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Old 03-11-2018, 09:35 PM   #1
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Coral catshark egg

I purchased a coral catshark egg ( Atelomycterus marmoratus) a week ago & wanted to know how long it would be before it hatches. It's the length of the egg now & a few mm thick. When i got it the embryo was about 1/2 inch long & next week will be 2 wks since i had it. Any advice and pointers would greatly appreciated. Thanks!!!
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Old 03-14-2018, 04:58 PM   #2
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I purchased a coral catshark egg ( Atelomycterus marmoratus) a week ago & wanted to know how long it would be before it hatches. It's the length of the egg now & a few mm thick. When i got it the embryo was about 1/2 inch long & next week will be 2 wks since i had it. Any advice and pointers would greatly appreciated. Thanks!!!
These shark eggs take about 4-6 months to hatch depending on temperature. Considering that they are about 4"-5" at "birth" and yours is only about 1/2 " I'd say you have a ways to go.
As for upkeep until then, this might help: Breeding Journal, Species: Atelomycterus marmoratus

Good luck and keep us posted.
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Old 03-14-2018, 07:22 PM   #3
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These shark eggs take about 4-6 months to hatch depending on temperature. Considering that they are about 4"-5" at "birth" and yours is only about 1/2 " I'd say you have a ways to go.
As for upkeep until then, this might help: Breeding Journal, Species: Atelomycterus marmoratus

Good luck and keep us posted.
When i got it; it was 1/2 in. to 1 in. Now it is the length of the egg case. Thanks for the info & links. You're info is greatly appreciated.
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Old 03-15-2018, 03:52 PM   #4
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I've hatched out a number of banded Catshark and Horn shark eggs over the years. It's always exciting to see a "newborn" shark. We only had the candle method to see how the embryo was doing so it was always a guessing game. The link I posted gives you first hand experience with this type of shark but from the pictures, the yolk sac still looks rather large so it should have a bit to go. The smaller that sac gets, the closer to hatch it should be. What always amazed me when they hatched was how something that big came from a pouch that small. ( especially with horn sharks. )
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Old 03-27-2018, 05:34 PM   #5
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Tomorrow will be 2 weeks since last post on coral catshark egg. Yolksac is about the size of a dime now. You can't see it because he/she keeps it's tail wrapped around it. I can see it's pattern also. Can anyone with experience with them tell me how mannt more weeks I have left.
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Old 03-29-2018, 09:39 PM   #6
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Your embryo surely has done some growing. Congrats. Looking forward to seeing a swimming sharklet.
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Old 03-29-2018, 10:35 PM   #7
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Your embryo surely has done some growing. Congrats. Looking forward to seeing a swimming sharklet.
It has grown alot & thanks for your advice and comments. Should have about 2 or 3 more weeks left. Can't believe I only had it only a month. I have a snowflake that's about 12" long & 1" diameter I was thinking about putting the pup in some type of breeder box to get it eating well and a little size on it before i release it into the DT. Could use a little advice on that situation. Thanks!!! Once again
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Old 03-30-2018, 10:32 AM   #8
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Sharks need good water circulation so a breeder box type object would not be ideal. Better to use a divider in the tank to keep the pup safe from the eel and to put some size on it. Make sure you have good circulation in the isolated area. If necessary, add an airstone or small circulation pump to help keep water moving.
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Old 04-13-2018, 02:38 AM   #9
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Coral catshark egg (Atelomycterus Marmoratus)

Two week update on the catshark egg. The embryo yolksac is gone & now waiting for it to spring out of the egg case. Today marks 6 wks since I brought it home.
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Old 04-16-2018, 01:50 AM   #10
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Looks good. Should be any day now based on the pics
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