Cryptic crossword clue
Fish o’the sea, inclusive set numerically 8

The most common and most likely answer to this crossword clue is the 8 letter word CODOMAIN

C
O
D
O
M
A
I
N

Buddy explains!

The straight part
We know that "inclusive set numerically (" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case inclusive set numerically ( = codomain.
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 CODOMAIN mean?

CODOMAIN noun
  1. The target set into which a function is formally defined to map elements of its domain; the set denoted Y in the notation f : X → Y.

Latest crossword clues with full explanations