MATTHEW OLDFIELD / SCIENCE PHOTO LIBRARY MATTHEW OLDFIELD / SCIENCE PHOTO LIBRARY
Two-stripe clingfish (Discotrema lineata) hiding in soft coral. These tiny fish normally associate with featherstars or urchins but can occasionally be found on other hosts. They use their tails to grip to their home particularly when resting. They also have a suction disk which has evolved from the two ventral fins on the underside of their bodies.
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