Spawning log #0012: Corydoras nijsseni

General comments

A larger spawn this time.

Date & Time

Date

2022-04-07

Spawning time

Unknown to Unknown

Water parameters

Temperature at spawning

24 - 24°C / 75.2 - 75°F

pH

-

kH

No value given

dH

No value given

TDS

No value given

EC

No value given

Nitrate (NO3)

0 ppm

Food & Triggers

Food Fed previous 7 days

  • Live food - Grindal / Enchytraeus / White worms
  • Live Food - Baby Brine Shrimp
  • Freezedried Tubifex / Bloodworms / Blackworms
  • Gel Food - Repashy Grub Pie
  • Gel Food - Repashy Spawn & Grow
  • Sinking Pellets - Omnivore

Other Foods

Bugbites

Spawning Triggers

  • Normal Water Change
  • Passing Low Pressure / Storm

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

3.5 cm / 1.4 in

Age Females

2 year(s)

Active Males

2 year(s)

Origin of Breeding Group

  • Males - Bred
  • Females- Bred

Eggs & Hatch rate

Eggs laid

120

Eggs laid at a time

  • 1 egg
  • 2 eggs
  • 3 eggs
  • 4 eggs

Unfertile eggs at spawning time

10

Hatched eggs

100

Hatch rate (approx.)

76-100%

Fry surviving 2 weeks

75

Egg Placement

  • On glass - high
  • On glass - low
  • In the flow output from a pump/filter
  • In / behind a mop against the glass
  • On Snail

Egg Handling

Type of Antifungal

  • Alder Cone(s)

Number of Cones

5 small

Drops of MB

Amount of Salt

Hatching Container Size

1.5 l / 0.4 gal

Egg diameter

1.6 mm / 0.06 in

Comments to Hatching

Feeding

First Fry Food

  • Micro Worms

Fry started Eating

5 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

  • Plants - live, fine leaves
  • Roots, small
  • Caves Small
  • Floating mop
  • Mop against glass

Type of filtration

  • Power head / Streamer < 100 LPH (25 GPH)
  • Spongefilter Medium - High Flow

Water Flow

Medium

Type of Lighting

LED light

Lighting Period

09-12 hours

Lighting Intensity

Medium

Comments & Additions

Egg size much larger than first spawn! Thought it was the Corydoras eques that had spawned, but not yet!

Reported by

Reported by

Kristian Adolfsson

Country

Sweden

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