Armed pistol shrimp
Alpheus armatus
InvertebrateMarine
This shrimp has a disproportionate claw that produces a snap. Its coloration is generally beige or brown with spots. It lives in symbiosis with gobies of the genus Ctenogobius. It digs burrows under rocks. It is diurnal and feeds on small crustaceans and detritus. Its claw is used for defense and hunting. It reaches about 4 cm. It is an interesting species for reef aquariums.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 24–28 |
| pH | 8.1–8.4 |
| GH | 8–12 |
| KH | 8–12 |
| Salinity | 1.023–1.025 |
| NO₃ | ≤ 20 |
| PO₄ | ≤ 0.1 |
Care
Difficulty2/5
Dietomnivore
Min. tank30 L
Min. group1
Adult size4 cm
Lifespan2 ans
Temperamentterritorial
Care notes
Temperature 24-28°C, pH 8.1-8.4, salinity 1.023-1.025. A minimum tank size of 30 liters is recommended. Sandy substrate and rocks are needed. Diet: small pieces of fish, shrimp, frozen foods. Moderate lighting, moderate flow. It can be territorial with other shrimp. Presence of a goby is beneficial. Captive breeding is rare.