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Phylum Ctenophora
• The comb jellies, or ctenophores are
exclusively-marine
• NO nematocysts (not Cnidarians); instead of
stinging cells, ctenophores possess sticky cells,
or colloblasts
• 8 rows of cilia; Ctenophore
literally means “comb bearer”
• ‘Boom and bust’ population
dynamics
Phylum Ctenophora
• Most species are bioluminescent
• Voracious feeders on copepods, fish eggs, crab
larvae, shrimp larvae and other
meroplankton
• Self-fertilizing hermaphrodites
• Can double in size in 1 day!
• Important secondary consumers
in Long Island estuaries
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