Small fish dominated oceans following a mass extinction 359 million years ago. This suggests small fish actually have an evolutionary advantage over larger marine predators.
For the first time, three young giant squid were caught off the coast of Japan. This finding sheds light on the early lives of these otherwise elusive sea creatures.
A giant wolfish caught off the island of Hokkaido, near the Fukushima nuclear plant is raising concerns about how radiation contamination from the 2011 nuclear power plant accident has spread and the impact it's having on ecosystems and the evolution of nearby wildlife.