Kype and/or characteristics that could be of importance in inter- and intra-sexual evaluations of individual quality. The size of the kype is believed to determine male spawning frequency. The extinct sabertooth salmon, "Oncorhynchus rastrosus", was first named for its prominent premaxillary dentition. It possesses an enormous conical tooth on each premaxilla. There is no visible kype on the dentary, implying a different strategy for forming mate dominance. Kype A kype is a hook-like secondary sex characteristic which develops at the distal tip of the lower jaw in some male salmonids prior to the spawning season. The structure usually develops in the
Rock Jaw: Master of the Eastern Border Rock Jaw: Master of the Eastern Border Rock Jaw: Master of the Eastern Border is the fifth book in the "Bone" series. It collects issues 28-32 of Jeff Smith's self-published "Bone" comic book series. The book was published by Cartoon Books in its original black-and-white form in 1998. Paperback and hardback coloured editions were published in February 2007 by Scholastic. This book focuses on the journey of Fone Bone and Smiley Bone. They travel to the mountains to return a baby Rat Creature back to his own kind. On the way, they are interrupted by Roque Ja (whose name the