A new tiny-spotted species of Hypostomus (Siluriformes: Loricariidae) from the upper Rio Tocantins basin, Goiás State, Brazil Author Penido, Iago De Souza Author Pessali, Tiago Casarim Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Laboratório de Ecologia de Peixes, Av. Presidente Antônio Carlos, 6627, 31270 - 901, Belo Horizonte, Minas Gerais State, Brazil & Museu de Ciências Naturais da PUC Minas, Av. Dom José Gaspar, 290, 30535 - 610, Belo Horizonte, Minas Gerais State, Brazil Universidade Estadual de Maringá. Departamento de Biologia. Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (Nupélia), Av. Colombo, 5790, 87020 - 900, Maringá, Paraná State, Brazil Author Zawadzki, Cláudio Henrique text Zootaxa 2023 2023-10-31 5361 1 103 113 https://www.mapress.com/zt/article/download/zootaxa.5361.1.5/52163 journal article 278343 10.11646/zootaxa.5361.1.5 6965130c-650d-4664-b52c-c8c541a4122b 1175-5326 10150837 BAE828CC-3BB4-4E9B-86DD-F030396A4034

TABLE 1. Morphometric data and counts of Hypostomus lamberti. Holotype data not included in range. SD = standard deviation.

Measurements	Hypostomus lamberti; n = 22 Holotype range mean			SD
Standard length (mm)	175.5	67.5–125.0	97.5
Percents of SL
Predorsal length	34.8	36.1–40.0	38.4	1.2
Head length	27.8	29.7–34.5	31.9	1.5
Cleithral width	26.7	27.5–30.1	29.0	0.8
Head depth	18.1	18.2–20.7	19.6	0.7
Interdorsal distance	21.5	19.7–23.2	21.8	0.9
Caudal peduncle length	36.1	33.1–35.6	34.2	0.6
Caudal peduncle depth	8.9	8.1–9.8	9.1	0.5
Dorsal-fin spine length	26.6	26.4–33.2	29.6	1.8
Thoracic length	23.2	22.3–26.6	24.2	1.3
Percents of head length
Cleithral width	95.9	85.7–97.6	91.0	3.4
Head depth	65.0	55.5–65.1	61.5	2.1
Snout length	52.9	51.5–65.3	57.2	2.9
Orbital diameter	12.5	11.9–19.3	15.2	1.7
Interorbital width	40.4	38.6–43.3	40.4	1.4
Mandibular width	14.1	11.4–14.1	12.7	0.8
Other percents
Orbital diameter in snout length	21.1	20.3–34.7	26.7	3.7
Orbital diameter in interorbital length	31.0	29.3–42.9	37.4	3.6
Mandibular length in interorbital length	35.0	27.8–35.0	31.5	1.8
Dorsal-fin spine length in predorsal length	76.4	67.2–86.6	77.8	5.1
First pectoral-fin ray length in predorsal length	70.3	65.8–78.7	71.9	3.3
Ventral caudal-fin ray length in predorsal length	96.4	87.3–114.6	98.3	8.9
Adipose-fin length in caudal peduncle depth	84.7	63.2–84.4	74.3	5.8
Caudal peduncle depth in caudal peduncle length	24.8	24.5–28.8	26.5	1.3
Mandibulary width in cleithral width	14.7	12.2–15.2	14.0	0.8
Interdorsal length in dorsal-fin base	91.5	88.5–110.2	99.3	6.6
Lower lip length in lower lip width	27.3	24.2–43.4	32.7	4.3
Counts			Mode
Median plates series	28	27–29	28
Plates bordering supraoccipital	1	1	1
Predorsal plates	3	3	3
Dorsal plates below dorsal-fin base	8	8–9	8
Plates between dorsal and adipose fins	8	7–8	8
Plates between adipose and caudal fins	5	4–6	5
Plates between anal and caudal fins	15	13–15	14
Premaxillary teeth	25	21–38	28
Dentary teeth	24	18–36	28