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WOODS HOLE, Mass. — For generations, scientists have relied on a handful of organisms to study the fundamentals of biology. The usual suspects—fruit flies, zebrafish, and mice, among others—all have ...

Researchers studying the Japanese pygmy octopus report that males carefully protect a specialized mating arm, behavior documented in lab tests and field observations. In octopus mating, the ...

A distinct striped pattern on a species of octopus varies from one individual to the next, which could help researchers monitor the rare animal. Pygmy zebra octopuses (Octopus chierchiae), also known ...

An undated handout picture released on May 22, 2026, by the Charles Darwin Foundation shows a newly discovered blue pygmy octopus off the Galapagos Islands. Patrolling the deep waters of the Galapagos ...

Researchers report culturing methods for the pygmy zebra octopus, an emerging laboratory research organism. For generations, scientists have relied on a handful of organisms to study the fundamentals ...