Special Volume on Kogia Biology: Part Four, Volume 103 presents reviews on all aspects of marine biology. Published since 1963, this serial updates on marine biology, fisheries science, ecology, zoology and biological oceanography. Topics include Stranding data of Kogia spp. from the seas around Japan, The biology of pygmy sperm whales (Kogia breviceps) from New Zealand waters, Age, growth and reproduction of pygmy (Kogia breviceps) and dwarf (K. sima) sperm whales stranded in South Africa, The fast lane revisited: life history strategy of Kogia spp, and Stomach content analysis of pygmy and dwarf sperm whales and its ecological implications: is there niche partitioning? Reviews articles on the latest advances in marine biology Authored by leading figures in their respective fields of study Presents material that is widely used by students, and academic professionals in the marine sciences