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What is with unwanted shrimps? Especially hybrids and low grades

May we introduce to you? Shrimp Art hired a new staff member!
This is Mailo the perch and he is full responsible for all culls now!
He works fine, he is a really good hunter and he helped very well to keep the quality of lines high as possible.

We believe in philosophy that serious breeder shouldn’t spread weaker genes arround.

*Add: I posted this in 3 Facebook groups to sensibilize the growing szene for the problems of “selling culls” especially of hybrids. I got some questions fom ppl and I want show my answers here too, because an origin post seems removed by group-admin.

“Mostly those are males with poor color and pattern. Then shrimps of newer crosses which traits or results are unwanted and of course no shrimp with defects should be introduced again into breeding cycle. Also there are several phenotypes and visible characteristics I don’t consider worthy to breed high quality pattern and colors with.”

“It’s really hard to sit back and see how the things going worse in the last years. Tons of bad genes from “crossbreeding” are spread around and there is only one reason to do so. An that calls fast money.

New breeders don’t realize that they never will be able to breed any nice from hybrids in more than 98% of all cases. Especially former breeder let culls mix several generation without aim/ selecting and most worse if it is more than 3 different kind of shrimps involved. There is almost zero chance to control the developing or stable phenotypes.

Selling those culls or hybrids to newbies who don’t know what they do is like cheating and feeding a false dream. It leads into a downward spiral for this wonderful hobby with producing a lot of gene trash and disappointment when the buyer aware after some time. ”

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Green Tiger project. Part I

When i start a new project with shrimps , the very first thing I do is to figure out what i want excactly breed.

I define my target, maybe write it down in my book for personal entries while working with shrimps. Usually it takes some time, could be several years and if I had written down I might remember myself what was the main goal from time to time. Otherwise it could be drifting too far away from that what I rather wanted breed because there is a huge distraction by a lot of other phenotypes that could appear.

One of my current project is trying to breed a green Tiger.

I started in 2016 with a bunch of F2 shrimps where I selected the first breeding group from.

The shrimps I showed in this pics, give me an idea how it could look like, but the genes of F2 for tis phenotype is still a lot unstable. I don’t want breed with to less shrimps either, because this would end up in a weak population very soon by too much inbreeding. Doing a population with less than 7 unrelated shrimps is a no go for me, I avoid to breed with siblings or already inbreeded shrimps.   I prefer  the longer but much more healthier way and sometimes i will do some ‘outcrossings’ ( breed with shrimps which are sure unrelated maybe from a complete different population.


Some F2 generation  of Green Tiger Projekt what could be a good direction. I#m happy that F3 is already on the way! 🙂


project Green Tiger F2 generation


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How we bred the Safari line

Latley tons of cheap and cheapest  tibees  with low qualities floating the market of the shrimp scene world.


This is a sad attempt of the “just dealers” to jump in the success of high end cross breeding. But newbies will get cheated with such shrimps, because it will never possible to breed high grade shrimps with it. They only want you think that.

If you want breed high grade shrimps which can reach high prices on sale and be winners of contests, then you have to invest in the best shrimps that are currently available. Start own breed, lines, new pattern or what ever you want, just and only with high quality shrimps either. You can’t breed high grade from low grades as a rule! You will loose your interest soon.


Very often people ask us how we started with our Safari line and seek advice for own projects..

We don’t want make a secret from this but  after we had told, a lot of Dealers sold their lower shrimps as those we had mentioned because only they had similar names.

Please aware what you buy don’t trust in names only, you will get cheate

Especially when it comes to tiger shrimps:

In earlier publications we mentioned that we had used Caridina mariae. That was right so far to this time no Caridina mariae with backlines was on the market in 2010/2011. Those Caridina mariae with backlines are often cheaper tiger and you could NOT use for breeding similar Safari shrimp.

The worthy head pattern or characteristic stripes wouldn’t appear in that Quality if breed for or with backliners.



We want here make a new anouncement and improve our answer how we breed Safari:

When it comes to the right kind of tiger we ONLY used  old school Caridina mariae “ Black Tiger” dark eyed. And our own breed of these, a bluish kind of tiger with white fan tips sometimes,  which is  known as  “Midnight Prince”.

Look at the pictures below. We used this kind of tigers. No backliners. No tangerine. No cheaper wildcaughts. Use your eyes and judge the quality of Safari Tiger source 😉


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Myth about half siders / double face shrimps


Though hardly anyone will believe it, the phenotype of halfsider/ two face on caridina shrimp  will inheritable trait.

This is my double face tank and I have crossed Taiwan Bee halfsider with “normal” Tibee.

Those Tibees had never had half siders / double faces in their pedigree but I got  half sider (30% of offspring) Tibee/ Shadow Tibee in F1 generation..























It’s a fallacy, that  apply inheritance rules of other animal species to shrimps, without proof.

All comments / own experiences are welcome 🙂

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Shadow Tiger + Shadow Bee = Shadow TiBee

As I realized that ‘shadow’ is a trait inherited through genes of tiger shrimp, I have introduced some shadow bee shrimp into my advanced breeding project with Tibees in 2014 . Especially german breed of red shadow mosura capped and  spotted head pinto phenotypes.


In my small shrimp population the selective pressure had grown very strong, and thus I needed to bring in some fresh blood in order to keep my shrimp vital and healthy.

And indeed, some  phenotypes known as pinto, multistripe, etc. cropped up as early as in the F1 of tigerbee x shadow bee, and the shadow tiger traits were further enhanced. For me, this is just another piece of evidence that there are common ancestors.

F1 f.e. 2014:


IMG_8169  IMG_8164

IMG_8780 IMG_8455 IMG_8466 IMG_8495


However, in these crossbreeds there were also quite a few unwanted traits that had a negative effect on the quality I was aiming for. Crossing, or rather, backcrossing with pintos and shadow bees has thus posed another interesting challenge to promote the positive traits and to repress the negative ones, and to create new beauties with unique patterns. Shadow Tibees!

Lots of years of work for lots of breeders in all the world!

Please don’t be confused about all the different names for similar looking shadow shrimps like Galayx, Fishbone, Nanacy and so on. Those are all shadow Tibees at  first.  And then they got a individual name for the breeders line and or the pattern thereof.

So the correct name  in future of those shrimp may be:

Caridina spec. shadow tibee var. ‘Galaxy’ or

Caridina spec. shadow tibee var. ‘Fishbone’ or

Caridina spec. shadow tibee var. ‘Nanacy’

and  of course

Caridina spec. shadow tibee var. ‘Pinto’.


To be continued with F2 and further generations