Alpheidae

Alpheidae is a family of decapod crustaceans, commonly called snapping shrimps. Many species have one enlarged claw that creates a loud snap by generating a collapsing cavitation bubble.

Cavitation: Cavitation is the formation and collapse of vapor-filled cavities in a liquid when local pressure falls. The claw's rapid water jet creates a cavitation bubble whose collapse produces the characteristic snap.
Marine bioacoustics: Marine bioacoustics studies sound production, transmission, and reception by organisms in the ocean. Alpheidae are a major source of biological sound in shallow marine habitats.
Decapoda: Decapoda is an order of crustaceans that includes crabs, lobsters, and shrimp. Alpheidae belong to this order and share its defining arrangement of five pairs of walking legs.
Gobiesocidae: Gobiesocidae is a family of marine fishes commonly called clingfishes. Some snapping shrimps share burrows with small fishes, including species that act as sentinels.
Alpheus formosus: Alpheus formosus is a snapping shrimp species found in the western Atlantic and Caribbean. It is among the species whose snaps contribute to the dense sound of tropical coastal waters.
Alpheus heterochaelis: Alpheus heterochaelis is a large snapping shrimp species native to the western Atlantic. Its claw mechanics and snapping behavior have been studied in detail.
Underwater noise: Underwater noise is sound in aquatic environments from biological, geological, and human sources. Dense snapping-shrimp choruses can dominate recordings and complicate acoustic monitoring.
Caridea: Caridea is an infraorder of shrimp distinguished by features including a flexible abdomen and a second abdominal segment overlapping adjacent segments. Alpheidae are caridean shrimp, despite their distinctive enlarged claw.
Alpheus bellulus: Alpheus bellulus is a snapping shrimp species known to form burrow partnerships with gobies. Its association illustrates how shrimp burrows can shelter fish as well as their builders.
Synalpheus regalis: Synalpheus regalis is a eusocial snapping shrimp that lives in sponge colonies in the Caribbean. Its colonies show that complex social organization occurs within Alpheidae.

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