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Old 10/07/2020, 11:46 AM   #3
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Join Date: Oct 1999
Location: London, Ontario, Canada
Posts: 3,969
IMO, to PROPERLY feed brine nauplii for dwarfs, it first of all requires hatching of the cysts. Then, as they don't have a completed digestive tract you have to keep them until they molt to Instar II stage where they can be fed/enriched. At this point, they can be gut loaded with an appropriate enrichment high in DHA in 12 hours, but they can be much better if you do a second 12 hours with new enrichment and new water as they will then have assimilated the nutrient into their flesh. You also should treat with peroxide before adding to the tank as bacteria that artemia are know for can be deadly to seahorses, dwarf or otherwise.
As for the statement
You can train them onto frozen just like other seahorses
I disagree with it. While SOME dwarfs with partake of non live food to some extent, not all of them will, and even the ones that do won't eat enough of it for long term survival. (dwarf lifespan is about a year give or take)
I do agree with tank size being too large. As mentioned you need a good food density and for a 15g tank it would tank an inordinate amount of nauplii to do a proper feeding.
I have no problem keeping around 50 in a 5g tank, but if you are only going to have 10-20 then consider a 2.5g.
If the videos showed in tank hatchery I'd recommend against it. First, it exposes the dwarfs to nasty bacteria that artemia are known to have, and second, it means NO enrichment. Lastly, Instar I newborn nauplii have a tougher carapace making them harder to digest meaning less nutrition taken up, AND with no enrichment they get no DHA that the seahorses need but can't produce for themselves.

Seahorses. Culture nanno, rotifers and brine shrimp.

Current Tank Info: Seahorses
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