Gamarra, Suelen P.; Calegari, Bárbara B.; Reis, Roberto E.

Suelen P. Gamarra

Laboratório de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga, 6681, 90619-900 Porto Alegre, RS, Brazil. (SPG) suelengamarra@gmail.com, https://orcid.org/0000-0001-7810-0843; (BBC) barbara.calegari@gmail.com, https://orcid.org/0000-0001-6335-6854; (RER) reis@pucrs.br, https://orcid.org/0000-0003-3746-6894 (corresponding author).

http://orcid.org/0000-0001-7810-0843

Bárbara B. Calegari

Laboratório de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga, 6681, 90619-900 Porto Alegre, RS, Brazil. (SPG) suelengamarra@gmail.com, https://orcid.org/0000-0001-7810-0843; (BBC) barbara.calegari@gmail.com, https://orcid.org/0000-0001-6335-6854; (RER) reis@pucrs.br, https://orcid.org/0000-0003-3746-6894 (corresponding author).

Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560,USA.

http://orcid.org/0000-0001-6335-6854

Roberto E. Reis

Laboratório de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga, 6681, 90619-900 Porto Alegre, RS, Brazil. (SPG) suelengamarra@gmail.com, https://orcid.org/0000-0001-7810-0843; (BBC) barbara.calegari@gmail.com, https://orcid.org/0000-0001-6335-6854; (RER) reis@pucrs.br, https://orcid.org/0000-0003-3746-6894 (corresponding author).

http://orcid.org/0000-0003-3746-6894

Edited by

Gloria Arratia

	Holotype	Min	Max	Mean	SD
Standard length (mm) Male Female	- - 25.1	18.7 18.7 21.8	25.7 20.6 25.7	22.0 19.7 24.2
Percent of standard length
Head length	38.0	36.8	41.4	38.7	1.2
Predorsal length	46.0	43.6	51.2	47.1	1.7
Postdorsal length	40.7	37.8	44.7	40.3	1.5
Prepectoral length	29.9	27.3	33.1	29.6	1.3
Prepelvic length	45.3	42.0	45.6	43.9	1.0
Preanal length	64.9	60.6	68.4	64.3	2.0
Cleithral width	24.2	21.7	27.6	23.8	1.2
Snout-opercle distance	29.6	28.6	33.9	30.4	1.1
Pectoral-pelvic-fins distance	16.7	12.5	16.8	15.2	1.2
Pelvic-anal-fins distance	22.3	18.6	24.4	21.4	1.5
Dorsal-fin spine length	24.8	21.2	27.7	24.3	1.4
Dorsal-fin base length	13.1	8.3	13.9	11.4	1.2
Pectoral-fin spine length	26.8	24.5	31.1	27.6	1.9
First pelvic-fin unbranched ray length	18.7	17.2	23.5	19.8	1.8
First anal-fin unbranched ray length	17.7	14.5	20.7	17.6	1.5
Caudal-peduncle length	29.1	23.9	29.3	26.9	1.6
Caudal-peduncle depth	8.2	5.5	9.1	7.6	0.9
Caudal-peduncle width	5.5	2.3	7.2	5.1	1.0
Body depth at dorsal-fin origin	14.7	11.3	15.9	14.0	1.1
Body width at dorsal-fin origin	19.5	15.3	22.3	17.5	1.6
Percent of head length
Head depth	42.6	35.5	46.0	41.0	2.6
Head width	56.5	52.2	60.9	56.4	2.6
Snout length	53.6	47.5	56.4	51.7	2.2
Orbital diameter	17.3	11.7	21.4	16.0	2.3
Interorbital distance	33.9	28.4	36.3	33.1	2.0
Internareal width	14.3	7.3	14.6	11.0	1.7
Nares diameter	6.6	6.6	13.6	10.1	2.2
Male	-	10.5	13.6	12.1	0.8
Female	-	6.6	9.9	8.1	1.0
Prenasal length	43.2	34.4	45.8	39.0	2.8
Suborbital depth	15.1	10.3	16.4	13.8	1.5
Barbel length	5.8	2.8	8.5	5.5	1.4
Counts	Holotype	Low	High	Mode
Rigth premaxillary teeth	21	15	22	21
Left premaxillary teeth	20	15	21	20
Rigth dentary teeth	20	14	21	20
Left dentary teeth	19	12	21	19
Plates in median lateral series	23	22	23	23
Plates in mid-dorsal series	8	7	8	8
Predorsal plates	2	2	2	2
Branched pectoral-fin rays	6	5	6	6
Branched dorsal-fin rays	6	6	7	6
Branched pelvic-fin rays	5	5	5	5
Branched anal-fin rays	5	4	5	5
Branched caudal-fin rays	14	14	14	14

[1] Edited by

Gloria Arratia

Brasil

Brasil

A new species of Curculionichthys (Siluriformes: Loricariidae) from the north edge of the Brazilian Shield, lower Amazon basin

RESUMO