50.0 MB (9.3 MB compressed)
5121 x 3412 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
ALEXANDER SEMENOV / SCIENCE PHOTO LIBRARY ALEXANDER SEMENOV / SCIENCE PHOTO LIBRARY
Butterfly bobtail squid (Sepiola birostrata). Bobtail squid are found in the Pacific and Indian Oceans. They have a symbiotic relationship with bioluminescent bacteria, in which the bacteria receive nutrients in return for hiding the squid's silhouette when viewed from below. Photographed in the Sea of Japan.
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