Shrimple minded Posted October 25, 2015 Report Share Posted October 25, 2015 My shrimp tank is in my office, which has some (but not much) lighting on approximately 8am-1am. My tank lights run from 2pm-10pm. Do shrimp need periods of complete darkness to breed well, or can they molt & berry in the daytime? I'm just wondering if my own poor sleep habits are having an effect on the rate at which my females are berrying. My shrimp are molting just fine, but I can't say I've every seen it take place with my own eyes. I'm not 100% sure, but I think my one berry to date occurred on a weekend where I was out of town, meaning the only light hitting the tank was the 2pm-10pm photoperiod. Thoughts? Quote Link to comment Share on other sites More sharing options...
DETAquarium Posted October 26, 2015 Report Share Posted October 26, 2015 This is a good question, I would have to assume they would breed either in dark or light. I think some people do introduce to much light into their aquariums that could potentially stress their shrimp, and in turn reduce their breeding. Quote Link to comment Share on other sites More sharing options...
Soothing Shrimp Posted October 26, 2015 Report Share Posted October 26, 2015 It would be an interesting experiment. Simple too. Tank 1: 24 hours light Tank 2: Day/Night Tank 3: Full darkness See which tank has the most breeding in a given amount of time. Quote Link to comment Share on other sites More sharing options...
gillznglass Posted October 27, 2015 Report Share Posted October 27, 2015 I read a paper on another type of shrimp studied that most definitely concluded they do have a circadian rythim and it did affect their breading dramatically. I can not find any studies on the type of shrimp we have. So let's get the geek glasses out and go to work. I would be inclined to think all living creatures do have somthing that resembles it, even those that live in complete darkness. There are all types of energy we can not see that those animals may be in tune with. OK enough woo. Cool subject. Quote Link to comment Share on other sites More sharing options...
Jadenlea Posted October 27, 2015 Report Share Posted October 27, 2015 Imagine the Algae in Soothings tank 1!! It might be hard to tell if breeding results were from 100percent light or 100 percent algae hehe Soothing Shrimp and zodiac 2 Quote Link to comment Share on other sites More sharing options...
Jadenlea Posted October 27, 2015 Report Share Posted October 27, 2015 oh and about 8 months ago when Igot my current plus lighting with the moonlight timers.. I wondered if having daylight and moonlight (rather than 100 percent darkness) would stress the shrimp or cause a slow down in breeding. They still bred like bunnies. To bad no babies could survive in that tank. Soothing Shrimp and Shrimple minded 2 Quote Link to comment Share on other sites More sharing options...
Soothing Shrimp Posted October 27, 2015 Report Share Posted October 27, 2015 Imagine the Algae in Soothings tank 1!! It might be hard to tell if breeding results were from 100percent light or 100 percent algae hehe I never said the experiment was foolproof! LOL Jadenlea 1 Quote Link to comment Share on other sites More sharing options...
Shrimple minded Posted November 14, 2015 Author Report Share Posted November 14, 2015 Not a controlled experiment, but I thought I would relate the following.......I was out of town on Wednesday & Thursday of this week, (meaning my office lights were off the full time and only the 8 hour photoperiod of the Finnex Stingray)........I came home to a berried female. Prior to that I hadn't altered my own sleep schedule, thus I hadn't for the skrimps. I'm starting to be a believer....... Quote Link to comment Share on other sites More sharing options...
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