Delapieve, Maria Laura S.; Lehmann A, Pablo; Reis, Roberto E.

Maria Laura S. Delapieve

PUCRS, Laboratório de Sistemática de Vertebrados, Av. Ipiranga, 6681, 90619-900 Porto Alegre, RS, Brazil. (MLSD) laura.delapieve@gmail.com, (RER) reis@pucrs.br

Pablo Lehmann A

Laboratório de Ictiologia, Universidade do Vale do Rio dos Sinos. Av. Unisinos, 950, 93022-000 São Leopoldo, RS, Brazil. (PLA) pablole@unisinos.br

Roberto E. Reis

PUCRS, Laboratório de Sistemática de Vertebrados, Av. Ipiranga, 6681, 90619-900 Porto Alegre, RS, Brazil. (MLSD) laura.delapieve@gmail.com, (RER) reis@pucrs.br

Measurements		Range
Measurements	H	Min	Max	Mean	SD
Standard length	26.5	24.6	30.6	27.6	-
Percent of Standard length
Head length	35.3	32.3	36.6	34.5	1.0
Predorsal length	46.4	45.5	48.8	47.4	0.8
Postdorsal length	43.8	41.6	45.8	43.6	1.0
Prepectoral length	28.8	26.7	30.2	28.4	0.9
Prepelvic length	41.9	40.4	44.4	42.2	1.0
Preanal length	63.3	60.9	66.2	63.1	1.2
Cleithral width	23.5	21.8	25.1	23.6	0.9
Pectoral-pelvic fins distance	14.7	13.0	17.2	15.0	1.0
Pelvic-anal fins distance	23.3	21.1	24.7	22.9	1.0
Dorsal-fin spine length	25.5	23.3	27.1	25.2	1.0
Dorsal-fin base length	11.0	9.8	12.8	11.2	0.7
Pectoral-fin spine length	23.8	22.8	27.5	24.8	1.3
First pelvic-fin unbranched ray length	16.7	13.6	18.9	16.0	1.2
First anal-fin unbranched ray length	16.0	13.1	16.5	15.2	0.7
Caudal-peduncle length	38.3	35.7	39.9	37.7	1.1
Caudal-peduncle depth	6.7	5.7	7.2	6.5	0.4
Caudal-peduncle width	5.7	3.9	6.5	5.4	0.7
Body depth at dorsal-fin origin	14.1	12.5	16.1	14.7	0.9
Percent of Head length
Head depth	40.8	37.6	44.3	41.4	1.5
Head width	62.9	60.3	69.6	64.4	2.5
Snout-opercle distance	85.0	80.0	87.5	84.2	2.2
Snout length	57.3	52.8	58.5	56.0	1.5
Orbital diameter	18.4	17.1	19.6	18.0	0.6
Interorbital distance	52.0	51.3	58.8	54.6	2.2
Internareal width	23.8	21.7	25.8	23.8	1.1
Naris diameter	6.2	5.2	8.5	6.8	1.0
Prenasal length	47.0	42.8	49.6	45.6	1.2
Suborbital depth	9.5	7.5	11.9	10.0	1.1

Count	Leptotocinclus ctenistus n=48					Leptotocinclus madeirae n=28					Nannoxyropsis acicula n = 31
Count	H	Low	High	Mean	SD	H	Low	High	Mean	SD	H	Low	High	Mean	SD
Premaxillary teeth	17/21	17	26	20	1.8	20/21	17	24	20	1.7	16/17	11	17	15	1.7
Dentary teeth	19	14	25	18	1.9	21/22	14	23	18	2.2	14/15	10	16	13	1.4
Plates in median lateral series	23	22	23	22	0.3	22	21	22	22	0.5	21	20	22	21	0.5
Plates in mid-dorsal series	4	3	4	4	0.2	4	4	4	4	0.0	3	3	3	3	0.0
Plates in dorsal series	19	18	19	19	0.4	18	18	19	18	0.2	17	17	19	18	0.4
Plates in mid-ventral series	14	13	15	14	0.3	14	13	15	14	0.5	12	12	14	13	0.4
Plates in ventral series	20	18	20	19	0.5	18	18	19	18	0.2	18	18	19	18	0.4
Plates between anal-and-caudal fin series	11	10	12	11	0.5	10	9	11	10	0.4	10	10	11	10	0.4
Plates at dorsal-fin base	5	4	5	4	0.3	5	4	5	5	0.3	4	3	4	4	0.2
Plates at anal-fin base	3	2	3	2	0.5	2	2	2	2	0.0	2	2	2	2	0.0
Predorsal plates	3	2	3	3	0.1	3	3	3	3	0.0	3	3	3	3	0.0
Plates lateral abdominal series	4/5	2	6	4	0.8	2	1	3	2	0.4	5	2	6	4	0.8
Plates in median abdominal series	4	3	9	5	1.2	0	0	0	0	0.0	6	1	6	4	1.2
Pectoral-fin rays	6	6	6	6	0.0	6	6	6	6	0.0	6	6	6	6	0.0
Dorsal-fin rays	7	7	7	7	0.0	7	6	7	7	0.2	7	7	7	7	0.0
Pelvic-fin rays	5	5	5	5	0.0	5	5	5	5	0.0	5	5	5	5	0.0
Anal-fin rays	5	5	5	5	0.0	5	5	5	5	0.0	5	5	5	5	0.0
Caudal-fin rays	12	11	12	12	0.2	12	12	12	12	0.0	14	14	14	14	0.0

Brasil

Brasil

An appraisal of the phylogenetic relationships of Hypoptopomatini cascudinhos with description of two new genera and three new species (Siluriformes: Loricariidae)

RESUMO