Across
1
Soft sea creature that can sting
6
Egg-laying mammal with a duck bill
7
Animal known for fighting snakes
9
Spotted big cat that climbs trees
11
Large tropical lizard
Down
2
Fish that swims upstream to spawn
3
Wild dog-like animal of North America
4
Intelligent marine mammal
5
Five-armed sea creature
8
Burrowing mammal with poor eyesight
10
Eight-armed sea creature
12
Animal that builds dams