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Osteoglossiformes
Osteoglossiformes (subclass Actinopterygii, superorder Osteoglossomorpha) An order of freshwater fish that includes several families with fossil relatives. All have a single, soft-rayed, dorsal fin, low-placed pectoral fins, small, midventral, pelvic fins, and a long-based anal fin. The order includes the Notopteridae (featherback), Hiodontidae (mooneye), Osteoglossidae (bony tongue), and Pantodontidae (butterfly fish).
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MICHAEL ALLABY. "Osteoglossiformes." A Dictionary of Zoology. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "Osteoglossiformes." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O8-Osteoglossiformes.html MICHAEL ALLABY. "Osteoglossiformes." A Dictionary of Zoology. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Osteoglossiformes.html |
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Mormyriformes
Mormyriformes (subclass Actinopterygii, superorder Osteoglossomorpha) An order of primarily nocturnal freshwater fish that have small eyes and mouth and varying body profile. Several genera (e.g. Mormyrus and Gymnarchus) have electric organs capable of producing weak electric discharges.
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Cite this article
MICHAEL ALLABY. "Mormyriformes." A Dictionary of Zoology. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "Mormyriformes." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O8-Mormyriformes.html MICHAEL ALLABY. "Mormyriformes." A Dictionary of Zoology. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Mormyriformes.html |
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