A juvenile is a fish past the fingerling stage but not yet sexually mature or fully grown. It’s a broader, less precise stage than fingerling or yearling, mostly used when exact age isn’t the point, just that the fish is young but past its most fragile stage.
Juvenile
Lokorio
Certified Aquaculture Expert & Founder, Memeilo Ponds
Moses Lokorio is a certified aquaculture expert with over 6 years of hands-on experience helping fish-pond builders create healthy, balanced pond ecosystems. At Memeilo.com, he writes detailed, data-driven guides to simplify pond construction, maintenance, and fish care for DIYers and professionals alike.