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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High vulnerability 62 of The common name boga is applied to many other species of fish, usually unrelated to this one. Metabolic parameters in the liver and muscle lactate, glycogen, glucose, protein, and ammoniaas well as some hematological parameters, were determined.

Megaleporinus obtusidens – Wikipedia

It prefers warm waters and reproduces in spring and summer, starting at 2 years of age. Dorsal soft rays total: Medium, minimum population doubling time 1.

In young individuals there are also eight broad vertical streaks, joined in the back and coming down to the middle line. Sounds Ciguatera Speed Swim. They also occur in ponds. The length and weight of the individuals are extremely variable according to the area, probably influenced by different feeding habits, opportunities and exploitation, as well as local sub-specific variants.

Downloaded on 12 July In this study, teleostean fish Leporinus obtusidens piava were exposed to different concentrations of Roundup, a glyphosate acid equivalent herbicide: By using this site, you agree to the Terms of Use and Privacy Policy. Obtuusidens results indicate that AChE activity as well as metabolic and hematological parameters lepodinus be good early indicators of herbicide contamination in L.

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Leporinus obtusidens : fisheries, aquaculture, gamefish

This page was last edited on 22 Marchat Differs from Leporinus amblyrhynchusL. Megaleporinus obtusidens Valenciennes Megaleporinus obtusidens has an elongated wide body, with a obtusixens 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.

Differs from a similar species Leporinus piavussu by having 41 to 43, rarely 44 perforated scales in the lateral line vs. Collaborators Pictures Stamps, Coins Misc. Acetylcholinesterase AChE activity was verified in brain and muscle tissues.

It may be found in the main courses and streams, as obtsidens as in lakes and lagoons; it often shelters among stones and aquatic vegetation. Levels of ammonia in both tissues increase in fish at all glyphosate concentrations. Freshwater; benthopelagic; potamodromous Ref.

Results indicated that AChE activity significantly decreased in the brain of fish exposed to all glyphosate concentrations tested, but in the muscle this parameter was not altered. Entered by Torres, Armi G. Views Read Edit View history.

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Human uses

Articles with ‘species’ microformats Articles with Spanish-language external links. There is also a variant called piava and another called tres puntos “three dots”. 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 diagnosed from most congeners, except Leporinus amblyrhynchusL. Pignalberi de Hassan Megaleporinus obtusidens is an omnivore: Phylogenetic diversity index Ref. In other projects Wikimedia Commons Wikispecies.

Distinct obtusixens breed on densely grown weedy places Ref. Retrieved from ” https: Exposure to this herbicide produced a decrease in all hematological parameters tested. However, it prefers grain and seeds wheat and maizeand it often gathers in large banks near ports, where cargo ships drop grains into the water.

Lactate and protein of fish exposed to all glyphosate concentrations presented leporihus significant decrease in the liver, but did not change significantly in the muscle. The larger fish probably belong to other species of Leporinus either L.

This species is also known by the technical synonym Curimatus obtusidens. Cordiviola de Yuan, E. Short description Morphology Morphometrics Dorsal soft rays total:

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