Grammostola pulchripes (Chaco Golden Knee)
Country of Origin: Paraguay, Argentina
Natural Environment and Behavior:
The Grammostola pulchripes, commonly known as the Chaco golden knee tarantula, is a terrestrial tarantula species with a robust body structure. In terms of sexual dimorphism, mature males have longer legs and smaller bodies compared to females. They possess tibial hooks or apophyses, which are used to restrain the female’s fangs during mating. Males also have modified pedipalps to transfer sperm into the female’s genital operculum.
This species exhibits a vibrant range of colors. It features bright yellowish leg stripes, dark black “femurs,” and pink hairs covering its body. Similar to other members of the Grammostola genus, the Chaco golden knee tarantula has large fangs, and its carapace is elevated to accommodate the size of its chelicerae. While its eyesight is rudimentary, it compensates with sensory setae covering its body, which allow it to detect vibrations through the ground and air, as well as perceive chemical cues akin to a sense of smell.
The natural habitat of the Chaco golden knee tarantula encompasses the grasslands of Argentina and Paraguay. These regions experience generally warm climates with alternating dry and rainy seasons. As a result, the tarantula has adapted to thrive in such conditions.
One notable aspect of the Chaco golden knee tarantula is its calm and docile temperament, which, combined with its striking appearance and substantial size, makes it an appealing choice as a pet. In captivity, it is often observed sitting in plain view, and it displays an affinity for rearranging substrate, particularly during its earlier stages of development.
Tarantula enthusiasts are captivated by the beauty and demeanor of the Chaco golden knee tarantula. Its distinct coloration, impressive size, and relatively tranquil nature contribute to its desirability as a pet. Whether in the grasslands of its natural habitat or in the carefully arranged terrariums of enthusiasts, this species continues to fascinate and delight tarantula enthusiasts around the world.
Husbandry:
Keep at 70-80% humidity and 24-26°C, use a mix of peat moss and vermiculite.
Enclosure Size:
5-10 cm for spiderlings, 15-20 cm for juveniles, and 30 cm or more for adults.