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Overview of Shark Classification and Traits by saket.vanga2011 is a document available to read on EtoBox.
Sharks belong to the clade Selachimorpha and have a lifespan of 20 to 30 years. They vary significantly in size, from the small dwarf lanternshark at 17 cm to the whale shark at 12 meters, and inhabit all seas, typically found at depths up to 2,000 meters. Characteristically, sharks possess a cartilaginous skeleton, multiple gill slits, and pectoral fins that are not fused to the head.
- Author
- saket.vanga2011
- Language
- EN