The most common and most likely answer to this crossword clue is the 4 letter word ALGA
A
L
G
A
More clues leading to the result ALGA
- Sea food left within range
- What’s silver, seen across lake, a wet plant
- Large Australian on a possible feature of rock pool
- Sea food from loch within range
- Some mammal garnering seaweed
- Ingredient of coastal gastronomy?
- What’s à la plage, seen drifting, bits regularly detached?
- Seaweed with length in range required
- What may be washed ashore in equinoctial gales?
- Non-flowering plant found in botanical gardens
Buddy explains!

The straight part
We know that "possible feature of rock pool" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case possible feature of rock pool = alga.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 ALGA mean?
ALGA noun- Any of many aquatic photosynthetic organisms, including the seaweeds, whose size ranges from a single cell to giant kelps and whose biochemistry and forms are very diverse, some being eukaryotic.