Across
1
Slow-moving mollusk without a shell
3
Australian marsupial that eats eucalyptus
5
Intelligent marine mammal
7
Fish that swims upstream to spawn
9
Large reptile found near rivers
10
Striped big cat from Asia
Down
2
Eight-armed sea creature
4
Animal known for fighting snakes
6
Largest mammal in the ocean
8
Crustacean with pincers
11
Soft sea creature that can sting