Bivalves Feeding on Zooplankton

and other

Videos

from work of J. Levinton, J. E. Ward, J. Yen, B. Woodson, D. Frank

all viewable with permission of Jeff Levinton

do not duplicate or crosslink without permission

for further information contact Jeff Levinton levinton@life.bio.sunysb.edu

 

1. Endoscopic views of the rotifer Brachionus plicatilis on various gill tracts of the oyster Crassostrea gigas

Jeffrey Levinton

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2. Endoscopic views of the rotifer Brachionus plicatilis on ventral gill tract of the mussel Mytilus edulis

Jeffrey Levinton

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3. Escape of a copepod from the incurrent in still water generated by an artificial siphon (watch copepod slowly drifting upward, escape is at end)

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Dane Frank, Jeffrey Levinton, Evan Ward, Sandra Shumway

4. Virtual clam siphon - 4 mm diameter, 3 mm/second incurrent flow speed: 4 clips

Ambient flow of 4 cm/sec, first you see rotifers pass by above siphon, but some are captured within 2-3 mm of siphon. Next, copepod is sucked into siphon when it approaches too close to incurrent; next a copepod passes by in ambient flow, and finally another copepod is sucked in much like the first clip.

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Jeannette Yen, Brock Woodson

5. Mytilus edulis particle transport: Mussels are moving polystyrene beads to ventral tract

J. Evan Ward

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6. Mytilus edulis capture of rotifer Brachionus plicatilis in still water

Brock Woodson, Jeffrey Levinton, Jeannette Yen

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7. Mytilus edulis creates flow in still water, but copepods detect change in velocity within 1-3 mm of incurrent aperture and move away suddenly (clip shows two different copepods responding)

Brock Woodson, Jeffrey Levinton, Jeannette Yen

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8. Mytilus edulis captures the rotifer Brachionus plicatilis in ambient flow of 2 cm/s (clips play at approximately half speed)

Brock Woodson, Jeffrey Levinton, Jeannette Yen

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9. Mytilus edulis captures copepods in ambient flow of 2 cm/s (clips play at approximately half speed)

Brock Woodson, Jeffrey Levinton, Jeannette Yen

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