In the marine realm, diel vertical migration is a common feeding pattern: During daytime, zooplankton, fish and other marine life that feeds on these organisms hide in the darker depths of the ocean.

Lurking in the ocean's twilight zone - an area between 650 and 3,000 feet below the surface where light rarely reaches - is the seven-arm octopus (Haliphron atlanticus). Also known as the septopus, ...

SAN DIEGO — "We are going to take a look at one of our most charismatic animals at the aquarium," said Kaelie Spencer. She is an aquarist from Birch Aquarium who offered the first ever ...

A giant Pacific octopus, the largest and longest living octopus species in the world, was rescued near Haystack Rock earlier this month after struggling in the waves and rocky areas along the beach.