The most common and most likely answer to this crossword clue is the 11 letter word COELACANTHS
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does COELACANTHS mean?
COELACANTHS noun- Either of two species of deep-water fish, Latimeria chalumnae of the Indian Ocean and Latimeria menadoensis of Indonesia.
- Any lobe-finned fish in the order Coelacanthiformes, thought until 1938 to have been extinct for 70 million years.