Halloween Vampire Crab (Geosesarma bicolor)

IMPORTANT: State Shipping Restrictions

Due to state regulations, Vampire Crabs cannot be shipped to Maine.

IMPORTANT: Vampire Crab Habitat Requirements

Vampire Crabs are semi-terrestrial animals and are NOT fully aquatic. They require a paludarium with both land and freshwater areas and should not be maintained in a traditional aquarium. We also recommend keeping only a single Vampire Crab species per enclosure.

Species Overview

The Halloween Vampire Crab is one of the most recognizable and visually striking members of the Geosesarma genus. Its vivid orange body coloration is beautifully contrasted by darker legs and bright yellow eyes, creating a dramatic appearance that immediately stands out in planted paludariums and tropical vivariums. This bold color combination is responsible for the common name "Halloween Vampire Crab" and has made this species a favorite among hobbyists seeking a truly eye-catching display animal.

At Aquatic Arts, we especially appreciate Halloween Vampire Crabs for their active personalities and curious nature. These fascinating crabs spend much of their time climbing, exploring, foraging, and interacting with their environment. Their bright colors create an incredible contrast against tropical plants, driftwood, mosses, and leaf litter, making them exceptional inhabitants for bioactive paludariums and naturalistic terrarium displays.

Like many Vampire Crabs, coloration can vary somewhat between individuals based on age, sex, genetics, molt cycle, and environmental conditions. Many hobbyists observe increasingly vibrant coloration as these crabs mature and complete additional molts within a stable enclosure.

What We Love About This Crab

• Brilliant orange coloration with black eyes

• Active and entertaining behavior

• Excellent choice for bioactive paludariums

• Can be maintained in small social groups

Quick Care Guide

• Care Level: Moderate

• Temperament: Generally Peaceful

• Diet: Omnivorous Scavenger

• Origin: Indonesia

• Adult Size: Approximately 1–1.5 Inches (2.5–3.8 cm)

• Average Purchase Size: Approximately 0.75–1 Inch (1.9–2.5 cm)

• Lifespan: Typically 2–3 Years or Longer

• Activity Level: Most Active During Morning, Evening, and Nighttime Hours

• Social Behavior: Best Kept in Groups

• Recommended Group Size: 3–6 Individuals

Tank Parameters

• Habitat Type: Semi-Terrestrial Paludarium

• Minimum Enclosure Size: 10 Gallons

• Temperature Range: 72–82°F (22–28°C)

• Humidity Range: 75–90%

• pH Range: 6.5–8.0

• Water Type: Freshwater

• Recommended Land Area: 70–80%

• Recommended Water Area: 20–30%