Common name: Beautiful goby shrimp

General information

The Tiger Pistol Shrimp, scientifically known as Alpheus bellulus, is a fascinating marine invertebrate known for its symbiotic relationship with certain species of gobies. This small shrimp is characterized by its vibrant coloration, typically featuring a cream or white body with distinct brown or reddish-brown bands that resemble tiger stripes. The most notable feature of the Tiger Pistol Shrimp is its oversized claw, which it uses to create a loud snapping sound. This sound is not only a defense mechanism but also aids in hunting by stunning prey.

Care

Tiger Pistol Shrimp are popular in the reef aquarium hobby due to their interesting behavior and relatively easy care requirements. They thrive in tanks with plenty of live rock and a sandy substrate, which they use to construct burrows. These shrimp are generally peaceful but can be territorial towards other burrowing invertebrates. They are omnivorous and will accept a variety of foods, including frozen mysis, brine shrimp, and specialized shrimp pellets.

Reproduction

In the wild, Tiger Pistol Shrimp are known to reproduce through a process called sexual dimorphism, where males and females are distinctly different in size and morphology. The females carry the eggs until they hatch into free-swimming larvae. In the aquarium, breeding is less common but can occur if conditions are optimal and a male and female pair is present.

Symbiosis

One of the most intriguing aspects of the Tiger Pistol Shrimp is its symbiotic relationship with certain goby species, such as the @species:stonogobiops-yasha and @species:amblyeleotris-steinitzi. The shrimp and goby share a burrow, with the shrimp maintaining the structure and the goby standing guard. The shrimp has poor eyesight and relies on the goby for warning signals of approaching danger. In return, the goby benefits from the shrimp's excavation activities, which create a safe haven.

Habitat

Tiger Pistol Shrimp are found in the Indo-Pacific region, from the Red Sea and East Africa to the western Pacific. They inhabit shallow reef environments, often associating with rubble and coral areas where they can easily dig and maintain their burrows.