Spawning log #0003: Corydoras nijsseni
General comments
Bought as fry from Joakim Schön.
Date & Time
Date
2022-02-17
Spawning time
to
Water parameters
Temperature at spawning
23 - 23°C / 73.4 - 73°F
pH
-
kH
No value given
dH
No value given
TDS
No value given
EC
No value given
Nitrate (NO3)
No value given
Food & Triggers
Food Fed previous 7 days
- Live food - Grindal / Enchytraeus / White worms
- Live Food - Baby Brine Shrimp
- Gel Food - Repashy Grub Pie
- Gel Food - Repashy Spawn & Grow
Other Foods
Spawning Triggers
- Lowered Temperature
- Water change with RO / Rain Water
- Passing Low Pressure / Storm
- Full cleaning of tank (including filters)
Other Spawning Triggers
Spawning group
Females
3 females
Males
3 males
Active Females
Unknown
Active Males
Unknown
Size Females
4 cm / 1.6 in
Size Males
4 cm / 1.6 in
Age Females
No value given
Active Males
No value given
Origin of Breeding Group
- Males - Bred
- Females- Bred
Eggs & Hatch rate
Eggs laid
14
Eggs laid at a time
- 1 egg
- 2 eggs
- 3 eggs
Unfertile eggs at spawning time
Hatched eggs
7
Hatch rate (approx.)
26-50%
Fry surviving 2 weeks
Egg Placement
- On glass - high
- In a floating mop
- In / behind a mop against the glass
Egg Handling
Type of Antifungal
- Alder Cone(s)
Number of Cones
2
Drops of MB
Amount of Salt
Hatching Container Size
1.5 l / 0.4 gal
Egg diameter
1.2 mm / 0.05 in
Comments to Hatching
Two eggs were bad from the beginning.
Using 100% RO with 1/2 a tsp of Sera re-mineralising salt per 10 liter bucket. Adding 2 alder cones in a 1.5 liter tub with fair aeration. Changing 90% every day and adding a new cone every time.
Feeding
First Fry Food
- Micro Worms
- Fine "Dust" Food
Fry started Eating
4 days
Spawning Tank Setup
Size
80 l / 21 gal
Length
50 cm / 20 in
Height
40 cm / 16 in
Water Level
35 cm / 16 in
Type of Substrate
- Fine sand
Decorations
- Roots, small
- Roots, large
Type of filtration
- Power head / Streamer < 250 LPH (75 GPH)
- Spongefilter Large - High Flow
Water Flow
Medium
Type of Lighting
LED light
Lighting Period
05-08 hours
Lighting Intensity
Medium
Comments & Additions
Reported by
Reported by
Kristian Adolfsson
Country
Sweden
Web site
YouTube Channel