My BLogs Right Breeding report for Corydoras (lineage 9) trilineatus by Sylus

Down Basics
Overview The first spawn was on Monday 3rd of January 2022. The breeding group consisted of 3 males and 2 females. The smallest male was at least 250mm SL and the smallest female was at least 300mm SL. The individuals were obtained from Local Fish Store.
Feeding
1.Brineshrimp (Artemia) (frozen) few times a week
Down Water Parameters (at time of spawning)
pH 7.00 to 7.50
Temperature 24.0°C to 25.0°C
Current Medium
Down Aquarium
Dimensions The aquarium dimensions were 500mm x 390mm x 360mm (19.7" x 15.4" x 14.2") all Length x Width x Height.
Down Breeding
Behaviour Started spawning after a big (~70%) cold water change... I made a video of it : https://youtu.be/1Y1UJV-U8oM
Eggs
Fry sizes 7 days: 0mm
14 days: 0mm
21 days: 0mm
Juvenile sizes 1 month: 0mm
3 months: 0mm
6 months: 0mm