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JRAS MONTHLY MEETING SATURDAY AUGUST 28
In Upcoming Announcements
davidsombachphoto
Aug 29, 2021
So the August meeting turned out quite well.... we had about 18 people attending, and despite the current health issues, all were masked and in very good spirits.. We even had a couple NEW guests attend. Mr Jim Long, a long time friend of several of us in the society, gave a brilliant and factual lecture on culturing, and harvesting live foods.. from the very tiniest (green water and microscopic like rotifers) all the way up to nematode types like white and grindal worms. He spoke on how to produce the cultures and how to maintain, and in turn collect and feed to your aquatic friends... His inciteful background (possibly based on his own trials and tribulations on keeping them) was very useful and he answered all the questions brought forth by members. after Jims Lecture, we took a brief social break and transitioned into our monthly mini auction. Jim supplied many starter cultures, along with newly formed cultures of daphnia, green water, vinegar eels and the like. All in all there were about 2 dozen auction items and the live cultures were very popular in the bidding wars.. While this was not one of our largest attended meetings, I believe it was much needed and folks seemed to enjoy the comradery, just being able to see and visit with each other. The JRAS board met about a week ago and our decision to move forward with in-person meetings was discussed, and unless state and local decisions are made to close down public events, we are planning on moving forward with meetings.. Of course this will be dictated by govt. decisions. Please watch the website, facebook or instagram for upcoming announcements regarding meetings of JRAS.
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JRAS JULY MEETING: SATURDAY, JULY 24, 2021
In Upcoming Announcements
Can't get Sterbai Corys to breed--help!!
In Plants and Fish
davidsombachphoto
Apr 21, 2021
Hello Blake: Corydoras Sterbai, usually breed in small groups.... and most often will deposit eggs on the glass, filter stems, or large leaves (like anubias type plants) Yes the cold water change is most often utilized, but what conditions are you presently keeping them in? Tank size, community or devoted just to the cory's, what sex ratio? planted tank or bare, ph, kh, gh, temps.... all that helps with a solution.. Not knowing how you are keeping them,,, this is how i would set them up..... ratio of at least 2 males to 1 female. their own dedicated tank, (5 or 10 gallon is sufficiant for a half dozen fish) I would keep the tank bare, (no substrate) and put a couple potted anubias in it, but keep it minimal, so easier to harvest eggs off glass or plants. sponge filter, and temps around 76-80 f. ph (sometimes higher ph can lead to problems, but anything in the 7.0 range is good... Too high can present problems with either not laying or the eggs not hatching because of too much calcium. If you are relying on tap water, (not well) and the ph gh or kh is higher, then i would suggest either collecting rain water, or purchase water that is much closer to neutral to set them up in... and when you do your cold water change, use your rain water, and you can do as much as a 10-15 degree difference .....try to do it in the early evening, and keep your lights lower through the evening and on to about late morning. Now.... after saying all that..... really try to push the high quality feed to them for about 7-10 days before you do your "change".... I would recommend picking up some live black worms and feeding them heavy with them... I think there is more protein in blk worms than white worms or micro worms... you can always supplement with other foods, but the black worms really work well. When my sterbais have bred for me in the past, (especially when i wasn't really trying... it is usually after i move them to a new tank, and the conditions between the two are different enough that they were sort of 'shocked' into thinking there was a change... Certainly barometric changes do help but i don't necessarily rely on just that. If you get eggs, you have two options.. leave the parents in there and remove eggs, or take the parents out... my suggestion would be to take the parents out,,, that way you aren't messing with different water parameters to hatch them. and if you use a 5 gallon, it's easy enough to feed babies without some not getting food. Hope this helps and you may get other feedback from some of our breeders.... good luck cheers david
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