Hypselodoris apolegma from west Malaysia

October 31, 2002
From: Kheong Sann Chan


Dear Bill,
In June I had another great dive trip to Pulau Dayang off the east coast of west Malaysia. It seems to me that the nudibranchs are getting more and more plentiful at Dayang. Normally I would see nudis occasionally here and there. On this trip, I would come across a rock which had maybe 5 or 6 conspicuously visible nudis on it, maybe more hidden around. Here is the first of several messages about our purple friend which I mistook for H. bullocki before. One of them was flapping it's mantle up and down as it moved like Chromodoris kuniei does, but only in the front instead of all around. I managed to get a peep under it's hood.

Location: Dayang, Pinnacles
Date: 8 June, 0800
Depth: 20m

Kheong Sann Chan

kschan@mail.dsi.nus.edu.sg

Chan, K.S., 2002 (Oct 31) Hypselodoris apolegma from west Malaysia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/7207

Thanks Kheong,
It certainly wasn't a mistake to identify this animal as H. bullocki. As I have discussed a number of times, and again today, I still have my doubts about whether it is a good species or not. If you ever see 'typical' H. bullocki and H. apolegma together again, as in an earlier message of yours, it may be worth seeing if you can get the two 'species' to take a romantic interest in each other
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Oct 31). Comment on Hypselodoris apolegma from west Malaysia by Kheong Sann Chan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/7207

Factsheet

Hypselodoris apolegma

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