WebMay 15, 1999 · For example, some gymnotiform fish appear to be impedance-matched to the resistivity of the water; others modulate the amplitude of their discharge seasonally and diurnally. The fact that electric signals do not propagate, but exist as electrostatic fields, means that, unlike sound signals, electric organ discharges produce no echoes or ... WebIn order to further our understanding of the evolution of electric organs in the Neotropical gymnotiform fish, we studied the ontogeny of the electric organs in eight species. In …
What does gymnotiformes mean? - definitions
WebGymnotiform fishes of South America produce rhythmic electric organ discharges (EODs) and can detect these fields with a specialized cutaneous electrosensory system ( Zupanc and Bullock, 2005 ). WebThe TS of gymnotiform fish has a complex layered structure, whereas that of mormyrids is organized into discrete nonlayered nuclear groups. For both families of electric fish, the different ELL maps converge in TS. The TS of gymnotiform fish has been studied in detail. It projects to four target regions: the nP, the optic tectum, the nucleus ... directions for samsung cell phone
Mormyrid - an overview ScienceDirect Topics
WebIn the present investigation, we employed monoclonal antibodies against ryanodine-binding proteins of avian muscle cells to the brain of weakly electric gymnotiform fish. Immunoprecipitation and Western blot analysis revealed two isoforms in the fish brain, with molecular weights comparable to those of avian and fish muscle ryanodine-binding ... WebGymnotiform fish lack dorsal and pelvic fins entirely, ... Because of this, they only hunt smaller fish that they are able to swallow whole. 5. They are able to explore their surroundings without seeing them. By generating … WebBrachyhypopomus. Els brachyhypopomus són un gènere de peixos elèctrics [1] de la família dels hypopomides originari de les zones tropicals i subtropicals de l'Amèrica del Sud (al sud de la conca del Riu de la Plata ), excepte el B. occidentalis, que també es pot trobar a Panamà i Costa Rica. forwardlogistic