Tiger Pistol Shrimp

Tiger Pistol Shrimp

Available for local pickup only

 

The Tiger Pistol Shrimp (Alpheus bellulus), also known as the Snapping Shrimp, is a fascinating invertebrate admired for both its utility and unique behavior. It gets its name from its bold, tiger-like striping and its specialized claw, which can snap shut at lightning speed, creating a loud “pop.” In nature and in aquariums, this shrimp often forms a mutualistic symbiotic relationship with gobies, such as the Yellow Watchman Goby. The shrimp maintains and digs the burrow, while the goby acts as a vigilant lookout for predators—an incredible partnership to witness in a home reef.

 

Key Care Information

• Species: Alpheus bellulus

• Common Names: Tiger Pistol Shrimp, Snapping Shrimp

• Size: Up to 3 in (7.5 cm)

• Temperament: Semi-aggressive toward other shrimp; peaceful with goby partners and most fish

• Reef Safe: ✅ Yes – safe with corals and most inverts, but may rearrange sand and rockwork

• Tank Size: 20+ gallons (best with sand substrate)

• Placement: Sand bed with live rock for burrow construction

 

Tank Requirements

• Substrate: Fine sand is essential for burrow digging

• Aquascape: Stable rockwork to prevent collapses from burrow activity

• Lighting: Not picky; often spends time in burrows during the day

• Water Flow: Moderate; avoid overly strong flow near the sand bed

• Water Parameters:

  • Temperature: 72–78°F (22–26°C)

  • Salinity: 1.023–1.025

  • pH: 8.1–8.4

  • dKH: 8–12

 

Diet & Feeding

Tiger Pistol Shrimp are opportunistic carnivores/scavengers. In the wild, they feed on small worms, crustaceans, and organic matter. In captivity, they accept:

• Frozen mysis shrimp

• Brine shrimp

• Chopped seafood

• Sinking pellets or meaty marine foods

👉 Feeding 2–3 times per week is usually sufficient, especially if paired with a goby that helps alert them to food.

 

Behavior & Compatibility

• Famous for its symbiosis with gobies (like Yellow Watchman, Randall’s, and Yasha gobies). The goby acts as lookout, while the shrimp constructs and maintains the burrow—both benefit from this partnership.

• Can be territorial toward other pistol shrimp and sometimes aggressive toward similar species.

• Peaceful with fish, corals, and most inverts.

• May rearrange aquascaping due to constant burrow digging.

 

Special Notes

• Known for the snapping sound produced by its claw. This is not harmful to fish or aquarists but can be startling. The snap is actually a cavitation bubble that collapses with tremendous force, capable of stunning small prey.

• Needs a sandy substrate—will not thrive in bare-bottom tanks.

• If kept alone, it may hide most of the time; pairing with a goby makes it far more visible and engaging.

 

✅ Fun Facts

• The snap of a pistol shrimp’s claw can reach speeds of up to 60 miles per hour and create a sound as loud as a gunshot underwater (up to 210 decibels).

• The collapsing cavitation bubble from the snap briefly generates a temperature nearly as hot as the surface of the sun—though only on a microscopic scale.

• Their burrow systems often have multiple entrances, and they continually remodel them, acting like little reef engineers.