My BLogs Right Breeding report for Corydoras (lineage 9) concolor by Sarod Yorc

Down Basics
Overview The first spawn was on Sunday 2nd of July 2017. The breeding group consisted of 19 males and 11 females. The smallest male was at least 50mm SL and the smallest female was at least 55mm SL. The youngest adult was approximately 24 months old. The individuals were obtained from 3 different shops.
Feeding No foods recorded
Down Water Parameters (at time of spawning)
pH 6.60 to 6.80
Conductivity 100µs to 200µs
Temperature 23.0°C to 24.0°C
Current Medium
Down Aquarium
Furniture Roma 240
Filtration Fluval 306 and 305 Eheim skim 350 hydor koralia 900
Lighting 2x Fluval Aquasky
Heating 300w
Down Breeding
Behaviour Had been trying for several weeks to trigger. Lots of sparring with the males. 75ltr Water change with pure RO followed by 2 feedings of live Tubifex and that evening a spawn of 8 eggs Placed singularly on glass, fern and wood. 6 eggs removed only one hatched.
Eggs There were 8 cream eggs laid which were 0.0mm in diameter.
Fry sizes 7 days: 0mm
14 days: 0mm
21 days: 0mm
7 days
14 days
21 days
Juvenile sizes 1 month: 0mm
3 months: 0mm
6 months: 0mm
1 month
Fry and juvenile feeding As adults, first food well seasoned moss