The Lightning Project

The ongoing saga of the PNG Lightning Maroon Clownfish Breeding Project

Browsing Posts tagged Spawn #29

In short, Spawn #29 was not pulled on Monday, the 14th, as I had initially suspected.  Looking at it, I opted to wait until Tuedsay, the 15th, to pull it, 7th day post spawn.  I used well-aged new saltwater which was 1.026; same as the broodstock water.  Water temp may have been a couple degrees cooler.  The eggs were given a H2O2 bath for roughly 15 minutes (4 ml to 0.5 gallons saltwater), and then placed in the 10 gallon hatching tank with a wooden airstone.

Come Wed. morning, there had been minimal hatch, most eggs were on the tile and still looked viable.  I saw only one larvae swimming.  I opted to do nothing, and let it go another day.  Come Thursday morning, once again, no eggs on the ground really, some dead larvae, and one viable offspring. Eggs were all dead come this evening.

I’ve noted repeatedly over the years that despite what everyone says about using ‘new saltwater’ for hatching and incubation, I NEVER have good look with it.  Was it the temp drop in this case?  Possible.  But every time I use broodstock water, I don’t feel like I have these problems :/

So Mike Doty has had comparable luck to some of my better “early runs”; Spawn #27 remains at his house and in a startling role reversal, I’m now watching HIS fishroom.  As of yesterday, I discovered the first post-meta offspring, a Lightning juvenile, in the warmer, more lightly-stocked right BRT.  The rest are still pre-meta fish.

Spawn #28 was pulled too early, and I should have listened more to Mike Hoang’s advice to do an H2O2 dip on eggs that don’t hatch in the first night.  It seems that the eggs remained viable on the tile up until yesterday afternoon, 4-8, but the majority never hatched. Interestingly, it wasn’t until the morning of 4-8 that the last of the eggs in with the parents had disappeared. There are a scant few larvae in the 10 gallon tank from this batch as a result.

The other news to report is that on the afternoon of 4-8-2014, the 29th spawn was put down by the Lightning Maroons.  Based on my dates, I should pull the tile for hatching next Monday, the 14th.

Social Widgets powered by AB-WebLog.com.