1 600

Finweek English Edition - - CONTEXT -

More than 1 600 dif­fer­ent species of fish live in the Great Bar­rier Reef, about dou­ble the 747 species of fish found in the Mediter­ranean Sea. It also con­tains 136 species of sharks and rays, whereas just 34 species of sharks have been recorded off the en­tire Pa­cific coast of North Amer­ica. It is home to 25 marine species threat­ened with ex­tinc­tion, in­clud­ing six species of marine tur­tles. The reef also sup­ports more than 30 species of marine mam­mals. One-third of all soft coral va­ri­eties can be found there, along with 411 kinds of hard coral.

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