The Pink Floyd pistol shrimp, Synalpheus pinkfloydi (above, photo by Arthur Anker) is a recently described alpheid shrimp. As with other shrimp in this family, the snapping sound produced by the large claw is loud enough to kill small fish. The shrimp is described in a Zootaxa paper, which contains this wonderful line:
“Distribution. Presently known only from the type locality on the Pacific side of Panama; likely more widespread in the tropical eastern Pacific, but unlikely to occur on the Dark Side of the Moon due to lack of suitable habitat.”
And it keeps getting better. The Oxford University Museum of Natural History has also celebrated the discovery with the beautiful artwork below (Another Shrimp in the Wall, by artist and scientist Kate Pocklington).