Sea whelks

The sea whelks are large s that appear in the episode "Whelk Attack."

Description
A sea whelk is a type of sea snail that is purple in color with light tangerine shells that are the shape of a cone with orange spikes on them. They also have no eyes and a big gaping mouth that can spit out lavender slime bubbles.

Characteristics
They resemble a regular sea snail without the stems leading up to the eyes and the eyes themselves. While the bodies are purple, their shells feature a light tangerine color with a circular series of spikes around each curve on the cone shell.

Throughout the episode, these snails are depicted as giants, but they can actually fit in the palm of a fish's hand.

Diseases
Sea whelks have a disease that aggravates the whelks, causing a rampage while being huge in size.

Role in episode
Bikini Bottom sustains devastation due to giant whelks. It is later revealed that germs caused the whelks to be aggravated.

Buildings

 * Multiple buildings
 * Bottomite houses
 * Krusty Krab

People who were eaten and survived: 12+

 * Eugene H. Krabs
 * Squidward Tentacles
 * Sandy Cheeks
 * Patrick Star
 * Incidental 7
 * Hotel teller
 * Incidental 105
 * Incidental 27
 * Gray fish with green pants
 * Realistic Fish Head
 * Several others
 * Several others

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