The ragfish, Icosteus aenigmaticus, is a ray-finned fish of the northern Pacific Ocean; although a perciform, its skeleton is mostly cartilage, and the larvae have pelvic fins that disappear as they mature. It is the sole member of the family Icosteidae, and some authorities place it into its own order Icosteiformes. The ragfish body is scaleless ...
Found on http://en.wikipedia.org/wiki/Ragfish


(genus Icosteus aenigmaticus), marine fish, the single species in the family Icosteidae (order Perciformes). The ragfish is found throughout the ...
Found on http://www.britannica.com/eb/a-z/r/5
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