Description of a new species of Ituglanis (Siluriformes: Trichomycteridae) from Serra dos Carajás, rio Tocantins basin Author Wosiacki, Wolmar B. Museu Paraense Emílio Goeldi, Caixa Postal 399, 66040 - 170 Belém, PA, Brazil wolmar@museu-goeldi.br Author Dutra, Guilherme M. 2 Universidade Federal do Pará, Museu Paraense Emílio Goeldi, Programa de Pós-Graduação em Zoologia guilhermedutr@yahoo.com.br Author Mendonça, Marina B. 2 Universidade Federal do Pará, Museu Paraense Emílio Goeldi, Programa de Pós-Graduação em Zoologia barreira.mm@gmail.com text Neotropical Ichthyology 2012 2012-09-28 10 3 547 554 http://dx.doi.org/10.1590/s1679-62252012000300007 journal article 245598 10.1590/S1679-62252012000300007 154c193c-2d5c-4bf0-a0ba-94d2b475b43d 1982-0224 7821732

Table 1. Morphometric data for the holotype and paratypes of Ituglanis ina (n = 54 including holotype).

	Holotype	Min.	Max.	Mean
Standard length (mm)	62.0	11.5	62.0	-
Percents of standard length
Total length	113.6	112.3	127.6	118.8
Body depth	15.4	11.7	17.0	14.0
Peduncle length	16.1	12.7	21.5	17.7
Peduncle depth	12.7	9.9	13.6	11.9
Predorsal length	74.8	70.1	76.8	73.3
Preanal length	74.2	70.0	78.8	73.6
Prepelvic length	63.6	52.2	67.3	63.4
Dorsal-fin base length	9.5	8.2	13.2	10.3
Anal-fin base length	7.1	6.9	12.6	8.8
Head length	17.8	17.0	24.3	19.8
	Percents of head length
Head width	79.5	77.2	98.2	86.0
Head depth	43.1	38.7	53.3	45.3
Interorbital distance	26.4	19.0	32.1	27.0
Snout length	40.2	31.1	42.1	36.3
Nasal barbel length	86.6	72.3	101.8	84.2
Maxillary barbel length	105.3	85.4	126.2	101.6
Rictal barbel length	80.5	67.4	94.7	80.1
Mouth width	42.7	31.8	49.8	38.8
Eye diameter	7.5	6.5	13.6	9.8