Overview
The Sulawesi Cardinal Shrimp (Caridina dennerli) is a advanced freshwater species known for its red, white spots, white antennae coloration. Requires hot alkaline water. On rock surfaces.
Origin & Appearance
Origin: Sulawesi, Indonesia.
Colors: Red, White spots, White antennae.
Body Shape: Shrimp (curved crustacean). Typical adult dimensions: 2.5 x 0.4 x 0.6.
Sexual Dimorphism: Moderate; females larger with curved underbelly (saddle visible).
Tank & Water Requirements
| Min Tank Size | 5 gallons |
| Temperature | 81–84°F |
| pH Range | 7.8–8.5 |
| Water Hardness (GH) | 6-8 |
| Bioload | very-high |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | On rock surfaces |
Behavior & Activity
Slow rock grazer; walks over lava rock and surfaces picking biofilm; less active than Neocaridina; stays on substrate
Speed: 30/100Aggression: 1/10diurnalSchooling (6+)
Breeding
Difficult; requires stable hot alkaline water
Common Diseases
💊 Very sensitive to any water parameter changes
Expert Notes
Requires hot alkaline water; rare