LEPORINUS OBTUSIDENS PDF

ABSTRACT. The piava (Leporinus obtusidens) is a migratory freshwater fish. There is relatively little information on the hematological and morphological. Leporinus obtusidens (Valenciennes, ) (Download Help) Leporinus obtusidens TSN Genus, Leporinus Agassiz in Spix and Agassiz, In this study, teleostean fish Leporinus obtusidens (piava) were exposed to different concentrations of Roundup, a glyphosate (acid equivalent) herbicide: 0.

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Leporinus obtusidens : fisheries, aquaculture, gamefish

Acetylcholinesterase AChE activity was verified in brain and muscle tissues. In other projects Wikimedia Commons Wikispecies. Entered by Torres, Armi G.

Phylogenetic diversity index Ref. Levels of ammonia in both tissues increase in fish at all glyphosate concentrations.

Cordiviola de Yuan, E. By using this site, you agree to the Terms of Use and Privacy Policy. Freshwater; benthopelagic; potamodromous Ref.

Megaleporinus obtusidens Conservation status.

Differs from Leporinus amblyrhynchusL. The common name boga is applied to many other species of fish, usually unrelated to this one. This species is also known by the technical synonym Curimatus obtusidens.

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Metabolic parameters in the liver and muscle lactate, glycogen, glucose, protein, and ammoniaas well as some hematological parameters, were determined. Results indicated that AChE activity significantly decreased in the brain of fish exposed to all glyphosate concentrations tested, but in obtusidenz muscle this parameter was not altered.

Retrieved from ” https: Articles with ‘species’ microformats Articles with Spanish-language external links. In addition, fish exposed to all glyphosate concentrations showed a significant increase in hepatic glycogen and glucose, but a significant reduction in muscle glycogen and glucose. Can be further distinguished from Leporinus muyscorum by having six or seven lepornus rows between lateral line and dorsal-fin origin vs.

This page was last edited on 22 Marchat Main reference Upload your references References Coordinator: In this study, teleostean fish Leporinus obtusidens piava were exposed to different concentrations of Roundup, a glyphosate acid equivalent herbicide: Collaborators Pictures Stamps, Coins Misc. The larger fish probably belong to other species of Leporinus either L. Curimatus obtusidens Valenciennes, Leporinus silvestrii Boulenger, Leporinus aguapeiensis Amaral Campos, Leporinus obtusidens Valenciennes, Differs from a similar species Leporinus piavussu by having 41 to 43, rarely 44 perforated scales in the lateral line vs.

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It prefers warm waters and reproduces in spring and summer, starting at 2 years of age. The back, as usual in this habitat, is darker than the belly.

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Exposure to this herbicide produced a decrease in all hematological parameters tested. Medium, minimum population doubling time 1.

It may be found in the main courses and streams, as well as in lakes and lagoons; it often shelters among stones and aquatic vegetation. Megaleporinus obtusidens has an elongated wide body, with a comparatively small head and a blunt mouth; its teeth are reminiscent of the incisors of Lagomorphawhence the name of the genus leporinus” hare -like”, as in Leporidae.

From Wikipedia, the free encyclopedia.

Sign our Guest Book. High vulnerability 62 of In young individuals there are also eight broad vertical streaks, joined in the back and coming down to the middle line.