- May 19, 2019 at 10:05 am #1432MarineBioKeymaster
Behind the scenes at the California Academy of Sciences, baby potbellied seahorses roamed a tall, bubbling tank. They used their prehensile tails to cling to seagrass and to one another. The babies were small and slim as a finger, but as adults, they’d grow that eponymous potbelly, and wobble about, on display in the Academy’s Steinhart Aquarium in San Francisco.
When a keeper approached the tank, the youngsters rushed to the glass, then swam up to the surface, expecting a meal. These fish were living the good life.
They were the lucky ones.
Worldwide, seahorses are in trouble, threatened by habitat loss, and sold in a massive global trade. Scientists say this can’t go on, or seahorses will severely decline. But existing conservation efforts may not be enough to save them.
Researchers estimate that 37 million seahorses are taken from shallow, lush coastal waters every year, mostly ensnared by indiscriminate fishing gear. Southeast Asia and West Africa are the main regions exporting them. More than half of captured seahorses end up dead, dried and sold internationally for use in traditional medicines thought to boost virility and even cure impotence. A small percent are plunked into home aquariums, or sold as kitschy souvenirs.
Twelve seahorse species are listed as “vulnerable” by the International Union for the Conservation of Nature, one step down from endangered. An additional 17 species are understudied, and listed as “data deficient.” Two are endangered.
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