Caridina mariae - Tigershrimp

Apart from a few like Tangerine tiger and Towuti tiger, tigershrimp belong to the species Caridina mariae from .. in China.

Several wild and domestic forms are in the hobby and in my experience they are quite hardy. I keep most of mine in my tapwater at 450 µs/cm. and pH 7,5 but some, like the red tiger OE seems to be a bit more sensitive. The red tiger OE is kept in "bee-water" at approx. 250 µs/cm.

Wildtype:
This is a wildtype where some females develop a very prominent backline and the shimp vary from greenish to reddish brown.




Red tiger:
The red tiger is a development from wild specimens. There are fancy red tigers in the hobby too from crossbreeds, but these are real C. mariae.




Red tiger OE:
Red tiger OE is a domestic type that can have blueish or yellowish bodycolour. Seems a bit more sensitive. 



Deep blue tiger OE:
The deep blue tiger OE is probably the most widespread in the hobby but not seen as often as in the "pre-Taiwan bee-era". In the deep blue groups blond or pale blue specimens appear.

Deep blue.

Blue.

Pale blue.

Blond.




Royal blue tiger OE:
Stunning type with deep blue, sometimes almost violet body without the tigerstripes visible.









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