Whether the eruption is underwater or on land, fish don’t have an easy time dealing with nature’s fury. (via hakaimagazine)
. But few have been able to document in detail the grisly fates experienced by the unlucky fish that find themselves at the mercy of an angry volcano. That’s why when one erupted underwater off the coast of El Hierro in the Canary Islands for 150 days in late 2011 and early 2012, researchers including Ayoze Castro Alonso at the University of Las Palmas de Gran Canaria saw the perfect opportunity to study the intricacies of these piscine casualties.
The researchers’ detailed necropsies also hint that the fishes made a fateful dash for safety. Once the El Hierro eruption was underway, Alonso says, the fishes ascended rapidly. “They tried to escape,” he says. Some of the findings are familiar to Todd Crowl, an ecosystem scientist at Florida International University who was not involved in the current study but who witnessed an eruption on Dominica in the Caribbean during the 1990s. A few centimeters of ash fell on the island, Crowl says, contaminating streams and killing thousands of filter-feeding shrimp. “All that ash just completely clogged up [the shrimp’s] filters,” he says.
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