Guess it!

It's a big mammal, eats grass and has got long legs. You can ride on it.

It's small, black, has got many legs. It makes net.

It's a small red insect, it has got black dots, and can fly.

It has got an 'armor', can swim and lives in the sea.

It's big, eats animals and human and lives in the sea.

It's brown, big and lives in the forest.

It is a small insect, can fly, and eats blood.