Think you're tough? Try climbing this… without any arms or legs.
(Credit: Eric Mack/CNET)
HONOMU, Hawaii — The volcanic hills and ridges above the Hamakua Coast on the Big Island of Hawaii are among the wettest places on the planet. Naturally, all that water forms plenty of spectacular waterfalls and streams, and naturally, you can find a variety of fish in these waters as they rush toward the Pacific. So, it’s also only natural to assume that some of these fish can be found climbing the vertical cliffs behind the waterfalls to get closer to the source of all that water.
It sounds like a story from the mind of my 6-year-old daughter or a sci-fi author who conjures images of militarized robot fish on covert missions in the tropics, but it turns out to be science fact.
I first learned about these rather remarkable species of goby during a visit to Hawaii’s 422-foot tall Akaka Falls last month. There, the o’opu alama’o, also known by its scientific name lentipes concolor, begins life when it hatches from eggs laid in the waters above the falls. These embryo drift all the way down to the Pacific Ocean, where they remain and grow for a few months until they are ready to begin swimming back up freshwater streams toward the falls. Once they reach the base of the falls, they climb up the sheer, wet rock wall using a specially adapted sucker on their underside.
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