Britain’s octopus population reached an “exceptional” high in 2025 thanks to a marine heatwave, a wildlife charity has said ...The common octopus lives for just two years, but can grow to 1.5m in length while weighing between six to eight kilograms.
Almost a half-mile below the surface of Monterey Bay, Calif., scientists recently recorded rare footage of a seven-arm octopus — only the fourth time the same research team has spotted the species in about four decades ... .