberlaini feeding [2] by Marcel Tanke. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21798

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