What is "shrimps"

Usage examples of "shrimps".

He was knocked back almost out of his seat, and for a moment he hung half off the raft, staring downthen his pain-clenched muscles relaxed and he slumped back down and forward across his plate, sending huge sport shrimps rolling away across the table, and he lay that way for a while, gagging and retching to get air into his abused lungs.