Adaptive behaviours of the jellyfish Aurelia labiata in Roscoe Bay on the west coast of Canada
Abstract
Four behaviours of mature Aurelia labiata medusae (Scyphozoa) were observed. Touching the manubrium with a soft, hollow, silicone rubber ball or a foam rubber ball caused medusae at a depth of 1 m to swim to the surface. Dense aggregations of medusae did not form within 5 m of rock walls. Medusae did not swim into water with salinity < 20 parts per thousand. Sunlight-stimulated directional swimming was to the west. These behaviours add to a growing list of adaptive behaviours of Aurelia labiata medusae.
- Publication:
-
Journal of Sea Research
- Pub Date:
- April 2008
- DOI:
- 10.1016/j.seares.2007.11.002
- Bibcode:
- 2008JSR....59..198A