Nothobranchius Guentheri Red Fry - GTA Aquaria Forum - Aquarium Fish & Plants serving the Greater Toronto Area.
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General Freshwater Discussion For all topics relating to freshwater fish to the in's and out's of maintaining a freshwater tank.

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Old 07-19-2018, 04:43 PM   #1
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Default Nothobranchius Guentheri Red Fry

About 3 or 4 weeks ago, I hatched some N.guentheri Red Killifish eggs that I had purchased off eBay for C$8.63. Eleven were then I tossed into a nano container with floating plants, a moss ball and hornwort. Killifish fry are TINY, essentially silver eyeballs that move, you can suck them up in a pipette.

A week later I added some neocaradinia and while I was staring at this tiny tank (about 4 gallons), a tiny transparent fish swam by, I had no idea if they had survived or not! I had seen infusoria which probably had come in on the plants from Vandermeer's. After another week, I saw two microscopic fishes. Last week I discovered there were three and I started feeding baby brine.

Today, I saw FIVE killis about 1/2" long when I tossed in a bunch of baby brine!

Thankfully I've had a 10 gallon planted tank cycling since June 21st because I'll need it! When they become sexually mature, I'll have to sell some males.

Sucks that I can't upload photos.
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Old 07-20-2018, 04:34 PM   #2
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Yesterday evening I added a bag of Fluval Stratum to my 10 gallon, it's eventually going to be a neocaradinia tank with some sparking gouramis. Our water is very hard, out of the tap our GH is 180, KH: 80 - 120 & PH: 7.5. So I've been using filtered water which has a GH of 30 - 60.

Anyway, I tested the water this morning and the GH was 0, KH: 0, PH: 6.0.

That's a little too buffered so I added coral rocks and will test again tomorrow morning.

As soon as I get the parameters settled, I'm going to move the killies and ottos until I get a larger tank cycled.

Here's a video from July 3rd, they've trippled in size since.
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Old 07-20-2018, 04:56 PM   #3
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This tiny tank, approximately 4 gallons, contains 2 Otocinclus, 5 N.guentheri fry, 10+ Neocaradinia, a number of pond and ram's horn snails and more floating plants than you can shake a stick at. I test this tank almost daily and the nitrates and nitrties are always 0! It has a nano heater and a diy sponge filter.



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Old 07-20-2018, 06:53 PM   #4
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A Ha! Finally got a photo of one of the fry, you can see how small it is compared to the juvinile otos.



And here's the 10 gallon.



And I know many of you are going to hate me for saying this but... I need to grow algae for my otos!
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Old 07-30-2018, 07:11 PM   #5
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Since moving everyone to the 10 gallon and feeding live baby brine shrimp, the killi fry are really growing at an accelerated rate. There are 5 total, I think I may have 2 males and 3 females, one is starting to get red on his tail and chase anyone who comes near. I can't wait till the Fluval is ready so I can separate them. Two females and one male will go in the Fluval and one pair can stay in the 10 gallon.



I took the rest of the peat and dumped it into the 4 gallon from which 2 more fry popped up. There's a ton of live food in there for them, lots of snails and some baby neocaradinia.
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Old 07-31-2018, 07:55 AM   #6
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I have the worst camera phone, it takes great photos if nothing moves because the lag is something from the 90's! This is the best photo I could manage of this guy's colours coming in.

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Old 08-01-2018, 08:50 AM   #7
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NEED HOME for TWO Nothobranchius guentheri (Redtail Killifish)

They're about a month old and maybe an inch long. At what age, considering their short lifespan, should they be rehomed? I'm not 100% sure of their genders but one is getting red fins.

Adult size is approximately 2", you cannot house 2 males together (unless you have a large tank with lots of plants). They easily spawn in peat, there are a number of YouTube videos if you want to try.

*** NOT SHRIMP SAFE ***
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Old 08-01-2018, 06:16 PM   #8
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Borrowed hubby's old iPhone, the results are marginally better.





And this is the one I THINK might be a female (I'm basing it on colour but I could be very wrong):

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Old 08-02-2018, 09:19 AM   #9
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That is so cool! The colours are starting to come in beautiful.

How long did it take to ship to you? I hear it can take like two months...but I guess the eggs stay dormant long enough.

So are you going to continue breeding them with the ones you've hatched?



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Old 08-02-2018, 09:31 AM   #10
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Quote:
Originally Posted by LaceyRen View Post
That is so cool! The colours are starting to come in beautiful.

How long did it take to ship to you? I hear it can take like two months...but I guess the eggs stay dormant long enough.

So are you going to continue breeding them with the ones you've hatched?



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Shipping took about a month. I started a nano tank (the rum pot in the photos) with plants from Vandermeers which brought in a lot of food for the fry. The eggs came with a starter culture of microworms as well.

I counted 11 out of 30 fry hatched in the first two weeks. Out of those 11, 5 survived to this point. I'm not set up to breed so no, I don't have any plans for that project!
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