Petalifera ramosa from New South Wales

December 3, 1999
From: Ron Greer


Dr Bill Rudman,

I am a amateur u/w photographer that has just finished a two week diving holiday (with my buddy Mrs Melinda Hutchison) from Port Stephens to Eden on the New South Wales coast. The majority of dives were at Fly Point in Port Stephens where I found the best variety of sea slugs I have seen there in years. There were three things that I photographed there that maybe of interest to you.

One is the sea hare Petalifera ramosa [see page 149 in Helmut Debelius' book Nudibranchs and
Sea Slugs. This publication states the distribution to be Japan to Indonesia. Port Stephens maybe a range extension?

We found quite a few at night high in the sea weed in about 5-8 metres on 21 Nov 99.

I hope this information is of use and await your reply.

Regards
Ron Greer

diveimage@i-o.net.au

Greer, R., 1999 (Dec 3) Petalifera ramosa from New South Wales. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1635

Dear Ron,
Thanks for the photo. Yes this is Petalifera ramosa which was first described from Japan. I certainly haven't any reliable records of it from New South Wales so this is an interesting find. I have found it in New Caledonia and suspect it is probably widespread in at least the the west Pacific and probably the Indian Ocean as well.

Can you give me any indication on how long the animals were?

Best wishes,
Bill Rudman.

Rudman, W.B., 1999 (Dec 3). Comment on Petalifera ramosa from New South Wales by Ron Greer. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1635

Factsheet

Petalifera ramosa

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