Red Devil Vampire Crab (Geosesarma hagen)
- Low stock - 3 items left
- Backordered, shipping soon
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 Red Devil Vampire Crab is one of the most intensely colored members of the Geosesarma genus. Known for its rich red coloration and brilliant yellow eyes, this striking species quickly becomes the focal point of any paludarium. Its dramatic appearance and active personality have made it a favorite among hobbyists seeking a truly unique display animal.
Unlike many semi-terrestrial crabs that remain hidden for much of the day, Red Devil Vampire Crabs are often observed exploring their environment, climbing hardscape, and searching for food among leaf litter and mosses. Their vibrant red coloration creates a stunning contrast against tropical plants, driftwood, and natural botanicals commonly used in bioactive enclosures.
Like many Vampire Crabs, coloration can vary somewhat between individuals based on age, sex, genetics, molt cycle, diet, and environmental conditions. Mature males often develop more intense coloration and larger claws, while many individuals become increasingly colorful as they mature and complete additional molts.
What We Love About This Crab
• Intense red coloration with bright yellow eyes
• Active and entertaining behavior
• Excellent choice for bioactive paludariums
• A true centerpiece species for tropical enclosures
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%
Natural Habitat
Geosesarma hagen originates from humid tropical forest habitats in Indonesia where it inhabits areas near streams, springs, and permanently moist forest-floor environments. These habitats are rich in fallen leaves, mosses, roots, and decaying wood that provide both shelter and feeding opportunities.
Unlike fully aquatic crabs, Red Devil Vampire Crabs spend most of their lives on land while remaining closely associated with freshwater. Warm temperatures, dense vegetation, and consistently high humidity characterize the environments where these crabs naturally occur.
Replicating these conditions within a paludarium often results in the best coloration, activity levels, and long-term success.
Paludarium Design and Aquascaping
Red Devil Vampire Crabs thrive in heavily planted paludariums that emphasize land area, humidity, and environmental complexity. A naturalistic enclosure not only highlights their brilliant red coloration but also encourages natural behaviors such as climbing, foraging, exploring, and establishing small territories.
We recommend using a moisture-retaining substrate such as coconut fiber, coco husk, organic topsoil, ABG-style substrate mixes, or other tropical terrarium substrates that support plant growth and humidity retention. A generous layer of leaf litter should cover much of the land area to provide shelter, encourage natural foraging behavior, and support beneficial microorganisms within the enclosure.
Incorporating cork bark, driftwood, rocks, roots, and deep leaf litter helps create visual barriers and secure hiding places throughout the enclosure. These features reduce territorial disputes while providing molting sites, climbing opportunities, and sheltered retreat areas. Multiple hiding places are especially important when maintaining groups.
Plants such as Pothos (Epipremnum aureum), Creeping Fig (Ficus pumila), Java Moss (Taxiphyllum barbieri), Bucephalandra species, tropical ferns, and various mosses thrive in vampire crab habitats while helping maintain humidity and creating a more natural environment.
Red Devil Vampire Crabs are exceptionally well-suited for bioactive tropical paludariums featuring springtails, isopods, botanicals, mosses, and abundant hardscape. These ecosystem components help create a more natural enclosure while supporting waste breakdown and encouraging natural behaviors. For most hobbyists, a heavily planted tropical forest-floor paludarium provides the ideal long-term habitat for this species.
Diet and Feeding
Red Devil Vampire Crabs are omnivorous scavengers that spend much of their time searching for food among leaf litter, mosses, driftwood, and other hardscape. In nature they consume insects, worms, small crustaceans, fruits, seeds, decaying plant matter, and other organic debris found throughout the forest floor ecosystem.
A varied diet is important for long-term health, successful molting, reproduction, and vibrant coloration. Quality fish flakes, invertebrate foods, shrimp foods, sinking pellets, bloodworms, black soldier fly larvae, frozen foods, and occasional fruits and vegetables all make excellent additions to their diet. Most hobbyists find that Vampire Crabs readily accept a wide variety of prepared foods.
Protein-rich foods help support growth and molting, while a varied diet containing both plant and animal matter helps replicate the diverse food sources these crabs encounter in nature. Offering multiple food types throughout the week often encourages more natural foraging behavior and can contribute to improved coloration and overall condition.
Leaf litter also plays an important role in many vampire crab enclosures. Indian Almond Leaves, Guava Leaves, Magnolia Leaves, and other botanicals help create a more natural environment while supporting microorganisms and biofilms that become part of the enclosure's food web.
Most Vampire Crabs are opportunistic feeders and will actively explore their enclosure in search of food. Many hobbyists enjoy observing them forage through mosses, leaf litter, driftwood, and other hardscape features during their most active hours.
Providing a varied diet often results in more active animals, healthier molts, stronger breeding performance, and improved coloration over time.
Tank Mates and Compatibility
Red Devil Vampire Crabs are generally peaceful and are often best maintained in small groups of their own species. Small colonies frequently display more natural behaviors, increased activity levels, and greater confidence than solitary individuals.
A group of 3–6 crabs is often an excellent starting point for a properly designed enclosure. Because Vampire Crabs establish small territories, every enclosure should include abundant hiding places, visual barriers, leaf litter, driftwood, mosses, and multiple feeding locations.
We strongly recommend keeping only a single Vampire Crab species per enclosure. While many species may appear similar, different Geosesarma species should not be mixed due to potential territorial conflicts, stress, and breeding complications.
Springtails and isopods are among our favorite companions because they occupy different ecological niches while helping maintain enclosure cleanliness and ecosystem stability.
Some hobbyists also maintain freshwater snails within the aquatic portion of larger paludariums. Freshwater shrimp may survive in heavily planted setups, but occasional predation should always be expected.
Ecosystem Match
Red Devil Vampire Crabs excel in tropical bioactive paludariums featuring tropical plants, mosses, leaf litter, driftwood, cork bark, springtails, isopods, snails, and botanical enrichment.
Shrimp Safe
Red Devil Vampire Crabs are not considered shrimp safe.
Although some adult shrimp may survive in larger paludariums with abundant cover, Vampire Crabs are opportunistic predators that may prey upon shrimp if given the opportunity.
Shrimp Compatibility Rating
Adult Shrimp: Moderate Compatibility
Juvenile Shrimp: Low Compatibility
Shrimplets: Very High Predation Risk
Breeding
Like other members of the Geosesarma genus, Red Devil Vampire Crabs are direct developers.
Females carry eggs beneath their abdomen until fully formed juvenile crabs emerge. Unlike many aquatic crab species, there is no free-swimming larval stage requiring brackish or marine water.
Stable humidity, abundant cover, quality nutrition, and mature bioactive conditions often contribute to successful breeding.
Breeding Difficulty
Moderate
Reproduction Type
Direct Development
Frequently Asked Questions
Are Red Devil Vampire Crabs beginner friendly?
Yes. Red Devil Vampire Crabs are considered one of the more beginner-friendly Vampire Crab species when provided with a proper paludarium and stable humidity levels.
Are Red Devil Vampire Crabs a good first Vampire Crab?
Absolutely. Their hardy nature, striking coloration, and active behavior make them an excellent introduction to Vampire Crab keeping.
Which Vampire Crab is best for beginners?
Red Devil Vampire Crabs, Purple Vampire Crabs, Purple Haze Vampire Crabs, White Mandarin Vampire Crabs, and Halloween Vampire Crabs are all excellent beginner-friendly choices.
What makes Red Devil Vampire Crabs different from other Vampire Crabs?
Red Devil Vampire Crabs are best known for their deep red coloration and vivid yellow eyes, making them one of the most dramatic-looking members of the Geosesarma genus.
What is the difference between Red Devil Vampire Crabs and Purple Vampire Crabs?
Purple Vampire Crabs (Geosesarma dennerle) display vivid purple coloration, while Red Devil Vampire Crabs are known for their rich red coloration.
What is the difference between Red Devil Vampire Crabs and Purple Haze Vampire Crabs?
Purple Haze Vampire Crabs typically display darker purple and graphite tones, while Red Devil Vampire Crabs display brighter red coloration.
What is the difference between Red Devil Vampire Crabs and Halloween Vampire Crabs?
Halloween Vampire Crabs are known for bright orange coloration and yellow eyes, while Red Devil Vampire Crabs typically display deeper red coloration.
What is the difference between Red Devil Vampire Crabs and Carnival Vampire Crabs?
Carnival Vampire Crabs often display multiple colors simultaneously, while Red Devil Vampire Crabs are known for their more consistent red coloration.
What is the difference between Red Devil Vampire Crabs and White Mandarin Vampire Crabs?
White Mandarin Vampire Crabs display lighter coloration with contrasting markings, while Red Devil Vampire Crabs are known for their deep red appearance.
What is the difference between Red Devil Vampire Crabs and Orchid Vampire Crabs?
Orchid Vampire Crabs generally display purple and lavender coloration, while Red Devil Vampire Crabs display red coloration.
What is the difference between Red Devil Vampire Crabs and Tomato Vampire Crabs?
Tomato Vampire Crabs may display orange-red or reddish-orange coloration, while Red Devil Vampire Crabs typically develop darker and deeper red coloration.
Which Vampire Crab is the most colorful?
Many hobbyists consider Red Devil, Purple, Orchid, Halloween, and Carnival Vampire Crabs among the most colorful species available.
Are Red Devil Vampire Crabs social?
Yes. They are generally social animals and are often best maintained in small groups.
Should Red Devil Vampire Crabs be kept alone or in groups?
We generally recommend keeping them in groups whenever possible. Small colonies often display more natural behaviors and increased activity levels.
How many Red Devil Vampire Crabs should I keep together?
A group of 3–6 individuals is often an excellent starting point for a properly designed paludarium.
Can multiple male Red Devil Vampire Crabs live together?
Yes, provided the enclosure contains adequate space, hiding places, visual barriers, and multiple feeding areas.
Can different Vampire Crab species live together?
We do not recommend mixing different Vampire Crab species. Even closely related species may compete for territory and resources.
Why is my Red Devil Vampire Crab hiding all the time?
Newly introduced crabs often spend time hiding while acclimating. Insufficient cover, low humidity, recent molting activity, or stress can also contribute to hiding behavior.
Will Red Devil Vampire Crabs become more active in groups?
Many hobbyists report that Vampire Crabs become more confident and display more natural behavior when maintained in appropriately sized groups.
Are Red Devil Vampire Crabs good for bioactive paludariums?
Absolutely. They are among the most popular inhabitants for tropical bioactive paludariums.
Can Red Devil Vampire Crabs live with springtails?
Yes. Springtails are one of the best cleanup crew organisms for Vampire Crab habitats.
Can Red Devil Vampire Crabs live with isopods?
Yes. Most tropical isopod species coexist very well with Red Devil Vampire Crabs.
What plants work best with Red Devil Vampire Crabs?
Pothos, Creeping Fig, Java Moss, Bucephalandra, tropical ferns, and other humidity-loving plants are excellent choices.
Do Red Devil Vampire Crabs need live plants?
Live plants are not required, but they help maintain humidity, create cover, and contribute to a more natural environment.
Do Red Devil Vampire Crabs need a paludarium?
Yes. Red Devil Vampire Crabs are semi-terrestrial animals and require both land and freshwater areas.
Can Red Devil Vampire Crabs live in a fully aquatic aquarium?
No. They should never be maintained in a traditional aquarium without access to substantial land areas.
Do Red Devil Vampire Crabs climb?
Yes. They are excellent climbers and frequently explore driftwood, cork bark, rocks, roots, and plants.
Are Red Devil Vampire Crabs nocturnal?
They are most active during the morning, evening, and nighttime hours, although comfortable individuals may also be visible during the day.
Will my Red Devil Vampire Crab look exactly like the photos?
Not necessarily. Coloration and patterning can vary based on age, sex, genetics, molt cycle, diet, and environmental conditions.
Do Red Devil Vampire Crabs become more colorful as they mature?
Yes. Many individuals develop stronger coloration as they grow and complete additional molts.
Do Vampire Crabs become more colorful after molting?
Often, yes. Many hobbyists observe improved coloration following successful molts.
Are male and female Red Devil Vampire Crabs different colors?
Males often display stronger coloration and larger claws, although individual variation is common.
Can the same Vampire Crab species display different colors?
Yes. Individual animals may display varying shades and color intensity while still belonging to the same species.
Why do some Vampire Crab species look similar?
Many Vampire Crabs belong to the same Geosesarma genus and share similar body shapes, eye coloration, and physical features. Color alone is not always enough to identify a species.
Why is my Red Devil Vampire Crab less colorful than the photos?
Age, sex, genetics, diet, stress, molt cycle, and enclosure conditions can all influence coloration.
Can Red Devil Vampire Crabs reproduce in captivity?
Yes. Mature, stable paludariums often support successful breeding.
Are Red Devil Vampire Crabs easy to breed?
Compared to many aquatic crab species, they are relatively straightforward because they do not require a marine larval stage.
How do Red Devil Vampire Crabs reproduce?
Females carry eggs beneath their abdomen until fully formed juvenile crabs emerge. There is no free-swimming larval stage.
For the safety of our animals, we only ship live fish, crabs, and select other inverts exclusively via UPS 1 Day Air. If your order contains this item, you will only see UPS 1 Day Air as a shipping option during checkout. If other items are in your cart that can ship with 2 day or standard shipping options the only shipping method you can still select is UPS 1 Day Air.
UPS 1 Day is a description of the duration of time a shipment will spend in transit once it has been shipped. This does not guarantee the package will be shipped the same or next day from which the order was placed.
Shipping Schedule for this service
Current Handling Time:
1-9 business days
Here at Aquatic Arts, we consider the welfare of the live animals we are shipping to be of the foremost importance. This process is much more involved than simply creating a shipping label and affixing it to a box. Depending on the order, it takes from 4 to 7 people to complete this process properly. We check the weather conditions here where they fly out of the Indianapolis UPS facility and the destination for each shipment. We start early each morning and go through a multi-step process to have the day's shipments prepared in time for the UPS pickup. The volume of orders in our system also affects the processing time. Therefore our stated handling time is 1-9 business days.
Shipping Rate
Pricing is by size of package needed to fill entire order and distance it must travel. It will be calculated at checkout.
Live Arrival Guarantee
We stand behind the health and quality of every Vampire Crab we ship. Each animal is carefully quarantined, observed, and conditioned before leaving our facility to ensure it arrives healthy and ready to thrive in its new home.
Every order is backed by our 100% Live Arrival Guarantee. If an issue occurs during transit, please email photos of the animal and packaging within the timeframe outlined in our policy to info@aquaticarts.com so our team can assist you.
For complete guarantee details, reporting requirements, and claim deadlines, please review our Live Arrival Guarantee Policy:
https://aquaticarts.com/policies/refund-policy
In addition to our Live Arrival Guarantee, every purchase includes access to our experienced support team. Whether you have questions about enclosure design, humidity, feeding, breeding, or compatibility, we are here to help you succeed.
Best Fishes,
The Aquatic Arts Team
