Where do *Brachycephalus fuscolineatus* live?

*Brachycephalus fuscolineatus* are found in the mountainous regions of the Atlantic Forest in southeastern Brazil, at elevations between 900 and 1,500 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 fuscolineatus* poisonous?

Yes, *Brachycephalus fuscolineatus*, 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. Their beautiful coloration is thought to be a warning sign to predators, deterring them from eating them.

Are *Brachycephalus fuscolineatus* endangered?

*Brachycephalus fuscolineatus* 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 fuscolineatus

Hidden in the Atlantic Forest of southeastern Brazil, *Brachycephalus fuscolineatus*, a small frog with a dark brown body and brown stripes, is a species that exudes a chic charm within the genus. However, their habitat is currently under threat. Let's embark on a journey to explore the mysterious world of *Brachycephalus fuscolineatus* and the dangers they face.