Mexican Red Knee Tarantula

Mexican Red Knee Tarantula (Brachypelma hamorii)

Mexican Red Knee Tarantula Natural History


The body of these spiders can reach a body size of 75 mm with a leg span of 150 mm. The females are larger than the males.

Habitat and Distribution

The Mexican red knee tarantula inhabits the tropical rainforests of the Sierra Madre del Sur and Sierra Madre Occidental mountain ranges in Mexico.


Females can live for up to 30 years while males usually only live to around the age of 5


These carnivores’ prey on insects, scorpions, small mammals, amphibians, reptiles and birds.

Groups and Breeding

Females lay between 100-400 eggs in their silk sacs. Spiderlings hatch up to two months later.


This is a near threatened species which is challenged by over collection for the pet trade and use of pesticides by locals.

Interesting facts

They may have eight eyes but they have very poor eyesight which they mostly use to differentiate between day and night. Instead of their eyes they use their sensitive hairs for detection and guidance.

The Mexican Red Knee Tarantula During Your Day Out in Kent

This tarantula is on display in the reptile house. This area is home to a number of other invertebrates including a cobalt blue tarantula, Mexican red knee tarantula and flat rock scorpion as well as many reptile and amphibian species.