Across
1
Fish that swims upstream to spawn
5
Egg-laying mammal with a duck bill
6
Australian marsupial that hops
7
Slow-moving mollusk without a shell
8
Slow-moving reptile with hard shell
9
Primate closest to humans
11
Clawed sea crustacean
Down
2
Eight-armed sea creature
3
Large tropical lizard
4
Animal known for fighting snakes
10
Elegant white water bird