When octopuses and fish hunt in groups in the Red Sea, the leadership roles are more dynamic than researchers knew — as are some ways the animals enforce cooperation.

These hunting groups typically included several species of reef fish, such as grouper and goatfish. The octopuses did not appear to lead the groups, but they did punch at fish to enforce social ...

Some fish are good partners, but when others try to exploit the hunting party, “then the octopus starts punching,” Dr. Sampaio said. Eduardo Sampaio ...

News Octopuses seen hunting together with fish in rare video — and punching fish that don’t cooperate Octopuses have often been thought to prowl the seafloor solo using camouflage.

When octopuses and fish hunt in groups in the Red Sea, the leadership roles are more dynamic than researchers knew — as are some ways the animals enforce cooperation.

These hunting groups typically included several species of reef fish, such as grouper and goatfish. The octopuses did not appear to lead the groups, but they did punch at fish to enforce social ...

The slot refers to the size range of fish an angler is allowed to keep. In Massachusetts, where an estimated quarter-million anglers chase “stripers” each year, the slot has been 28 to 35 ...