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Three new species of the Eigenmannia trilineata species group (Gymnotiformes: Sternopygidae) from northwestern South America

Herrera-Collazos, Edgar Esteban; Galindo-Cuervo, Aleidy M; Maldonado-Ocampo, Javier A; Rincón-Sandoval, Melissa.
Neotrop. ichthyol; 18 (1), 2020
Eigenmannia is one of the more taxonomically complex genera within the Gymnotiformes. Here we adopt an integrative taxonomic approach, combining osteology, COI gene sequences, and geometric morphometrics to describe three new species belonging to the E. trilineata species group from Colombian trans-Andea...
Gymnotiformes/clasificación, Pez Eléctrico/clasificación, Gymnotiformes/anatomía & histología
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A new and improved electric fish finder with resources for printed circuit board fabrication

Haag, Michael A; Lambert, Jeffrey C; Waddell, Joseph C; Crampton, William G. R.
Neotrop. ichthyol; 17 (4), 2019
We describe the circuit design, construction, and operation of a field-portable electric fish finder (an AC-coupled wide-band differential bio-amplifier with loudspeaker output). This device permits detection and monitoring of the electric organ discharges generated by neotropical gymnotiform fishes (as ...
Placas de Circuitos Impresos/análisis, Pez Eléctrico/clasificación, Amplificadores Electrónicos
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