How many letters does the top answer for “a place where eggs are hatched under artificial conditions (especially fish eggs)” have?

The most common answer is hatchery (8 letters).

Crossword clue: a place where eggs are hatched under artificial conditions (especially fish eggs)

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

hatchery 8 letters wn-def

a place where eggs are hatched under artificial conditions (especially fish eggs)