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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Sign our Guest Book. 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 obtusidfns. Exposure to this herbicide produced a decrease in all hematological leporinhs tested. Summary page Point data Common names Photos. 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.

IUCN Red List of Threatened Species

The larger fish probably belong to other species of Leporinus either L. Lactate and protein of fish exposed to all glyphosate concentrations presented a significant decrease in the liver, but did leporinuus change significantly in the muscle.

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Estimates of some properties based on models Phylogenetic diversity index Ref. 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.

Differs from a similar species Leporinus piavussu by having 41 to 43, rarely 44 perforated scales in the lateral line vs. Cordiviola de Yuan, E. Phylogenetic diversity index Ref. Entered by Torres, Armi G. Freshwater; benthopelagic; potamodromous Ref.

Main reference Upload your references References Coordinator: Can obtusidena further distinguished from Leporinus muyscorum by having six or seven scale rows between lateral line and dorsal-fin origin vs. Articles with ‘species’ microformats Articles with Spanish-language external links. Retrieved from ” https: They also occur in ponds. Megaleporinus obtusidens is an omnivore: Short description Morphology Morphometrics Dorsal soft rays total: Its basic colour is a light greenish-gray, with three rounded dark spots in mid-flank, keporinus may not be visible in some specimens.

In obrusidens projects Wikimedia Commons Wikispecies. High vulnerability 62 of Megaleporinus obtusidens Valenciennes Can be diagnosed from most congeners, except Leporinus amblyrhynchusL.

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This page was last edited on 22 Marchat Collaborators Pictures Stamps, Coins Misc. The back, as usual in this habitat, is darker than the belly.

There is also a variant called piava and another called tres puntos “three dots”. Views Read Edit View history. By using this site, you agree to the Terms of Use and Privacy Policy.

Human uses

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.

This species is also known by the technical synonym Curimatus obtusidens. Curimatus obtusidens Valenciennes, Leporinus silvestrii Boulenger, Leporinus aguapeiensis Amaral Campos, Leporinus obtusidens Valenciennes, Dorsal soft rays total: