In the Canary Islands, endangered angelsharks and European tourists are attracted to the same habitat which, for once, isn’t bad for the wildlife. (via hakaimagazine)
Out in the Atlantic Ocean, roughly 100 kilometers off the northwest coast of Africa, lies an archipelago known as the Canary Islands, created millions of years ago by intense volcanic activity. The biggest and most populated island, Tenerife, rises from the deep-ocean floor to a series of peaks, one of which is the third-largest volcano in the world. Tenerife’s interior highlands are a moonscape, while its coastline of lava rock and sheer cliffs is pounded by surf.
By 1973, this gargantuan project, environmentally questionable from today’s viewpoint, was complete. As anticipated, tourists arrived. Unanticipated was what their presence gave to one of the world’s most endangered fish species—visibility. Maybe angelsharks always gathered here, but until recently, no one really knew.
But angelsharks were still by-catch in other fisheries, and by the early 1970s, as developers barged Saharan sand to Tenerife, the fish were pushed close to extinction in most parts of the North Atlantic and the Mediterranean. But biologists only became aware about a decade ago that the Canaries host an angelshark population. Subsequently, in 2014, the Universidad de Las Palmas de Gran Canaria, Museum Koenig Bonn, and Zoological Society of London collaborated to establish ASP. The project’s goal: to gather data on critical habitats, movement patterns, and reproductive biology of angelsharks, and work with local communities and officials to protect the fish.
Rubén Martinez, a dive instructor in Lanzarote, the easternmost island of the Canaries, is a keen advocate of angelsharks and regularly volunteers for ASP surveys. He helps with procedures such as tagging the fish with either spaghetti tags—an easily attached plastic loop—or acoustic tags. Both are done on the spot without having to catch the fish or lift it out of the water. “We work in a team and practice beforehand,” Martinez says.
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