Across
1
Slow-moving reptile with hard shell
3
Predatory fish with sharp teeth
4
Striped African horse-like animal
6
Egg-laying mammal with a duck bill
8
Large tropical lizard
Down
2
Slow-moving mollusk without a shell
3
Fish that swims upstream to spawn
5
Five-armed sea creature
7
Large reptile found near rivers
9
Largest living primate
10
Eight-armed sea creature