Group of giant cuttlefish in Spencer Gulf, off Whyalla, South Australia

Group of giant cuttlefish in Spencer Gulf, off Whyalla, South Australia

© Gary Bell/Minden Pictures - 2025-02-24

underwater marine biology cephalopod marine invertebrates sea cuttlefishes ocean coral squid reef coral reef octopus wildlife fish science mollusca cnidaria common octopus aquarium stony corals