In line with the 50th anniversary of "Jaws," this month's River Life explores the realities about sharks and whether they ...

Along her migration from Mozambique to Nigeria, the eight-foot-long female would have encountered a zone of water too cold to cross that has kept Africa's bull shark populations separated for ...

Dr Harley Newton, chief scientist and veterinarian for OCEARCH, from Jacksonville, Florida, has dedicated her career to ...

Organizations like OCEARCH are conducting research to better understand shark behavior and migration patterns. ... Bull sharks may swim into the river but only for a short time.

Kajiura has been tracking shark migration for about 13 years. ... Because bull sharks often stay in the same nursery habitat for years before migrating, biologists, ...

Bull sharks strengthen food webs by traveling between and thereby linking and stabilizing freshwater and saltwater ecosystems, researchers said. Without that migration, both environments can ...

Bull sharks strengthen food webs by traveling between and thereby linking and stabilizing freshwater and saltwater ecosystems, researchers said. Without that migration, both environments can ...