Gymnotus, Craig & Correa-Roldán & Ortega & Crampton & Albert, 2018

Craig, Jack M., Correa-Roldán, Vanessa, Ortega, Hernán, Crampton, William G. R. & Albert, James S., 2018, Revision of Gymnotus (Gymnotiformes: Gymnotidae) from the Upper Madeira Basin of Bolivia and Peru, with descriptions of two new species, Zootaxa 4413 (1), pp. 111-132 : 128

publication ID

https://doi.org/ 10.11646/zootaxa.4413.1.3

publication LSID

lsid:zoobank.org:pub:E60E8FC2-8C45-4B3C-B044-720B45D1E401

DOI

https://doi.org/10.5281/zenodo.5987749

persistent identifier

https://treatment.plazi.org/id/03DDD91C-EC5A-5127-7B8A-FB44969BF9EA

treatment provided by

Plazi

scientific name

Gymnotus
status

 

Key to the Gymnotus View in CoL View at ENA of the Upper Madeira based on external morphology

1a. Single laterosensory pore in the posterior corner of the preopercle, cylindrical body profile................. G. coropinae View in CoL .

1b. Two laterosensory pores in the posterior corner of the preopercle, laterally-compressed body profile................... 2.

2a. Two to three of the anteriormost five pale interbands with both margins crescent-shaped..................... G. chaviro View in CoL .

2b. Margins of all pale interbands straight or curved in parallel.................................................... 3.

3a. Long, shallow head; pale interbands greater than two-thirds width of dark bands....................... G. c. madeirensis .

3b. hort, deep head; pale bands less than two-thirds width of dark bands............................................ 4.

4a. Laterally compressed body......................................................................... G. eyra .

4b. Sub-cylindrical body.......................................................................... G. riberalta .

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