1.   The golden stripe grouper is a particular hardy species in captivity and will eat cut fish and beef or horse meat.

2.   Unless one is an experienced aquarist it is not a good idea to try to keep any but the more hardy species.

3.   Many species require tropical treatment in a hothouse but several hardy species may be used in pools in the UK.

4.   And the weevil is a hardy species, able to reproduce in hordes.

5.   By some standards, the sturgeon has been an extremely hardy species.

6.   Innumerable hardy species of plants and animals are transplanted willy-nilly around the world, crowding out more fragile local varieties of life.

7.   Rabihah said irrigation canals provided suitable breeding grounds for several hardy species.