How many sea creatures start with C?

21 of the 209 sea creatures in Icillion start with C, for example Crab, Coral and Clam.

What is the longest name among sea creatures that start with C?

The longest is “Crown-of-thorns starfish” and the shortest is “Clam”.

Nature · lists

The full list of sea creatures starting with C: 21 names, taken from the 209 answers to “Name a sea creature that is not a fish” in Icillion.

C is the 3rd most common first letter in this list: 21 of the 209 sea creatures (10%).
Shortest: “Clam”. Longest: “Crown-of-thorns starfish”.
12 names have more than one word.
2 can be spelled more than one way, and all the spellings count.

How many sea creatures start with C?: 21 of the 209 sea creatures in Icillion start with C, for example Crab, Coral and Clam.
What is the longest name among sea creatures that start with C?: The longest is “Crown-of-thorns starfish” and the shortest is “Clam”.

How deep does your knowledge go?

Seven prompts a day, twenty seconds each. Obvious answers float on the tip of the iceberg; rare ones sink all the way to the trench.