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Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Thursday, May 5, 2011 3:36 PM
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Breeding Journal DataSheet
This first post should be updated regularly to include new information as events take place or changes are made to your system General Species: Paguristes cadenati (Red-Legged Hermit) Social Structure: Unknown Size of Individuals: Unknown Age of Individuals: Unknown Date added to Tank: Unknown Broodstock Tank Details Size of Tank: 5ft 100G reef Substrate Details: Filtration Details: LR, skimmer and Bio-pellets Water Changes: 10% every 2 weeks Water Temperature: 26-27 oC Lighting: 150W Halide x2 Lighting Cycle: 11am-9.30pm Other Tank Inhabitants: Typical, fairly heavily, stocked reef. Broodstock Feeding Details Food Types: Feeding Schedule: Spawning Details Date of First Spawn: Spawn Time of Day: Dates of Consecutive Spawns: Courtship Details: Egg Size: Egg Color: Egg Count: Hatch Details Hatch Date: 04th May 2011 Hatch Time of Day: 2300 # Days after Spawn: Unknown Larvae Description: Quite large black eyes (in comparison to boxing shrimp fry anyway which are the only other inverts I have experience of), mostly transparent, noticeably red in places, also a noticeable "fan" tail. I have some pics somewhere and will add at a later date Larval Tank Details Temperature: 25 oC Size of Larval Tank: 15L Substrate Details: bare Other Tank Decor: Gentle aeration Filtration Details: Water changes (20% every 2 or 3 days) Lighting: LED desk lamp Lighting Cycle: 24hrs, but raise it up a bit at night so it shines across the bucket rather than down into it Water Changes: 20% every 2-3 days Larval Feeding Details Food Types: Rotifers and NHBS Feeding Schedule: Rotifers for the first 3 days, start on NHBS on day 4 Metamorphosis/Settlement Date of Settlement Start: 15th May 2011 Days after Hatch: 11 days Date of Settlement End: Description of Fry:
Grow-Out Tank Details Temperature: 25 oC Size of Grow-Out Tank: Small 500ml pots (6 fry per pot) - for now anyway, just so I can monitor them closely. Once they find a shell about 1cm in size I'll move them to a proper tank. Substrate Details: Fine gravel containing as many tiny shells as I can find Other Tank Decor: Filtration Details: None, rely on water changes (not even aerated) Lighting: led desk lamp Lighting Cycle: 1000-2200 Water Changes: 50% daily Size at Transfer: 2mm Age at Transfer: 14 days Grow-Out Feeding Details Food Types: Feeding Schedule: Additional Information (No Pictures or Videos in the Section Please) Miscellaneous Information: You will be required to provide photographic evidence in this thread of each event submitted for the MBI Program.
If your thread does not contain these photos the MBI Committee will not be able to approve your reports.
<message edited by rod130 on Monday, May 16, 2011 2:05 PM>
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Thursday, May 5, 2011 3:55 PM
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I have raised one solitary hermit in the past, it was by accident as I collected boxing shrimp fry and the hermits released on the same night. After about a fortnight I noticed some of the "shrimp" had settled out and were struggling to walk along the bottom of their tub, when I was down to one remaining "shrimp" it occurred to me it may benefit from having some gravel to walk on I put a bit in and was surprised to see almost instantly crawl into a tiny shell in the gravel. Once it got into a shell it was very easy to raise, it was quite good at scavenging frozen and pellet food and found new shells easily (wasn't so easy for me to sift through gravel looking for tiny shells though  ). I have a few pics and vids which I'll add links to soon but I thought I'd start a journal as I have recently collected about 100 more fry, I think they are all hermits this time, should know for sure this time next week. I have tried twice in recent months to raise hermits again once with copepods as a first food and once with nhbs as a first food and on both occasions I had 90% losses in 3 days, I have read they can be raised without rots but I can't seem to do so - there is a possibility that I had collected shrimp fry both times mind. I'm hoping I can keep a better log here of this attempt, just hope they are actually hermit fry this time, they should be as the shrimp aren't due to release for a few days
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Sunday, May 15, 2011 1:56 PM
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Just checked in on them now and they have all gone through a pretty large metamorphosis, so that they now have a very noticeable pair of pincers, they are also swimming forward rather than backwards now. I expect they'll settle out of the water column over the next few days and they'll start looking for shells then.
Numbers wise I think there's around 40 left now, about 90% made it through the first week but I've been losing about 10 a day for the past few days. Judging by the sole one I've raised before it should be fairly easy to raise them from here, or at least once they settle out and start finding shells, at the moment I'm still feeding Brineshrimp but once they move into shells I think they'll be able to scavenge for frozen/pellet foods.
I have taken a few pics along the way and will post some soon.
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Sunday, May 15, 2011 5:23 PM
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Very cool!
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Monday, May 16, 2011 6:40 AM
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Congratulations, can't wait to see the pics!
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Monday, May 16, 2011 12:13 PM
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Monday, May 16, 2011 1:48 PM
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Monday, May 16, 2011 9:09 PM
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I find it amazing that this species turned out to be so "easy" - great news for the future of captive-bred cleanup crews!
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Tuesday, May 17, 2011 11:24 AM
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I had heard that they were pretty easy. I had always meant to try them, but I haven't kept any since I started my latest tank.
Not to downplay your accomplishment at all, Rod. This is really cool. Congratulations!
--Andy, the bucket man. "Not to know the mandolin is to argue oneself unknown...." --Clara Lanza, 1886
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Tuesday, May 17, 2011 11:31 AM
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Those pics are really cool thanks for sharing!
RLTW 180 Gallon Mixed Reef Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Tuesday, May 17, 2011 4:21 PM
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Thanks for your interest everyone. Doesn't look too good today though, most of the ones I moved over yesterday seam to be lying listless on the bottom, not sure if any have found a shell yet. I wonder if it'd be better to put lots of shells in the larval tub from day one next time - with the development time being so short I don't think keeping water quality up would be a problem.
Anyway still have 15 or so going in the original bucket, and maybe some of the ones I moved yesterday will find a home soon and pull through.
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Tuesday, May 17, 2011 5:32 PM
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I bet it's a pain to find shells small enough. That's crazy!
RLTW 180 Gallon Mixed Reef Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8
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Re:Breeding Journal, Species: Paguristes cadenati (Red-Legged Hermit)
Friday, May 20, 2011 2:43 PM
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Yeah finding shells was horrible, sifted through coral gravel for hours, and also a member of my local reef club did the same for me. Still I don't have many, a lot of the smallest shells are all blocked up and useless too. I've recently added a group of dove snails to my reef tank in the hope they'll start breeding and I can maybe harvest some shells from them in the future. At least the shells are re-usable though, think one of this batch has gone into the same shell as the one in the vid above from last time.
Looks like only 3 of this batch made it into a shell in the end, definitely think I'll need to have gravel (with shells in) sat in the larval tub from the start, these ones seem to die within 2 days after meta if they haven't found a shell - although I could've fed a better diet than I did.
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