Purple Vampire Crab
Geosesarma dennerle
Purple Vampire Crab (Geosesarma dennerle) — Intermediate care, Semi-aggressive, under Other. Minimum tank in the app: 10.6 US gal min; aim for 72–79°F and pH 6.5–7.5. Details below match the app.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Indonesia (Java)
- East & Southeast Asia
Regional colours match the stocking calculator’s origin map.
Purple Vampire Crab Tank Setup
Plan for at least 10.6 US gal min of water—that is the minimum in our database for a workable setup, not a challenge to crowd fish. Aim to hold 72–79°F and pH 6.5–7.5 without daily drama. These fish use the Bottom/land zone most, so put wood, plants, or open water there accordingly.
What Do Purple Vampire Crabs Eat?
We record diet as Omnivore (insects leaf litter). Offer a few food types that match—dry, frozen, or gel—and swap now and then. One flake every day for a year is how dull color and gut trouble creep in.
Purple Vampire Crab Tank Mates
Temperament in the data: Semi-aggressive. Treat small tank mates as potential snacks once the fish grows. Primarily terrestrial; paludarium setup required Plug your full stock list into the stocking calculator—single-species compatibility scores are hints, not a whole-tank verdict.
Are Purple Vampire Crabs Good for Beginners?
We rate this as intermediate. Budget time for testing, maintenance, and watching behaviour if the water looks fine but the fish do not. If this would be your very first tank, start with something more forgiving and come back to this one.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




