A yearling is a fish in roughly its second year of life, past the fingerling stage but not yet fully mature. It’s mostly used as a rough age and size marker when buying stock or estimating how much a pond’s fish population will grow before it settles.
Yearling
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.