Mysterious baby shrimp

Tryne

Hello guys.
I received a new camera yesterday to get some better shots of my critters and while taking pictures I noticed a 4mm long baby shrimp.
I was really surprised and all of sudden, by checking out the rest of the tank, I saw lots more.
So, the thing is, I have 3 Amanos (sold as Caridina Japonica) and 5 or 6 Blue Velvet/Blue Dream (Neocaridina heteropoda).
All 3 of my Amanos have been pregnant for like 5 or 6 weeks.
They lost their eggs after that, and I didn't think anymore about it as I know they can't survive in freshwater.
The blue ones, I never saw any pregnant ones. They were introduced like a month after the Amanos and are still smaller.

I never questioned the Amanos being real ones as they completely cleaned my tank of algae all of themselves before I introduced the Blue ones.
But maybe I am wrong. I attached pictures of all my current variations of shrimp.

Now, the various questions I have about my shrimp:

- Have I been sold something else than Amanos? (picture attached)
- That brown/gold Neocaridina was blue months ago. It then turned completely black over the next weeks. And finally, weeks later again, turned to the current coloration. Is that normal? (picture attached)
- Does anyone have an idea what these baby shrimp are? Are they heteropodas? (picture attached)

I sa some baby blue dream/velvets on google images and they always look blueish. The babies I have look transparent with red tiny dots.
Anyways, just some questions I had.

Hopefully someone can help me out here Thank you all.
 

Catappa

Hello guys.
I received a new camera yesterday to get some better shots of my critters and while taking pictures I noticed a 4mm long baby shrimp.
I was really surprised and all of sudden, by checking out the rest of the tank, I saw lots more.
So, the thing is, I have 3 Amanos (sold as Caridina Japonica) and 5 or 6 Blue Velvet/Blue Dream (Neocaridina heteropoda).
All 3 of my Amanos have been pregnant for like 5 or 6 weeks.
They lost their eggs after that, and I didn't think anymore about it as I know they can't survive in freshwater.
The blue ones, I never saw any pregnant ones. They were introduced like a month after the Amanos and are still smaller.

I never questioned the Amanos being real ones as they completely cleaned my tank of algae all of themselves before I introduced the Blue ones.
But maybe I am wrong. I attached pictures of all my current variations of shrimp.

Now, the various questions I have about my shrimp:

- Have I been sold something else than Amanos? (picture attached)
- That brown/gold Neocaridina was blue months ago. It then turned completely black over the next weeks. And finally, weeks later again, turned to the current coloration. Is that normal? (picture attached)
- Does anyone have an idea what these baby shrimp are? Are they heteropodas? (picture attached)

I sa some baby blue dream/velvets on google images and they always look blueish. The babies I have look transparent with red tiny dots.
Anyways, just some questions I had.

Hopefully someone can help me out here Thank you all.
There are different breedings of blue shrimp available, so it is not for me to determine whether yours is a Blue Velvet or another "Blue". Your last picture looks to me as if it is a Black Rili. Neocaridina shrimp can revert to their wild brown or brownish transparent colors unless you keep them in a number of tanks and select only the truest colors for breeding. Without selective breeding, it can happen fairly soon or take a year or longer. Some colors are less stable, such as the green Babultis that I love so much. They will keep producing babies of all colors. I kept Blue Dream shrimp for about four or five years. It was a really good strain, as they remained vivid blue until the fifth year. Then I started seeing fewer that were intensely colored, instead, they were transparent light blue and also brown ones and black ones.

It's been way too many years since I had Amano shrimp (I had transparent shrimp in my aquaria back in the '70s, when they were considered very rare and I had no name for them, but assume they were what are now called Amano.)

The clear spotted baby? No idea. I'm curious what these will become as they mature. Could they have been stow-aways with plants?
 
Upvote 0

Debbie1986

are they all transparent?

if so, I think hitch hiker

My Blue Velvet shrimp have a variety of offspring colors & I'm guilty of not culling the non perfect representation of Blue. So about 1/2 are a perfect blue, 1 or 2 red, the rest are a varying of light blue glassy but none with red dots and transparent.

I purchased mine off ebay, 2 different vendors as I wanted diversity of genetics. My 'shrimp family' is 14 months old now.

this color guide may help:

Neocaridina / The Shrimp Farm
 
Upvote 0

Tryne

Maybe with the plants, but they are all in there for like 5 months except the floating ones.

Debbie1986 Yes, they are all of the same color and red dot pattern. I've been able to spot 7 just by looking around for a few seconds right now so there must be a whole legion in there.

How long does it take for a shrimp baby to get to this stage?
 
Upvote 0

Tryne

I am updating this because I still have no clue what these shrimp babies are and where they came from.

So, they defnitely didn't came with plants because there are now litterally dozens and dozens all around the tank. I would say there's probably easily between 50 and 100 in there. That's crazy..

Again, the only shrimp that were full of eggs were my Amanos (If they are real Amanos of course...). The Blue dreams have never been pregnant so far and. The babies are also not even slightly blue.

Can anyone tell me at what point I would be able to identify them? What to look for?

They are ALL transparent with brownish/yellow parts sometimes and red dots all over their bodies and some are now 1cm long. Latest pics from 2 minutes ago attached.

Also attaching one of the adult mothers that WAS full of eggs and another one that still is (pics 5 and 6).

Will continue to update until identification.
 
Upvote 0

Shadowfox

How are these babies now?? I bought shrimp online and got a tiny hitch hiker that looks very similar to your babies. Since I saw it in the bag before they were in the tank I know where it came from :)
 
Upvote 0

Tryne

How are these babies now?? I bought shrimp online and got a tiny hitch hiker that looks very similar to your babies. Since I saw it in the bag before they were in the tank I know where it came from :)
They are doing great! They got a new 120L home 2 months ago. I am now pretty sure they are no Amanos. They are barely half the size of my real adult Amanos. They go from yellowish to greenish and I think I saw a tiny little completely blue one between some leaves. They all have this bright line going along their body. I think they are originally blue velvets/dreams having gone back to their wild colors.

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