Across
1
Flightless bird that swims in cold regions
3
Slow-moving mollusk without a shell
4
Largest mammal in the ocean
5
Small spiny mammal
9
Insect with colorful wings
Down
2
Fish that swims upstream to spawn
3
Five-armed sea creature
6
Large tropical lizard
7
Amphibian that leaps and croaks
8
Predatory fish with sharp teeth