Across
1
Egg-laying mammal with a duck bill
6
Small horse-shaped sea fish
7
Slow-moving mollusk without a shell
8
Largest mammal in the ocean
Down
2
Large North American buffalo
3
Insect with colorful wings
4
Australian burrowing marsupial
5
Primate closest to humans
6
Fish that swims upstream to spawn
9
Predatory fish with sharp teeth
10
Animal known for fighting snakes