A new miniature species of <i>Odontocharacidium</i> (Characiformes: Crenuchidae) from the Río Orinoco basin, Venezuela

Rodrigues, Elizabeth Kathleen de Queiroz; Netto-Ferreira, Andre L.

doi:10.1590/1982-0224-2019-0008

Elizabeth Kathleen de Queiroz Rodrigues

Programa de Pós-Graduação em Zoologia da Universidade Federal do Pará (UFPA), Instituto de Ciências Biológicas, Campus Básico, R. Augusto Côrrea, 01, Guamá, 66075-110 Belém, PA, Brazil.

Grupo de Pesquisa em Ecologia e Biologia de Peixes, Instituto de Desenvolvimento Sustentável Mamirauá (IDSM), Estrada do Bexiga, 2584, Fonte Boa, 69553-225 Tefé, AM, Brazil. elizabethbio3@gmail.com (corresponding author).

https://orcid.org/0000-0001-6891-9783

Andre L. Netto-Ferreira

Laboratório de Ictiologia, Departamento de Zoologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil. alnferreira@gmail.com.

https://orcid.org/0000-0002-3096-0411

Edited by

George Mattox

Correspondence:

Elizabeth K. de Queiroz Rodrigues (elizabethbio3@gmail.com)

AUTHOR’S CONTRIBUTION

Elizabeth Kathleen de Queiroz Rodrigues: Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Validation, Writing-original draft, Writing-review & editing. Andre Luiz Netto-Ferreira: Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing-review & editing.

COMPETING INTERESTS

The authors declare no competing interests.

ETHICAL STATEMENT

Not applicable.

	Holotype	Min	Max	Mean	SD
Total length (mm)	18.6	17.5	19.8	18.7	0.5
Standard length (mm)	14.7	14.1	16.7	15.1	0.6
Head length (mm)	4.5	4.0	5.1	4.5	0.3
Percentage of SL
Body depth at dorsal-fin origin	23.0	22.0	25.9	23.3	1.0
Body depth at anal-fin origin	12.0	11.8	14.7	13.5	0.8
Body depth at caudal peduncle	9.9	7.7	15.9	9.1	1.7
Head length	30.8	27.9	31.4	30.0	1.1
Preanal distance	75.0	72.8	77.4	74.7	1.1
Predorsal distance	49.8	47.6	90.6	49.0	0.7
Prepectoral distance	33.0	29.9	33.5	31.5	1.1
Prepelvic distance	53.2	48.7	53.2	51.1	1.3
Anal-apex distance	88.5	86.7	90.6	88.7	1.1
Body width	14.0	11.9	15.5	13.7	0.9
Percentage of HL
Snout length	18.9	18.7	23.8	20.4	1.3
Orbital diameter	37.2	35.2	42.0	38.6	1.8
Cheek depth	7.2	4.3	9.8	7.2	1.4
Anterior naris-orbit	6.2	4.3	8.7	6.3	1.1
Posterior naris-orbit	5.7	5.7	15.3	10.5	2.1
Snout-maxillary tip	20.0	15.6	25.9	19.9	2.5
Interorbital distance	28.4	21.4	35.1	27.5	3.1

[1] Edited by

George Mattox

Brasil

Brasil

A new miniature species of Odontocharacidium (Characiformes: Crenuchidae) from the Río Orinoco basin, Venezuela

ABSTRACT