Artículos de revistas
Life history traits of parental care in crenicichla lepidota (Cichliformes, geophagini) in the upper Paraguay river basin, Brazil
Fecha
2021-01-01Registro en:
Papeis Avulsos de Zoologia, v. 61, p. 1-5.
1807-0205
0031-1049
10.11606/1807-0205/2021.61.03
S0031-10492021000100203
2-s2.0-85100197586
S0031-10492021000100203.pdf
Autor
Universidade Federal de Mato Grosso do Sul (UFMS)
Universidade Estadual Paulista (Unesp)
Institución
Resumen
During focal observations carried out in the Olho d’Água River, upper Paraguay River basin, Brazil, we registered the defensive behaviour of one pair of Crenicichla lepidota attempting to protect their offspring from conspecific and non-specific predators. Adults exhibited substrate-guarding behaviour and displayed primary and secondary anti-predation mechanisms. The primary mechanisms (e.g., fin flicking and flaring, gill extending) were ineffective against conspecific predators or against other species. Secondary mechanisms included charging would-be predators of the offspring, and this tactic was successful against non-specifics. This record confirms, in the wild, agonistic behaviour as an effective secondary defence mechanism used in parental care in Crenicichla lepidota.