Blue Poso shrimp (Caridina caerulea) has been added to the shrimp profiles πŸ™‚ Will add breeding information once I am successful!

Blue Poso shrimp


Blue Leg shrimp, Caridina ensifera ‘Blue’, Blue Morphe shrimp

Scientific name:

Caridina caerulea


25 – 30 mm

Water parameter tolerance:

pH 7,5 – 8,5

KH 3 – 10

dGH 3 – 10

TDS 150 – 500ppm

27-31 ΒΊC

Optimum water parameters:

pH 7,5 – 8,5

KH 3

dGH 7

TDS 150 – 300 ppm

27-31 ΒΊC

This is generally applicable to wild-caught shrimp. Shrimp bred in aquaria may adapt to the water parameters they were born in, also.


Caridina caerulea is beautiful species, and also an unusual shrimp to keep. Although at a glance they may appear dull in appearance next to some more striking species, a closer look will show the strong colours in its body. Its rostrum, pereiopods and uropods have a blue colouration, whereas its antennae and antennules are a vibrant red. Caridina caerulea also has an interesting habit of changing its body colour, ranging from pink-orange to deep blue.

This is a forgiving Sulawesi species, which I highly recommend to those considering trying Sulawesi shrimp. I find it will adapt to and breed in a wide range of alkaline conditions unlike most Sulawesi species. However, it is unlikely the delicate shrimplets will survive unless provided the optimum parameters.


Caridina caerulea is a wild lacustrine species endemic to Sulawesi, Indonesia. It is found exclusively in Lake Poso.


2 Responses to

  1. imke says:

    Good idea to mention the ‘opimal water parameter’. Too many keepers forget that they should not try maximum or minimum values πŸ™‚

  2. Jared says:

    Thanks πŸ˜› I think judging the optimum parameters might be difficult though, especially with artificial strains… Red Bees don’t seem to have an optimum at all for me πŸ˜‰ Haha

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