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Notropis chrosomus spawning


Fish Folk
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One of my favorite things! Rainbow shiners fired up, spawning. I saw them colored up, grabbed this empty glass cube, ran outside to toss in a few small landscaping stones, and minutes later…

It’s true — they’re eating a lot of eggs. But I’ll have a little batch ready to roll soon…

1FF9625E-BC51-49B3-956E-6D11F7DB77D5.jpeg.03c3924665d75512e6ca5ad186308d47.jpeg

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On 10/19/2022 at 4:54 PM, AquaHobbyist123 said:

That seems like an even larger number of eggs when you realize there are only 2 females. Are they seasonal spawners?

Once mature, and if properly fed on foods with enough fatty-acids, they'll spawn every two weeks. I do not catch and pull each time. And sometimes, I mess up and the eggs do not hatch. This aquarium is at my office. Today, I took them home on break from work and set them up to hatch out in a floating flow-through. 

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On 10/19/2022 at 5:14 PM, Fish Folk said:

One of my favorite things! Rainbow shiners fired up, spawning. I saw them colored up, grabbed this empty glass cube, ran outside to toss in a few small landscaping stones, and minutes later…

It’s true — they’re eating a lot of eggs. But I’ll have a little batch ready to roll soon…

1FF9625E-BC51-49B3-956E-6D11F7DB77D5.jpeg.03c3924665d75512e6ca5ad186308d47.jpeg

Congratulations on managing to get there in time with a camera!

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What size/age do the start getting into spawning mode? I managed to get a nice group a few months back but they were tiny little buggers. They've grown nicely and are all about an inch and a half now so I figure I still have a little ways to go. 

Really excited to see these fish mature. 

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On 10/20/2022 at 2:27 PM, MAC said:

What size/age do the start getting into spawning mode? I managed to get a nice group a few months back but they were tiny little buggers. They've grown nicely and are all about an inch and a half now so I figure I still have a little ways to go. 

Really excited to see these fish mature. 

In my view, they need a solid year or more. It is crucial that they’re fed well on a variety of foods to help them produce roe & milt. 

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