Modern videography provides an ever-widening window into subsea echinoderm life with vast potential for new knowledge. Supported by video evidence throughout, this Element begins with time-lapse video made in 1983 on film, using an off-the-shelf camera, flash, and underwater housings. Although quality has now been significantly improved by digital imagery, films from over thirty years ago captured crinoid feeding behavior previously unknown and demonstrated a great potential to learn about many other aspects of their biology. This sequence is followed by several examples of recent digital videography from submersibles of deep-sea crinoids and remotely operated vehicles (ROVs) (stalked and unstalked), as well as close-up video of crinoids in aquaria. These recent studies enabled a new classification of crinoid arm postures, provided detailed views of food particle capture, and revealed a wide range of behaviors in taxa never before seen in life.
- Underwater video capturing behaviors of deep-sea crinoids
- New behaviors never been seen from crinoids
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Product details
- Date Published: June 2021
- format: Paperback
- isbn: 9781108810074
- length: 22 pages
- dimensions: 229 x 151 x 2 mm
- weight: 0.051kg
- availability: Available
Table of Contents
1. Feather Stars at Lizard Island, Great Barrier Reef (14O 38' S, 145O 30'E)
2. Arm Postures in Living Crinoids
3. Mechanism for Particle Interception and Transport in Comatulid Crinoid Florometra Serratissima: Presenting a Range of Particle Sizes from Mesocosm Observations
4. Feeding Postures in a Pentacrinoid Florometra and Responses of Democrinus (Bourgeticrinidae) and Cenocrinus (Isocrinidae) to Increased Current.
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Authors
David Meyer, University of Cincinnati
Margaret Veitch, University of Michigan
Charles G. Messing, Nova Southeastern University
Angela Stevenson, University of British Columbia, Vancouver and GEOMAR