Pleuston are the organisms that live in the thin surface layer existing at the air-water interface of a body of water as their habitat. Examples include some cyanobacteria, some gastropods, the ferns Azolla and Salvinia and the seed plants Lemna, Wolffia, Pistia, Eichhornia crassipes and Hydrocharis. Some fungi and fungi-like protists may be also ...
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http://en.wikipedia.org/wiki/Pleuston
(from the article `marine ecosystem`) ...Salinity). Body architecture varies greatly in marine waters. The body shape of the cnidarian by-the-wind-sailor (Velella velella)—an animal that ... ...organisms on the seafloor. Large floating seaweeds (for example, Sargassum, which constitutes the Sargasso Sea) and various related multice...
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http://www.britannica.com/eb/a-z/p/80
(Gk: pleura side of the body) living on the surface of the water. Some jellyfish like the by-the-wind sailer and Portuguese man-of-war, and some snails live just underneath or on top of the ocean's surface.
Found on
http://www.seafriends.org.nz/books/glossary.htm
Refers to plankton that have a float protruding above the sea surface, such as the Portugese man-of-war.
Found on
https://www.encyclo.co.uk/local/20125
No exact match found.
