free swimming

/friː ˈswɪmɪŋ/
adjective
  1. Able to swim and move around on its own, not attached to a surface or to a parent (used especially for young animals or organisms).
    • Free-swimming larvae of coral drift in the ocean before settling on the reef.
    • After hatching, the tadpoles become free-swimming within a few days.
    • The aquarium released free-swimming baby fish into the pond.
Synonyms
What does "free swimming" mean? | whatsthatwordmean | whatsthatwordmean