But while humans are worrying whether the white whale, the elephant or the rhinoceros will be the next animal to go extinct, many saltwater fish, invertebrates and small vertebrates are already disappearing, unnoticed.
但是當人類擔心白鯨、大象、犀牛成為下一個滅絕動物時，許多海洋魚類、無脊椎、小型脊椎動物卻默默以終。