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Mature male octopuses have a specialized 'hectocotylus' for transferring spermatophores containing sperm. Research by Keijiro Haruki and colleagues at Nagasaki University has revealed that a small ...

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 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 ...