The most common and most likely answer to this crossword clue is the 8 letter word CALAMARI
I've seen this crossword clue in The Daily Telegraph
C
A
L
A
M
A
R
I
More clues leading to the result CALAMARI
- A clam cooked with mostly dry seafood
- Mother runs into French port, mostly for squid
- Swimmers trapped in Ocala marina
- Seafood containing a bit of arm buried in the middle
- To be zoological, a marine constituent?
- Dish of shellfish acquiring a central Paris following
- Damage in French port reduced such seafood
- Much the same as 2, caught malaria travelling
- Squid caught malaria at sea!
- Seafood dish as mum would make, in cooking really inspirational starters
Buddy explains!

The straight part
We know that "Squid" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case squid = calamari.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 CALAMARI mean?
CALAMARI noun- Squid as food, especially cooked in the form of calamari rings
- Squid, the mollusk, in general