Plenty of poets wrote them, but the most famous of all is John Milton's  Lycidas . Like all typical pastoral elegies, Milton mourns the loss of his best bud (who died in a shipwreck). But he also compares him to a shepherd and describes the ways in which nature mourns his loss, too.
The Banff longnose dace, a small minnow, was recently declared extinct. It failed to compete with the guppies, swordtails, sailfin mollies and other tropical fish that had been released in the warm marsh below the famous hot springs by tourists and national park officials.
Coelacanth. This is the name of an order of fish which is believed to be the oldest species of gnathostomata. Until the late 1930s when a Coelacanth was discovered in a river off the east coast of South Africa, this fish was believed to have been extinct.oelacanth. This is the name of an order of fish which is believed to be the oldest species of gnathostomata. Until the late 1930s when a Coelacanth was discovered in a river off the east coast of South Africa, this fish was believed to have been extinct.