The Collaborative International Dictionary
Pricklefish
Prickleback \Pric"kle*back`\, Pricklefish \Pric"kle*fish`\, n. (Zo["o]l.) The stickleback.
Wiktionary
pricklefish
n. Any of the family Stephanoberycidae of stephanoberyciform fishes.
Wikipedia
Pricklefish
Pricklefishes are a family, Stephanoberycidae, of fishes in the order Stephanoberyciformes.
They are found in tropical and subtropical waters of the Atlantic and Pacific Oceans, and to the Indian Ocean off the coast of South Africa.
They are deep-water fishes, only living below , and have been found down to . It is thought that they are bathypelagic (deep ocean dwelling) or benthic (bottom dwelling) as they are known to eat crabs.
Their common name derives from the large spiny form of their scales in some species.