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Crossota alba

Crossota alba
Crossota alba
Crossota alba
Crossota alba
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336954
Madin, Laurence
Crossota alba
Still Image
01/07/2009
graphics/Jellyfish/2.jpg
Featured in the Open Ocean Jellies poster, available at the Ocean Science Exhibit Center.
Info from poster:
Probably the most familiar jellies are jellyfish, such as this one?technically called medusae, and belonging to two divisions of the phylum Cnidaria. Jellyfish are predators that use tentacles studded with stinging cells to catch and kill their prey, usually smaller zooplankton or fish. Although jellyfish have a very simple body structure, with no central nervous system, all have evolved efficient ways to catch their food. They swim by jet propulsion, and many are capable of complex migration patterns. In many species, the medusa is a stage that alternates with another form that lives attached to the bottom.
Image of The Day caption:
The jellyfish Crossota alba. Delicate jellyfish such as this thrive in the deep sea, where no wind, waves, or turbulence threaten to tear them apart, and are successful predators in spite of their fragility. In the quiet, dark environment this transparent, inch-wide animal sits motionless, with stinging tentacles arranged like fishing lines in a circle, and waits to encounter prey--ambushing, rather than stalking its food. This photo and others are featured in the Open Ocean Jellies poster, available at the WHOI Ocean Science Exhibit Center.
Photo by Larry Madin
© Woods Hole Oceanographic Institution
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