Cyriocosmus

There are 23 accepted species of Cyriocosmus, which are found in South America, Trinidad and Tobogo. All species have type 3 urticating hairs. Four species are in synonymy. This genus comprises some of the smallest tarantula species.

Source: Fukushima 2005

Source: Kaderka 2019

Genus and species: Cyriocosmus ritae

Common name: Peruvian Black & White

Given name: Cortado

C. ritae can be found in the forests of Peru and Brazil. This is a dwarf species but fast-growing. They have beautiful black and white colorations with unique abdominal patterns. Considered fossorial but may climb as well.

Habitat: native to tropical rainforests with dense vegetation and humid environments. This is considered a fossorial species and will burrow under fallen logs, leaf litter, or crevices.

Husbandry Notes:

Enclosure: 4 in 360

Flora: Bio naturalistic

Sex: Undetermined

Life stage: Juvenile to sub-adult

Size: Approximately 1.25 inches

Growth: Molted recently

Disposition: Sling behavior and twitchy

Eating habits: Strong feeding response

Misc: Generally visible

Genus and species: Cyriocosmus perezmilesi

Common name: Bolivian Dwarf Beauty

Given name: Bean

C. perezmilesi is a fossorial dwarf species found in Bolivia. They have black heart-shaped patch in the middle of their abdomen. Their coloration is copper and black. They have an aggressive feeding response. Adults grow to approximately 2 inches, but tend to grow quickly to this length. The species name perezmilesi honors Dr. Fernando Pérez-Miles, a renowned Uruguayan arachnologist.

Habitat: native to tropical areas of Bolivia near the Beni River. They burrow but are commonly visible.

Husbandry Notes:

Enclosure: 4x3x2.5

Flora: Substrate

Sex: Undetermined

Life stage: Sling

Size: Approximately 0.5 inches

Growth: Steady growth, has not molted

Disposition: Sling behavior

Eating habits: Strong feeding response

Misc: Always visible and will take down larger prey