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Grand Canyon Black

Aphonopelma marxi

AphonopelmaTheraphosidae

beginner

Overview

A dark US-native from the Four Corners high country (AZ, NM, CO, UT), reaching about 4 inches. Slow-growing (roughly five years to 3 inches at low-80s temps) and notably docile — keepers report no hair-kicking or threat displays. Keep on about 4 inches of firm peat/coco/vermiculite substrate with a bark hide or starter burrow and a water dish; tolerates a wide temperature range. Hardy classic-New-World beginner care. Urticating hairs; venom not medically significant.

Husbandry Requirements

Temperature & Humidity

Temperature

70-85°F

Humidity

55-70%

Enclosure Sizes

Adult:8x8x6 inches

Substrate

Type:peat/coco/vermiculite mix packed firm; bark hide or starter burrow; water dish
Depth:4 inches

Feeding Schedule

Adult:2 prey weekly

Prey size:

Quick Stats

Type

terrestrial

Adult Size

~4 inches

Growth Rate

slow

Native Region

Arizona, New Mexico, Colorado, Utah, USA

Temperament

docile; not observed to kick hair or threat-pose

Behavior

Webbinglight
BurrowingYes
Water DishRequired

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