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Found 20 results

  1. Hi, Needs some helps to tell the gender of rainbow shiner. Also I saw same of the rainbow shiner I have showing blue fluorescent color. Are they all females? Thanks John
  2. Came in to work… Notropis chrosomus all fired up. Oh please, oh please! I hope I can gather some fertile eggs…
  3. Anyone have leads on rainbow shiners? Stocked at the Co Op? Looking for a breeding start to get a colony going
  4. This morning... Rainbow learned the hard way that not every Shiner can be John Carter. Fatal trip to the red planet...
  5. It's been a while since I've talked haha, but to expand on the question, It's starting to warm up significantly here in western Washington so I'm beginning to setup my patio pond back up (40ish Gallons) and I believe while both the Medaka and Shiners are compatible together, would the shiners possibly go after the eggs? I know the Rainbow Shiners are prolific in eating their own eggs, but what about other fish eggs? I heard Cory say that the shiners didn't seem to go after things like guppy fry and things like that, but i don't hear of anyone mentioning them eating eggs, I do have a separate container for the eggs, so if I see some on a piece of Azolla or Water Lettuce I could just move them, but just in case if I miss some, what's the likely hood of this happening?
  6. I’ll try to keep it simple this time. Day by Day photo journal to figure this out. Any help or comments much appreciated.
  7. Hey guys, I need some help. I have a 75 gallon aquarium. I had 15 rainbow shiners with 6 rainbow gobies, 3 yo yo loach , 2 sterbai corydoras, 1 rainbow shark(he’s about 2”)and 6 micro Taiwanese dragon gobies. In the past month or two that I’ve had my shiners they have been dying one by one. I would wake up and check on the tank and there would be one dead on the prefilter foam... there were 15 then 14 then 13 and now I’m down to 9. Water parameters are as follows. 20 ppm nitrates, 0 ppm nitrites, <1ppm ammonia, 20-30 ppm carbon dioxide, 75 degrees F. I have pretty hard water here in Montana. The TDS is about 147 ppm. I have an aquaclear 110 and two powerheads with a Venturi system set up to add air. So what could be killing my little guys??
  8. Hey guys, I have about 20 rainbow shiners in my community 75. The tank stays at about 77-78 degrees Fahrenheit. I’ve lost a few in the past week. My question is what is the max temperature for these fish. Is my temperature too high? Is this just something that happens with fish you buy online? All my other parameters are good. 6.8 ph, no nitrites, ~30ppm nitrates, no ammonia. Any help would be appreciated
  9. This video may understandably bother some temperate aquarists. I refer to virtue, not environment. There are a number of wise old adages cautioning aquarists against the problems caused by overfeeding. However, when trying to get fish prepared for healthy spawning, _sometimes_ it is good to _overfeed_ as long as you compensate by _over cleaning_. Feed more? Water change more. So, here's a video sort of "journaling" a day in the life of our Rainbow Shiners. Bear in mind that there is a shy pair of Rainbow Darters in this aquarium as well that need the presence of uneaten frozen food (and live food when we feed that) available on the substrate. Shiners are "drift feeders" so once things settle down low, they do not dig for it like a cichlid might. These males are really coloring up!
  10. Rainbow Darter is starting to color up. Read a NANFA spawning report that one aquarist had success breeding them using spawning mops (!) So, made a mop that blends in pretty well. We’ll see... Rainbow Shiners coloring up. Did light timer narrowing for a bit, now expanding to simulate seasonal change. Males have begun chasing females. Added a spawning tray. We shall see...
  11. Alrighty then. Watch your step. Ridiculous nermhole to follow. Got a lovely batch of Notropis chrosomus this week. Very pleased! Getting obsessed. Started nerming . . . _____________________________________________________________________ Google search: > Notropis chrosomus >> Wikipedia “Rainbow shiner” > References >>> http://www.fishbase.org/summary/2848 > Jordan 1877 >>>> Wikipedia “David Starr Jordan” > References >>>>> (1877) “Contributions to North American Ichthyology” >>>>>> Search: notropis chrosomus > Hydrophlox chrosomus _____________________________________________________________________ So, just to explain here: A Google search has landed me on a fascinating book part-authored by the founding president of Stanford University, who was a passionate ichthyologist. This book "Contributions..." dates from 1877. Here, I observe that "chrosomus" (Latin: "colored body") only occurs in relation the prefix "Hydrophlox" but never "Notropis." Fishbase entry had indicated that "Notropis" was a misnomer. _____________________________________________________________________ Google search: > Hydrophlox chrosomus >> Science Direct > Abstract: “Phylogenetic relationships of the North American cyprinid subgenus Hydrophlox” (Cashner, June, 2011) >> nanfa.org > “The Chrome Minnow of North America: Keeping and Spawning the Rainbow Shiner ” (Katula, Jan-Mar 2016) _____________________________________________________________________ Now, the article above by Katula is wonderful. NANFA (North American Native Fish Association) makes archived articles free to read here. These are really fascinating studies, for anyone interested in native North American species. It confirms what I had inferred before that "Notropis chrosomus" used to be called "Hydrophlox chrosomus" -- and may well have had other names as well between 1877 and 2011. Plus the Katula article is a treasure trove of useful information! But wait for it . . . _____________________________________________________________________ > Wikipedia “Notropis” > Scientific Classification / Synonyms > Hydrophlox, Jordan, 1878 >> Related: Notropis rubricroceus (appearing on the Wikipedia webpage for "Notropis" >>> Wikipedia “Saffron Shiner” _____________________________________________________________________ And here, fellow nerms, is my exciting find of the day. These North American fish are unbelievably gorgeous, and should be selectively bred and sold more in the US hobby -- as also should Rainbow Shiners. > YouTube: Saffron Shiners on a River Chub Mound And then there's this . . . which brings up a lot of questions. If the fish below are Rainbow shiners, they are definitely a totally different color morph than the forms commonly sold. Or else, the fish below are mislabeled -- and are actually Saffron shiners (seen above). Except the same video poster also posted _other_ footage of Saffron shiners. I think there really are two color forms of Rainbow shiners: Type A (powder blue on males) and Type B (males are a lot more red) This other footage below (of Saffron Shiners spawning) shows markedly _yellow_ finnage rather than the power blue. And more Saffron Shiners . . . look at this: And then this: And there's this ex situ (fishtank) footage: Ah the life of a nerm during COVID. All too fun not to share . . . these fish are crazy interesting!
  12. So.... on some thread a little while ago, someone asked for “dream tank” setup... or dream fish.... can’t quite remember. ANYWAY— my answer was “Native North American Species tank featuring Rainbow Shiners + Rainbow Darters.” Today (drum roll....) the Rainbow Shiners arrived! We’ll see how they settle in long term. Here’s specs + a few photos: 29 gal. 63-degrees Fahrenheit. Emperor bio wheel 280 HOB filter + sponge filter. Mexican beach pebbles (large) plus smoothed landscaping stones. Small dried oak leaves added. Valisneria Americana. Bronze crypt. Hydor powerhead. Cheap LED filtered light + 1x blue coral fluorescent tube. Eco Complete substrate. Small aged piece of mopani wood. 35x Notropis chrosomus (Rainbow Shiners). 1x pair of Etheostoma caeruleum (Rainbow Darters).
  13. Hello Everyone! I'd like to try to breed my rainbow shiners. I've had them for just under a year now; 17 fish in total. I don't know how to tell if they are old enough to breed, though. I've attached pictures below. Could anyone with experience tell if these look old enough or ready to breed? I'd also greatly appreciate any tips or recommendations on how to actually breed them. I'm pretty experienced with breeding Malawi cichlids, but I'm totally new to egg-scatterers. Thank you for the feedback,
  14. Hello nerms! I'm starting a shallow open top tank in my bathroom. It'll have a lot of live plants, both submerged, emerged and floating. An aquascape, aiming for low maintainance. It'll be a 10 gallon/40 liter tank, no heater only room temperature. Will have a filter, will also have the surface an inch or so below the edge. My first thought was to not have any fish in it, but hey, fish are always more fun if it's possible! I can't stop thinking about these rainbow shiners. SO BEAUTIFUL! 😌 Do you guys think that it would be possible to have some of them in this tank? Or are they jumpers? If they are'nt a good choice, would Galaxy rasbora, shrimps or snails work? Some kind of algae eater? Something else that would work and thrive in it? Thank you, and happy new year! 😁🎉
  15. Ok: so, we’ve never kept or tried to breed Rainbow shiners (Notropis chrosomus) . . . but have a long-standing “crush” on the species. We’ve got questions! Have you kept and / or bred these fish? We see their incredible color potential. Does that really come out in home aquarium set up and lighting? Or is it only displayed in outdoor ponds? Is the tremendous coloration just in dominant males (like peacock cichlids) or is it a maturity thing? Are they colored up year round? Is this a matter of selective breeding? There appears to be a reddish strain and a bluish strain. Is this just genetics or lighting? Or diet? Has anyone tried selectively breeding these for intense coloration? How often do / could they spawn in home aquaria? What we’ve seen is largely drab looking specimens indoors, but wonderfully colored ones outdoors. Is it a sunlight thing?? And... oh please, oh please, ... can they be successfully kept with Rainbow darters??
  16. So I started with 20 fry over a year ago and I plan on starting my breeding project now that they are coloring up. I have a 55 for my males and a 75 that my females are living in at the moment but that will be the fry tank. I have 7 males and 10 females that I have selected. I plan to move the males in with the females after a week or so of good feeding. I have a pump blowing water over the spawning area in the 75. I do have a question what dose the temp have to be to get them to breed I am keepIng them in the garage and I want to know How low they will still breed at. I know they do well in cold water in the 50s and I've seen them in ponds with ice on them I'm just wondering if anyone has breed them at those temps?
  17. I was checking on my rainbow shiners today and I think there are eggs on the bottom. They have been in quarantine for about 2.5 weeks. I have kept them at room temp, about 72 F and done frequent water changes about 50% every day or every other day to keep my ammonia levels down. One of them is quite a bit darker than the others, more orange, and several have red highlights in their dorsal fins. The little round silica gel looking things are fish eggs? I've only kept live bearers before. I suppose I could collect them and place them in a Lee's specimen container with an airstone? I didn't expect breeding in quarantine.
  18. Bred over 400 rainbow shiner and got 2 golden body, I'm happy with these golden body, their red is alot stronger Photo is for comparison Before and after Both female
  19. Here's my breeding setup for my rainbow shiner 10gallon Sponge filter with a directional flow Temp at 70 Ph 7.3 ish This setup will only work if "she" is ready. It may take more than 1 try. I wouldn't leave them in their for more than 2 day, since the male can rub her side open. Separate the male and female. I start by pumping up my female with quality food/dry food for a few days to weeks. When she is fat with eggs, I'll place her with the male in a plant basket with a few good size rocks that night. Spongefilter flow will be pointed into the basket. They should spawn in the morning and be done soon after. I'll remove the parents and collect the eggs. I treat the eggs just like how you'll do for rainbow eggs. The whole idea is to have a setup where the parent have no chance of touching the eggs. In the wild theyll be swimming upstream and when they spawn the egg is blow downstream immediately. In a home aquarium most hobbies will breed them in large group so the fish that aren't breeding is eating the eggs.
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