[Cuttlefish Eggs]: Ray's 125G Cuttle Rearing System

DWhatley

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For the nitrates, you might try just a bare tank (they don't need the bottom substrate for anything). I will sometimes put LR but never sand in with my shrimp. The ones I have now are in a 2 gallon but there are not that many. When I get a bunch I use a 10 gallon with a large cascade but no bottom substrate.
 

magnetar68

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11 Weeks Update: Pics & Feeding Video

I still have all 8 of the original hatch 11 weeks ago. They are getting much larger now that they are eating larger feed. They spend the day very well embedded in my Red Grape Algae (at the right in the first picture below). At night, they are more active (I have a red LED light that illuminates part of the tank at night so I can observe their behavior). There is one that seems to be about 2x larger than the others. I have been feeding 8-10 Palaemonetes Vulgaris once per day at night after the lights go out. Most of them are waiting by the front of tank, but one or two do not seem to come out, but they all must be eating. Once or twice a week I feed in the morning as well.

I bought my most recent batch of 200 P. Vulgaris from Sachs Systems Aquaculture and was very happy with their customer service and the quality of the shipment.

Here are some pics and video:

Their current tank (20G Long plumpbed into my larger system with a glass-holes.com overflow):



Blending in with the Substrate:



Feeding Video
 

DWhatley

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They look HUGE compared to when they first hatched. How long before the go into the main tank?

Paul et al (daughter and one other employee last I communicated) are great and you won't find a more personable, reliable supplier for the shrimp or fiddlers. Anecdotally, the one item they do sell that others have had better luck with is the mysis. Paul's are wild caught and the captive raised seem to do somewhat better as far as survival. His are cheaper in the short run and likely just as good for the cuttles but don't seem to survive as long in an aquarium environment.
 

Kerrick

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Nice setup and great videos and pics. I am jealous... was planning on getting another batch of eggs this fall but I don't know if I can wait that long... lol

They look large enough to put in the main tank at this point. Infact they are mostly full grown. Are you getting any aggression amongst the males yet?
 

magnetar68

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Coming up on 17 weeks post hatch this Saturday. I still have 8 cuttles. They are feeding on frozen saltwater "grass" shrimp (Crangon sp.) from Mike's Bait and the last of the live P. vulgaris from Sachs Aquaculture Systems. The frozen are much cheaper. For $5 I get about 10 days worth. I have not seen any aggressive behavior, but I did notice some mating behavior tonight. For now, there seems to be enough space that each cuttle get's their own rock/hiding space and they leave each other alone. I imagine this will change. During the day they rarely come out, but at lights out most of them swim around. It's hard to get a count of all eight and i need to count them as I feed shrimp with my feeding stick. Last night, however, was the first time in a while I could actually count all 8 because they were all out.
 

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