Keeper guide

Mexican Pink Tarantula Feeding Guide — Brachypelma klaasi

Feed Mexican Pink Tarantulas according to size, appetite and condition rather than a fixed weekly schedule. Brachypelma klaasi is a slow-growing terrestrial species, so small juveniles often eat more regularly than adults.

At a glance

Quick facts

World
New World
Origin
Mexico
Lifestyle
Terrestrial
UK hobby rarity
Uncommon
Maximum size
About 14–16 cm (5.5–6.25 in)
Growth rate
Slow
Male lifespan
Roughly 4–6 years
Female lifespan
Often 20 years or more
Temperament
Usually deliberate but can defend itself with urticating hairs
Venom
Venomous, but bites are not generally regarded as medically significant
Temperature
20–25°C
Moisture / humidity
Mostly dry; full water dish and good ventilation
CITES
CITES Appendix II; UK Annex B

How often should you feed?

There is no single feeding interval that suits every Brachypelma klaasi. A small sling may take modest meals quite regularly, while a large adult can go much longer between feeds.

If a Mexican Pink Tarantula has eaten recently and the abdomen already looks well filled, wait before offering more. One refused meal is rarely important on its own.

Choosing prey

Offer Brachypelma klaasi established feeder insects that the spider can overpower without a long struggle. Crickets, locusts and roaches are all commonly used where they are legal and appropriately sized.

For very small Mexican Pink Tarantulas, use smaller prey or a suitable pre-killed feeder if that makes feeding safer. Increase prey size gradually as the spider grows.

Slings and juveniles

Young Mexican Pink Tarantulas generally moult more often than adults, so they usually eat smaller meals more frequently. Keep portions sensible and remove leftovers from the Brachypelma klaasi enclosure.

A juvenile Mexican Pink Tarantula may stop eating before a moult. If the spider is hiding more, closing its retreat or ignoring prey it would normally take, remove the feeder and give it time.

Adults

Adult Brachypelma klaasi do not need to be kept permanently full of food. As the spider approaches an adult size of about 14–16 cm (5.5–6.25 in), feeding can usually be spaced farther apart than during rapid juvenile growth.

Use the abdomen as a rough guide for Mexican Pink Tarantulas. If it is already very large, another heavy meal is unnecessary.

Food refusal and premoult

Food refusal in Brachypelma klaasi can happen for normal reasons including premoult, recent rehousing, maturity or a period of lower appetite. Check water, temperature and the enclosure before assuming there is a problem.

If premoult looks likely in a Mexican Pink Tarantula, remove live prey and keep fresh water available. Do not keep offering new feeders every day.

Feeding after a moult

After Brachypelma klaasi moults, wait until the new exoskeleton has hardened and the fangs have darkened before feeding again. Small slings recover faster than large adults.

When a Mexican Pink Tarantula is ready to eat again, offer a modest first meal rather than several feeders at once.

Water, leftovers and safe feeding

Keep fresh water available to Brachypelma klaasi even when the spider is feeding well. Remove discarded prey remains before they sit in damp substrate and begin to spoil.

There is no need to hand-feed Mexican Pink Tarantulas. Place prey into the enclosure from a sensible distance, use tongs for removing leftovers when needed and keep your hands out of the spider's path.