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Juvenile Smooth Lumpsucker (Aptocyclus ventricosus) | Japan

This image depicts a juvenile smooth lumpsucker (Aptocyclus ventricosus) hiding inside Colpomenia sinuosa algae. From this angle, the fish is upside-down, with its ventral surface clinging to the inside of the algae, providing a clear view of the fish’s characteristic adhesive disk, which has evolved from modified pectoral fins. The fish is about seven millimeters long.

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Filename: aptocyclus-ventricosus-juvenile-smooth-lumpsucker-japan-201803-0211.tif
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Image Size: 7546x5031 / 108.7MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Bony Fish Lumpsucker Lumpfish Animalia Chordata Osteichthyes Actinopterygii Perciformes Cyclopteridae Smooth Lumpsucker Aptocyclus ventricosus Smooth Lumpfish Hotei-uo Deep Ocean Deepwater Pacific Japan Sea of Japan Toyama Prefecture
Contained in galleries: Marine Life | Japan, Fish Photos

This image depicts a juvenile smooth lumpsucker (Aptocyclus ventricosus) hiding inside Colpomenia sinuosa algae. From this angle, the fish is upside-down, with its ventral surface clinging to the inside of the algae, providing a clear view of the fish’s characteristic adhesive disk, which has evolved from modified pectoral fins. The fish is about seven millimeters long.