Ecological aspects of the casque-headed frog Aparasphenodon brunoi (Anura, Hylidae) in a Restinga habitat in southeastern Brazil

Shape: post-treatment males and females showed significant differences from pre-treatment and neighbouring populations that were independent of size (p < 0.05, using

Both species presented a unimodal pattern of seasonal distribution, sexually mature females with significantly larger snout vent length (SVL) than sexually mature males, and

The evolution of sexual size dimorphism is affected by the genetic correlation between females and males, with the most dimorphic traits showing smaller genetic correlations between

structure from the Ubatiba river, showed female predominance in the larger SL classes, suggesting sexual dimorphism for length, with females reaching bigger sizes than males..

Females born at Temaikèn Aquarium had a higher growth rate than males during the second year of life and attained a larger asymptotic size.. In elasmobranchs, females commonly

The larger body size for females is common in snakes, and females tend to be the larger sex in species in which male-male combat has not been recorded (Shine 1994).. The larger

Environmental sex determination may act mainly in species which ex- hibit sexual dimorphism (females larger than males), sperm competition, a prolonged breeding season,

Five species of anuran amphibians, all belonging to the family Hylidae, were collected at Praia das Neves, municipality of Presidente Kennedy, southeastern Brazil,. The species