Simple monsters:

Fly Fish

Zebra Parrot

Red Face

x2

x5

Cardinal Fish

Dori

Clown

x6

x7

x8

Lion Fish

Golden

Globe Fish

x9

x10

x15

Sting

Shark

x25

x35

x2

Fairy Whale

x250

Flame Dragon

x150

Accidental extra-multiplier up to x5

Crazy Lobster

x50

Explodes after death and kills all the creatures in a certain radius. The more dynamite it carries the wider the radius.

x50

Kills 4 creatures with a chain lightning after his death.

Ocean Devil

x350

Kills all the creatures on the field of play after death.

Collect the required amount of specific crystals to get the momentary reward.