Where do *Brachycephalus olivaceus* live?

*Brachycephalus olivaceus* are found in the mountainous regions of the Atlantic Forest in southeastern Brazil, at elevations between 800 and 1,200 meters. They prefer humid environments and live hidden under forest litter, fallen logs, and rocks, becoming active at night to forage for insects, spiders, and earthworms.

Are *Brachycephalus olivaceus* poisonous?

Yes, *Brachycephalus olivaceus*, like other members of the genus *Brachycephalus*, secrete toxins from their skin. Their poison is tetrodotoxin, a potent neurotoxin also found in pufferfish, and is deadly even in small doses. This toxin is thought to be their primary defense mechanism.

Are *Brachycephalus olivaceus* endangered?

*Brachycephalus olivaceus* are facing a decline in population due to habitat loss, deforestation, and pesticide use, putting them at risk of extinction. They are listed as Vulnerable (VU) on the IUCN Red List, highlighting the need for conservation efforts.

Animal Article

Brachycephalus olivaceus

Hidden in the Atlantic Forest of southeastern Brazil, *Brachycephalus olivaceus*, a small frog with an olive hue, is a more subtly colored species within the genus. However, like its vibrant relatives, its ecology is shrouded in mystery. Let's embark on a journey to explore the intriguing world of *Brachycephalus olivaceus*!