Results 81 to 90 of about 150 (103)

Genetic and Developmental Divergence in the Neural Crest Program between Cichlid Fish Species. [PDF]

Mol Biol Evol
Marconi A, Vernaz G, Karunaratna A, Ngochera MJ, Durbin R, Santos ME.   +5 more
europepmc   +1 more source

Global mercury concentrations in biota: their use as a basis for a global biomonitoring framework. [PDF]

Ecotoxicology
Evers DC, Ackerman JT, Åkerblom S, Bally D, Basu N, Bishop K, Bodin N, Braaten HFV, Burton MEH, Bustamante P, Chen C, Chételat J, Christian L, Dietz R, Drevnick P, Eagles-Smith C, Fernandez LE, Hammerschlag N, Harmelin-Vivien M, Harte A, Krümmel EM, Brito JL, Medina G, Barrios Rodriguez CA, Stenhouse I, Sunderland E, Takeuchi A, Tear T, Vega C, Wilson S, Wu P.   +30 more
europepmc   +1 more source

Identity of “Apteronotus”bonapartii(Castelnau, 1855), a sexually dimorphic South American knifefish from the Amazon, with notes on its cranial osteology and on thetaxonomic status of “Apteronotus”apurensisFernández-Yépez, 1968 (Gymnotiformes, Apteronotidae)

Proceedings of the Academy of Natural Sciences of Philadelphia, 2016
"Apteronotus" bonapartii (Castelnau 1855) was described based on a single specimen caught in a lake draining into the Río Ucayali, Perú, and is now reported from several rivers in South America.
Eric J. Hilton, Cristina Cox Fernandes
openaire   +2 more sources

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The South American Electric Glass Knifefish GenusDistocyclus(Gymnotiformes: Sternopygidae): Redefinition and Revision

Copeia, 2014
Electric glass knifefishes of the genus Distocyclus, family Sternopygidae, are reviewed. Features previously utilized to diagnose Distocyclus were found uninformative as to whether the two species originally assigned to the genus are sister taxa. Distocyclus goajira was found to lack the derived features present in the type-species of the genus, D ...
Guilherme Moreira Dutra, Carlos David de Santana, Richard P. Vari, Wolmar Benjamin Wosiacki   +3 more
openaire   +1 more source

OnSternarchorhynchusCastelnau: A South American Electric Knifefish, with Descriptions of Two New Species (Ostariophysi: Gymnotiformes: Apteronotidae)

Copeia, 2000
Abstract This paper summarizes information on the South American freshwater gymnotiform genus Sternarchorhynchus Castelnau (family Apteronotidae), especially taxonomic and systematic. Sternarchorhynchus britskii and S. mesensis are described as new from the upper portions of the Rio Parana and Rio Tocantins (Brazil), respectively.
openaire   +1 more source

Knifefish turning control and hydrodynamics during forward swimming

Journal of Experimental Biology, 2022
Olivia H Hawkins, VÍCTOR Manuel Ortega-Jiménez, Christopher P Sanford   +2 more
exaly  

Effects of nitrite at different temperatures on physiological parameters and growth in clown knifefish (Chitala ornata, Gray 1831)

Aquaculture, 2020
Do Thi Thanh Huong, Le thi Hong Gam, Sovan Lek   +2 more
exaly  

Beyond the Kármán gait: knifefish swimming in periodic and irregular vortex streets

Journal of Experimental Biology, 2021
VÍCTOR Manuel Ortega-Jiménez
exaly  

Myxobolus freitasi n. sp. (Myxozoa: Bivalvulida), a parasite of the brain of the electric knifefish in the Brazilian Amazon region

Brazilian Journal of Veterinary Parasitology, 2021
JOSÉ Ledamir Sindeaux-Neto, Michele Velasco, Patricia Matos   +2 more
exaly  

Locomotion of free-swimming ghost knifefish: anal fin kinematics during four behaviors

Zoology, 2014
Brooke E Flammang, George V Lauder
exaly