Aphonopelma anax, commonly known as the Texas Tan Tarantula, is a large, terrestrial tarantula species native to southern Texas and northern Mexico. It is a popular and hardy species in the exotic pet trade due to its typically docile nature and ease of care, making it suitable for beginners. 
 
Key Information
Scientific Name: Aphonopelma anax
Common Name: Texas Tan Tarantula, Kingsville Bronze
Origin: Southeastern Texas, USA, and Northern Mexico
Adult Size: One of the largest tarantulas in the United States, adult females can reach a leg span of 5 to 6 inches (13–15 cm).
Appearance: Coloration is predominantly tan with darker shades of brown, often appearing darker than the similar Aphonopelma hentzi.
Temperament: Generally considered non-aggressive and avoids confrontation; it is known for its calm temperament. When provoked, it may use its hind legs to kick irritating urticating hairs.
Lifespan: Females are known to be very long-lived, potentially up to 40 years or more, while males typically live only a couple of years after maturing.
Growth Rate: This species has a very slow growth rate. 
 
Care Requirements
Habitat: A terrestrial species that is an opportunistic burrower. It should be housed in an enclosure with several inches of substrate (such as a mix of peat moss, vermiculite, or coconut fibre) to allow for burrowing. A secure hide should also be provided.
Temperature & Humidity: Thrives in a semi-arid environment, with a temperature range of 70°F–85°F (21°C–29°C) and moderate humidity levels around 55%–70%.
Feeding: An excellent eater that preys on a variety of insects, such as crickets, mealworms, and roaches. Adults typically eat every 7 to 14 days.