The most common and most likely answer to this crossword clue is the 4 plus 3 letter word LILY PAD
L
I
L
Y
P
A
D
More clues leading to the result LILY PAD
- Play around filling cap — that's life on the water
- Leaf initially changing daily, covering top of pond?
- Play boisterously, breaking top part of water plant
- Leaf from notebook taken by girl
- Old man’s in rustic idyll, a place to see frogs
- Floating leaf left daily upset about pressure
- Superficial bit of pond life breaking cover with foul play
- Allen’s apartment maybe frog’s place of rest?
- Extremely lucky old man wearing top that floats
- Where to see a frog play around, wearing cap?
Buddy explains!

The straight part
We know that "Superficial bit of pond life" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case superficial bit of pond life = lily pad.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.