Hypselodoris bullocki mating - W. Australia

March 28, 2001
From: Drew Taylor

Dear Bill,
At the same time I found Chromodoris coi laying eggs [22 March 2001, Navy Pier, Exmouth, North West Cape, Western Australia, 11 metres of water], I also observed this pair of Hypselodoris bullocki mating beside two sets of egg ribbons. The following day I again dove the Pier and found one of the Hypselodoris bullocki still in the same spot laying another ribbon.

Regards
Drew Taylor

orcaunderwater@nwc.net.au

Taylor, D., 2001 (Mar 28) Hypselodoris bullocki mating - W. Australia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/4043

Thanks Drew,
These animals are the same colour pattern as in your earlier message, supporting my feeling that this is a northwestern Australian colour form - though photos proving me wrong are very welcome. The egg ribbon photos are also very interesting. I have been asking for egg ribbon photos in the hope that there might be some obvious differences in colour or shape to correlate with body colour. However looking through the Forum messages I think 3 colour forms have this yellow coloured egg mass. Which only goes to prove that there is seldom a simple answer.
Best wishes and many thanks,
Bill Rudman

Rudman, W.B., 2001 (Mar 28). Comment on Hypselodoris bullocki mating - W. Australia by Drew Taylor . [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/4043

Factsheet

Hypselodoris bullocki

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