Freshwater Crab (Geosesarma, Cardisoma and related species) is a intermediate-level freshwater invertebrate that needs at least 10 gallons and 72-82°F. Vampire, panda, red devil and other crabs are semi-terrestrial. They need land area and a very secure lid.
Care facts at a glance
| Scientific name | Geosesarma, Cardisoma and related species |
|---|---|
| Family | Varies |
| Origin | Southeast Asia and elsewhere |
| Adult size | 1-3 in |
| Minimum tank | 10 gallons |
| Temperature | 72-82°F |
| pH | 6.5-8.0 |
| Temperament | Escape artist |
| Social behavior | Species-dependent |
| Swim level | Land and water |
| Difficulty | Intermediate |
| Diet | Omnivore: pellets, vegetables, frozen foods |
| Typical lifespan | 2-4 years |
Quick tips
- Provide land and water.
- Use a very secure lid.
San Diego water
Tolerates San Diego's hard, alkaline tap water (pH roughly 7.6-8.6) with slow acclimation and a conditioner that handles chloramine. Learn the numbers in our San Diego tap water guide.
Before you buy
Make sure your tank is cycled (how to cycle a tank), check your numbers with the water testing guide, and use the compatibility guide to check tankmates. These are general ranges; individual fish and local water vary.
Find it at Pet Zone
Pet Zone Tropical Fish is a San Diego aquarium store with two locations. Stock changes daily, so call ahead if you are after a specific species or plant. Shop online at petzonesd.com.
4160 Convoy St, San Diego, CA 92111
(858) 987-0309
Open daily, 10am-6pm
Aquascaping, planted tanks
4266 University Ave, San Diego, CA 92105
(619) 283-1812
Closed Monday; Tue-Fri 10:30am-6pm, Sat 11am-6pm, Sun 11am-4pm
Monster fish, koi