Blue: Planet Ii

: A female kobudai that undergoes a biological transformation to become a male.

: Tuskfish that use coral "anvils" to smash open clam shells. Blue Planet II

: The discovery of a new species of hairy-chested crab, nicknamed after David Hasselhoff. Episode Guide : A female kobudai that undergoes a biological

is a landmark 2017 BBC nature documentary series narrated by Sir David Attenborough , serving as a sequel to the 2001 original Blue Planet . The seven-part series explores the world's oceans using cutting-edge technology to reveal brand-new animal behaviors and the growing impact of human activity on marine life. Key Highlights & Segments Episode Guide is a landmark 2017 BBC nature

The series is divided into seven main episodes, each focusing on a distinct marine habitat:

: Giant trevally leaping out of the water to catch low-flying terns in mid-air.