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What is Alpheus madhusoodanai?

Feb. 18, 2026

Researchers recently discovered a new species of pistol shrimp named Alpheus madhusoodanai in the Kochi backwaters

About Alpheus madhusoodanai:

  • It is a new species of pistol shrimp, also known as snapping shrimp.
  • It was discovered from Kochi backwaters, Kerala.
  • It belongs to the family Alpheidae.
  • It is the first alpheid shrimp species to be recorded from an estuary in the region.
  • It has a burrowing tendency and contributes to the health of mangrove ecosystems by releasing toxic gases trapped in swampy soil.

Key Facts about Pistol Shrimp:

  • The pistol shrimp, also known as the snapping shrimp, possesses an extraordinary weapon — an oversized claw that can “fire” underwater bullets made of bubbles.
  • These aren’t ordinary bubbles — they’re created through a process called sonoluminescence, “in which water is energised with specific vibrations causing emission of light through bubbles.
    • The resulting temperatures can reach an astounding 4,400°C — nearly as hot as the surface of the sun.
  • The sounds produced when the pistols of these shrimps are fired are among the loudest sounds that can be heard in the oceans.
  • The pistol shrimp primarily uses this powerful weapon to catch prey.
  • When hunting, it hides in its burrow, waiting for prey to come within range before firing its claw with remarkable speed and precision.
  • There are hundreds of species found all over the world, but most species are found in reefs and seagrass beds in temperate and tropical regions.

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