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Free Content Mesenchymal Tumors of Some Estuarine Fishes of the Northern Gulf of Mexico. II. Subcutaneous Fibromas in the Southern Flounder, Paralichthys Lethostigma, and the Sea Catfish, Arius Felis

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We describe benign subcutaneous mesenchymal fibromas in the southern flounder and in the sea catfish collected in estuarine and marine water of Mississippi. Under the gular membrane of the flounder occurred two pseudoencapsulated tumors, whereas only a single deeply-embedded non-encapsulated one occupied an area at the base of the catfish's anal fin. Because the latter tumor had a chondromatous component, we consider it a chondrofibroma. Tumors from both fish displayed morphological similarities, including tumor cell characteristics. They contained abundant collagen, and both incorporated bony and cartilaginous spicules. The etiology of those from the flounder could be related to a philometrid nematode or a didymozoid trematode. This report represents the first describing tumors from Paralichthys lethostigma and Arius felis and one of the few involving tumors from any fishes in the Gulf of Mexico.

Document Type: Research Article

Publication date: January 1, 1976

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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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