We dive into Vampyroteuthis infernalis, the vampire squid, and its record-size genome—up to 14 Gb with a landscape rich in repetitive DNA. This genome preserves an ancient 10-armed chromosomal architecture even as its lineage diversified, making it a Rosetta Stone for cephalopod evolution and the origin of octopus intelligence. We'll explore how its energy-efficient, detritivorous lifestyle in the oxygen-minimum zone shapes its biology, and what this reveals about deep-sea adaptation and genome evolution.

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