Marine Life

Male Japanese pygmy octopuses take extra care to safeguard their third right arm, the hectocotylus, which plays a key role in reproduction. Researchers at Nagasaki University observed that males resist touching this arm and use it less for risky tasks than females do. The findings highlight an evolutionary adaptation to protect this vital appendage.

March 11, 2026 由 AI 报道

SEA LIFE Arizona is inviting the public to name its newest arrival, a blacktip reef shark pup born at the aquarium. This marks the first such birth at the facility in Phoenix. Suggestions can be submitted on the aquarium's Facebook page before March 15.