A taxonomic revision of the Neotropical electric fish genus Brachyhypopomus (Ostariophysi: Gymnotiformes: Hypopomidae), with descriptions of 15 new species Author Crampton, William G. R. Department of Biology, University of Central Florida, PO Box 162368, Florida, 32816 - 2368, USA. crampton@ucf.edu Author Santana, Carlos D. de Division of Fishes, Smithsonian Institution, National Museum of Natural History, 10 th and Constitution Avenue, NW, Washington, DC 20560 - 0159, USA. apteronotidae@ig.com.br Author Waddell, Joseph C. Department of Biology, University of Central Florida, PO Box 162368, Florida, 32816 - 2368, USA. joecwaddell@knights.ucf.edu Author Lovejoy, Nathan R. Department of Biological Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M 1 C 1 A 5, Canada lovejoy@utsc.utoronto.ca text Neotropical Ichthyology 2016 e 150146 2016-12-31 14 4 639 790 http://dx.doi.org/10.1590/1982-0224-20150146 journal article 314778 10.1590/1982-0224-20150146 635170d7-a205-45be-90c7-807cc6d17f50 1982-0224 13331233

Table 4. Pectoral-fin ray counts for 28 species of Brachyhypopomus. Regions: type regions are preceded by an asterisk. See Table 2 for list of country and state abbreviations, and additional notes on regions. Numbers of examined specimens (N), with T = type specimens, NT = non-type specimens. Counts range from 10 to 21 and include both unbranched and branched rays. Modal value is shown in bold (or median value shown underlined where modal value not available). Missing count values intermediate between reported values are filled with “0” to better illustrate the species ranges. 1º Type = total number of pectoral-fin rays for name-bearing type, with count on right (R) side indicated in lieu of left side in case of damage, or in addition to left side if notably asymmetric (data for B. occidentalis refer to largest syntype specimen); asterisk indicates count obtained from original description. Description = number of pectoral-fin rays reported in original species description. Counts reported in an original species description but not from the materials examined during this study are marked “^” in order to show full known range for each species.

Species	Region	N	10	11	12	13	14	15	16	17	18	19	20	21	1° Type	Description
B. alberti	*upper Madeira dr., Beni, BO	13 (8 T, 5 NT)						3	10						16
B. arrayae	*upper Madeira dr., Beni, BO	20 (6 T, 14 NT)							11	8	0	1			17
B. batesi	*r. Amazonas, Am, BR	15 (4 T, 11 NT)				13	2								13
B. beebei	*r. San Juan, Monagas, VE	1 (1 T)								1					?
-	r. Amazonas, Am, BR	32 (32 NT)						5	14	3	9	1			-
B. belindae	*r. Amazonas, Am, BR	6 (6 T)						1	3	2					15
B. benjamini	*r. Ucayali, Lo, PE	31 (31 T)	1	14	15	1									12
B. bennetti	*r. Amazonas, Am, BR	36 (36 NT)					8	13	14	1					?	14-17
B. bombilla	*l. Patos-Mirim, Rs, BR	11 (11 NT)					4	4	3	^					16*	15-17
-	r. Uruguay, R. Paraguay, Mt, Rs, BR	20 (20 NT)					11	8	1						-
-	upper Madeira dr., BO, PE	15 (15 NT)						11	4						-
B. brevirostris	*r. Guaporé, BR; R. Beni, BO	11 (1 T, 10 NT)							4	7					17
-	r. Amazonas, Am, BR	26 (26 NT)							2	6	12	5	1		-
-	r. Orinoco, VE	32 (32 NT)						1	11	12	6	2			-
-	r. Paraguay, BR	8 (8 NT)						1	0	6	1				-
B. bullocki	*r. Orinoco, Meta CO, Apure VE	20 (20 NT)		^	^	10	6	4							?	11-14
B. cunia	*r. Madeira, Am, BR	18 (15 T, 3 NT)	2	5	6	5									13
B. diazi	*coastal drs. Carabobo, VE	12 (12 NT)							2	7	2	1			?	16
-	r. Orinoco, Apure, VE	33 (33 NT)					2	7	19	4	1				-
B. draco	*r. Uruguay, coastal drs., Rs, BR	14 (14 NT)					3	5	6	^					?	15-17
-	r. Paraguay, Ca, Pr, PR	9 (9 NT)						6	3						-
B. flavipomus	*r. Amazonas, Am, BR	27 (2 T, 25 NT)		8	17	2									12
B. gauderio	*l. Patos, R. Uruguay, Rs, BR	15 (15 NT)					4	6	5	^					?	15-17
-	r. Paraguay, PR	20 (20 NT)			5	6	4	5							-
B. hamiltoni	*r. Amazonas, Am, BR	18 (17 T, 1 NT)			3	11	2	2							13
B. hendersoni	*r. Amazonas, Am, BR	36 (28 T, 8 NT)			1	29	5	0	1						16 (14R)
B. janeiroensis	*coastal drs., Rj, BR	49 (49 NT)				6	13	29	1						?	14-15
B. jureiae	*r. Ribeira de Iguape, Sp, BR	6 (6 NT)					2	0	4						?
B. menezesi	*r. São Francisco, Ba, Mg BR	7 (7 T)					3	1	3						14
B. occidentalis	*Pacific coast drs. CO	17 (6 T, 11 NT)							5	7	5				16R
-	lago Maracaibo dr., Zulia, VE	17 (17 NT)							2	13	2				-
-	eastern Atlantic drs., PN	22 (22 NT)							4	8	10				-
-	western Atlantic drs., PN	25 (25 NT)									10	8	7		-
-	eastern Pacific drs., PN	12 (12 NT)						1	1	6	4				-
-	western Pacific drs., PN	3 (3 NT)								1	1	1			-
B. palenque	*r. Guayas, Los Ríos, EC	25 (13 T, 12 NT)								7	7	3	4	4	18
B. pinnicaudatus	*coastal swamp, Cayenne, FG	8 (8 T)					2	3	3						14*	14
-	r. Amazonas, Am, BR	15 (15 NT)				3	9	3							-
B. provenzanoi	*r. Orinoco, Am, VE	20 (20 T)			4	7	7	2							13
B. regani	*r. Amazonas, Am, BR	15 (6 T, 9 NT)					7	7	1						14
B. sullivani	*r. Ucayali, Lo, PE	16 (16 T)		6	5	5									13
-	r. Beni, Beni, BO	7 (7 NT)				1	6								-
-	r. Orinoco, Am, VE	12 (12 NT)				3	8	1							-
B. verdii	*r. Ucayali, Lo, PE	31 (31 T)				2	5	16	7	1					15
B. walteri	*r. Amazonas, Am, BR	31 (31 NT)			3	3	10	14	1						?	15-17
-	r. Paraguay, Ms, Mt, BR	15 (15 NT)				4	9	2							-