Results 231 to 240 of about 82,285 (316)

Isolated in the highlands, found in the museum: A new species of Characidium (Crenuchidae) from a Bolivian National Park, with a CT scan revealing features

Journal of Fish Biology, EarlyView.
Abstract A new species of Characidium is described from a small, isolated river in the highland areas of Noel Kempff Mercado National Park, Bolivia. The new taxon can be diagnosed by the presence of a relatively broad and conspicuous dark midlateral stripe extending from the tip of snout to the base of the caudal fin, markedly darker than the vertical ...
Leonardo Oliveira‐Silva, Karina Or, Angela Zanata, Scott A. Schaefer   +3 more
wiley   +1 more source

Can a Top Predator Persist After One of the World's Largest Mining Dam Failures? Occupancy Dynamics of the Neotropical Otter in Brazil's Paraopeba River. [PDF]

Ecol Evol
Massara RL, Santos PM, Stumpp R, Costa AS, Rodrigues JR, Meiga AYY, Solar RRC, Moura MN, Dornas T, Cäsar C, Paglia A.   +10 more
europepmc   +1 more source

A new species of inseminating catfish of the genus Tympanopleura (Siluriformes: Auchenipteridae) from the Ituxi River, Amazon River basin, northern Brazil, revealed by integrative taxonomy

Journal of Fish Biology, EarlyView.
Abstract A new species of the genus Tympanopleura is described from the Iquiri River, a tributary of the Ituxi River, a right‐bank tributary to the Purus River, Amazon River, northern Brazil. The new species is distinguished from all its congeners by a combination of features, such as the presence of an intensely pigmented square‐shaped blotch on the ...
Frank Raynner V. Ribeiro, Cárlison Silva‐Oliveira, Valdenor Magalhães, Lucas Gama, Lúcia H. Rapp Py‐Daniel   +4 more
wiley   +1 more source

Three New Species, New Records, and a Key to <i>Dryops</i> Olivier, 1791 (Coleoptera: Dryopidae) from Brazil. [PDF]

Insects
Alexandre MSL, Clarkson B, Fernandes AS, Moreira FFF.   +3 more
europepmc   +1 more source

High trophic niche overlap between sympatric peacock basses (Cichliformes: Cichlidae: Cichla): Concordant findings from three dietary analysis methods

Journal of Fish Biology, EarlyView.
Abstract Dietary analysis has contributed to our understanding of animal niches, interspecific interactions, community structure and the flow of matter and energy in food webs. We employed three methods of dietary analysis to estimate trophic niche overlap between two peacock bass species, Cichla cataractae and Cichla ocellaris, across sympatric ...
Benton L. Fry, Hayden C. Roberts, Kirk O. Winemiller   +2 more
wiley   +1 more source

Revisiting the Status of Yellow Fever Epizootics and Its Surveillance in South America: New Non-Human Primates, Spillover and Ecological Drivers. [PDF]

Pathogens
Bonilla-Aldana DK, Bonilla-Aldana JL, Zambrano L, Rodriguez-Morales AJ.   +3 more
europepmc   +1 more source

Species limits and patterns of diversification in neotropical forest parakeets: molecular systematics in the genus Pyrrhura

, 2003
Miyaki, Cristina Yumi, Joseph, Leo, Ribas, Camila Cherem   +2 more
core  

Pejerrey (Odontesthes bonariensis) Under Siege: Main Infectious Diseases and Their Role in Aquaculture and Wild Populations Amidst Environmental Change

Journal of Fish Diseases, Volume 48, Issue 4, April 2025.
ABSTRACT The pejerrey (Odontesthes bonariensis) is a key species for recreational and commercial fisheries in Argentina and holds significant aquaculture potential. It has been introduced to various countries worldwide, including Japan, where intensive aquaculture has developed.
Aarón Torres‐Martínez, Miguel Mancini, Fabian Grosman, Gustavo Manuel Somoza, Carlos Augusto Strüssmann   +4 more
wiley   +1 more source

Cryopreservation toxicity and morphological outcomes in <i>Piaractus brachypomus</i> oocytes and embryos. [PDF]

Anim Reprod
Digmayer M, Fornari DC, Marques LS, Povh JA, Ribeiro RP, Nicoleti ET, Alencar LQ, Spica LN, Zhang T, Streit DP.   +9 more
europepmc   +1 more source