The most common and most likely answer to this crossword clue is the 8 letter word ALBACORE
I've seen this crossword clue in Financial Times
A
L
B
A
C
O
R
E
More clues leading to the result ALBACORE
- A pound billfor fish
- Lab re-created a heart for a fish
- Fish in a lake, something dull Bill caught
- Fish or cobra cooked in beer
- New Scottish party – at heart it’s something fishy!
- Fish centre just below Scotland
- Tuna company acquired by Albert exposed
- Orca, able to destroy fish
- Under a pound — a characteristic of the fish
Buddy explains!
The straight part
We know that "something fishy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case something fishy = albacore.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 ALBACORE mean?
ALBACORE noun- A large marine fish Thunnus alalunga of warm seas, having edible flesh.