Colour variation in Costasiella usagi [1]

January 15, 2004
From: C. Carlson & P. Hoff

Bill,
Following our last message I am sending a few photos of Costasiella usagi showing colour variation. None really tell
the whole picture, but together they may make some sense. In this message is a photo of two animals on their food algae Avrainvilla. There are further variations in a second message

Upper photo shows the two together.
4.5mm (dark form), 6.0mm (light form); Cocos Lagoon, Guam. 25 January 1989. On Avrainvilla

Clay & Patty Jo

ccarlson@kuentos.guam.net

Carlson, C. & Hoff, P., 2004 (Jan 15) Colour variation in Costasiella usagi [1]. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11916

Dear Clay & Patty Jo,
Thanks very much for the photos in both your messages. When we compare the animals in your photos with the one in Nils Anthes message it shows how dangerous it is to describe new species from very few animals.
Best wishes
Bill Rudman

Rudman, W.B., 2004 (Jan 15). Comment on Colour variation in Costasiella usagi [1] by C. Carlson & P. Hoff. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11916

Factsheet

Costasiella usagi

Related messages

  1. Colour variation in Costasiella usagi [2]
    From: C. Carlson & P. Hoff, January 15, 2004
  2. Costasiella sp. 4 is C. usagi
    From: Clay & Patty Jo, January 12, 2004
  3. Costasiella sp. 4 from Lizard Island, Qld.
    From: Nils Anthes, January 10, 2004

Show factsheet and all related messages