Males fan out round nests 20-30 cm wide in sand or fine gravel, in colonies in water under 1 m deep, grunt to attract females, and guard the eggs and young for about a week.
Pair.
Pond with gravel.
Spring warming.
A female can carry up to about 50,000 eggs, laid in several nests; eggs hatch in a few days and the young leave the nest after about a week.
Fry feed on plankton.
One breeding tank for the bluegill sunfish, drawn to scale from the breeding guide.
Water: 4–26 °C · pH 7–7.5 · gravel bottom
A plan from the breeding guide and an adult size of 19 cm. Tank shape is a standard 2 : 1 : 1.2 box, at least 6 adult lengths long. Check each step in the guide above.
A rack of breeding and grow-out tanks.
The breeding guide gives no tank size for the bluegill sunfish yet, so a business layout can't be drawn.
The sexes look alike most of the year; breeding males show more blue and orange on the flanks.
Typical for other egg layers
See the species guide for the details.
A general guide for this breeding type. Days change with temperature and species.
See the species guide for the details.
Set up a virtual breeding tank and see what would likely happen.
An educational estimate from the breeding rules, not a promise.