Risbecia tryoni 'tailgating'
March 29, 2001
From: Drew Taylor
![](/images/dtrisbcftry3.jpg)
Dear Bill,
Here is a photo of a pair of Risbecia tryoni tailgating. I took it at the Navy Pier, Exmouth, North West Cape, Western Australia, 22 March 2001, in 11 metres of water.
At the same time I found Chromodoris coi laying eggs and a pair of Hypselodoris bullocki mating.
Regards
Drew Taylor
orcaunderwater@nwc.net.au
Thanks Drew,
To those of you not familiar with the term 'tailgating' it is used in Australia, and probably originated in the USA, to describe drivers who drive dangerously close to the car in front of them. I must say Drew, that it is quite a good term for this 'trailing' behaviour seen in most species of Risbecia.
The other interesting thing in your photo is the animal! As I discussed in your message about Chromodoris coi, there are some interesting colour variants and distributions in northwestern Australia, and this is another example. Wells & Bryce (1993) recorded this colour form from northwestern Australia. It will be interesting to see how widespread this colour form is.
Best wishes,
Bill Rudman
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