Goliath Birdeater

Overview

Among the largest spiders on Earth, heavy-bodied with urticating hairs and a defensive nature. Its scientific name is Theraphosa blondi. Native to South America (Guyana), it is a popular invertebrate pet valued for its distinctive form and behavior.

History & Origin

As arachnids, these species belong to an ancient terrestrial lineage distinguished by eight legs and chelicerae rather than mandibles. They have been kept by enthusiasts for decades, with captive breeding now producing many stable, well-understood lines. In the wild it is found across South America (Guyana).

Appearance & Size

Goliath Birdeater is a tarantula whose adult size typically reaches about 20–28 cm. Its body form is characteristic of Tarantulas, making it easy to recognize among its relatives.

Temperament

Tarantulas are typically calm and slow-moving, but they can be skittish; handle rarely and support the body, as they may flick hairs or bite if threatened.

Care & Husbandry

Tarantulas are kept in a secure, well-ventilated terrarium with a burrowing substrate or a hide, a shallow water dish, and temperatures matched to the species. They feed on live insects such as crickets and roaches. Handle them minimally—most are calm but can be skittish and may flick urticating hairs or bite if provoked.

Health & Lifespan

With proper husbandry, Goliath Birdeater typically lives Females 15–25 years in captivity. Provide species-appropriate environment, diet and hygiene, and watch for common issues such as molting problems, parasites and poor water or humidity.

Popularity & Recognition

Tarantulas are among the most popular pet arachnids worldwide, beloved for their size, variety and surprisingly calm nature, with dozens of species suited to beginners and specialists alike.