Jumping blennies, just like tide pools themselves, exist in both the environments of air and water. They both breathe air and get oxygen from water. When their tide pool rocks dry off at low tide, they can hop from rock to rock to find a pool that still survives. When their tide pools fill with water at high tide, they are at home in the waterscape.
The jumping blenny that I observed at the Monterey Bay Aquarium stayed outside of the water for around one minute before hopping back into a pool.
The blenny almost looked like a gray slug waiting on one of the higher rocks in the exhibit. Its two eyes on top of its head seemed to move independently.
Blennies are found in the Indo-Pacific, ranging as far north as Ryukyu Islands, an island chain that is part Japan just off the northeast coast of Taiwan, and as far south as Micronesia, southeast of the Philippines, and Queensland in Australia.
They particularly like tide pools composed of limestone. Water erodes the limestone to create ihhabitable pools and channels where small waterfalls flow to keep the fish moist.
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