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Salp emitting a jet wake.

Salp emitting a jet wake.
Salp emitting a jet wake.
Salp emitting a jet wake.
Salp emitting a jet wake.
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333978
Rakow Sutherland, Kelly C.
Salp emitting a jet wake.
Still Image
04/18/2006
Salp_Jet_2.jpg
A jet wake produced by the salp, /Cyclosalpa affinis/. Salps, or pelagic tunicates, are relatively common gelatinous organisms in oceanic waters. They swim by jet propulsion, drawing water in through an incurrent siphon and ejecting the water out an excurrent siphon at the opposite end of the body. The jet wake in the image was made visible using fluorescein dye during a night, bluewater SCUBA dive.
Image of The Day caption:
The image above shows a "jet wake" produced by a salp (also called a pelagic tunicate), a relatively common gelatinous animal in oceanic waters. Salps swim by jet propulsion, drawing water in through a front opening and ejecting the water out through an opening at the opposite end of the body. MIT/WHOI Joint Program student Kelly Rakow Sutherland studies the locomotion of these fragile plankton animals at the Liquid Jungle Lab in Panama. The jet wake in this image was made visible using a harmless green dye during a nighttime, open water scuba dive.
Photo by Kelly Rakow Sutherland
© Woods Hole Oceanographic Institution
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