Fig. 1

Inbreeding, fecundity and eye size in the MIKK panel lines. A Status of all MIKK panel lines during the first 14 generations of inbreeding, showing cause of death for non-extant lines. B Average fecundity of MIKK panel lines in generation F16, as measured during peak egg production in July 2020. C Distribution of mean relative eye size for male and female medaka across all MIKK panel lines