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Gelatinous zooplankton are fragile animals that live in the water column in the ocean. Their delicate bodies have no hard parts and are easily damaged or destroyed. Gelatinous zooplankton are often transparent. All jellyfish are gelatinous zooplankton, but not all gelatinous zooplankton are jellyfish. The most commonly encountered organisms include ctenophores, medusae, salps, and Chaetognatha in coastal waters. However, almost all marine phyla, including Annelida, Mollusca and Arthropoda, contain gelatinous species, but many of those odd species live in the open ocean and the deep sea and are less available to the casual ocean observer. Many gelatinous plankters utilize mucous structures in order to filter feed. Gelatinous zooplankton have also been called "Gelata".
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Jellyfish blooms are substantial growths in population of species under the phyla Cnidaria and Ctenophora.
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References
- 1 2 3 4 5 6 NOAA website. Retrieved March 31, 2009.
- ↑ Google Scholar search. Retrieved March 31, 2009.
- ↑ Robin Lloyd, "Ocean 'Gummy Bears' Fight Global Warming," LiveScience, July 20, 2006, found at Live Science website. Retrieved March 31, 2009.
- ↑ For example, one area of his research found that salps' fecal pellets may be aggravating global warming. See Kate Melville, "Jellyfish Squish Greenhouse Dogma," July 3, 2006, Lay summary at Science A Go Go website. Retrieved March 31, 2009.
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