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Crinoid Feeding Strategies

New Insights From Subsea Video And Time-Lapse

David Meyer (University of Cincinnati) Margaret Veitch Charles G. Messing Angela Stevenson

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English
Cambridge University Press
24 June 2021
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.

By:   , , ,
Imprint:   Cambridge University Press
Country of Publication:   United Kingdom
Dimensions:   Height: 229mm,  Width: 151mm,  Spine: 2mm
Weight:   51g
ISBN:   9781108810074
ISBN 10:   1108810071
Series:   Elements of Paleontology
Pages:   75
Publication Date:  
Audience:   Professional and scholarly ,  Undergraduate
Format:   Paperback
Publisher's Status:   Active
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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