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Free Content Cestode Larvae from Scyphomedusae of the Gulf of Mexico

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Abstract:

Two types of plerocercoid are known to infect Scyphomedusae of the Gulf of Mexico. A single tetraphyllidean-like plerocercoid was found in a lappet of a deep-water coronate medusa (Periphylla periphylla). A second type of cestode larva commonly infects the cabbagehead rhizostome jellyfish Stomolophus meleagris in coastal waters of Texas, Louisiana, and Mississippi. The parasite of Stomolophus has an inverted scolex, which is often everted and used in grasping host tissues when burrowing. The inverted scolex is covered with short spinous projections 21µ-41µ high. Similar larvae are known to infect two rhizostome species from the Indo-Pacific and are also known to be found encysted in the gastric and intestinal walls of deep-sea fishes of the family Macrouridae. The plerocercoid that infects Stomolophus is easily maintained in the laboratory and its behavior studied, using both host tissues and seawater agar as substrates.

Document Type: Research Article

Publication date: September 1, 1973

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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