The most common and most likely answer to this crossword clue is the 8 letter word TADPOLES
I've seen this crossword clue in The Daily Telegraph
T
A
D
P
O
L
E
S
More clues leading to the result TADPOLES
- Little sticks for pond life
- Water Babies fan sold tape
- Stories about regularly adept or developing little swimmers
- Volunteers, Europeans, housing five hundred little creatures
- Little frogs are somewhat European, son
- Dale opts to go around for some amphibian larvae
- Youngsters in a pond wrecked pot deals
- Young swimmers adept, so swimming round lake
Buddy explains!

The straight part
We know that "little creatures" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case little creatures = tadpoles.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 TADPOLES mean?
TADPOLES noun- A young toad or frog in its larval stage of development that lives in water, has a tail and no legs, and, like a fish, breathes through gills.
- (by extension) The aquatic larva of any amphibian.
- A type of cargo bike that has two wheels in front and one in back.
- A child's basic drawing of a human being, having a detailed head but only sticks for the body and limbs.