Red Line Shrimp (Caridinia striata)

Red Line Shrimp

Caridina Striata is a lacustrine species endemic to the Malili lake system, Sulawesi, Indonesia. It broadly lives in Lake Towuti, and some are also live in Lake Mahalona. Red Line Shrimp has striking white stripes (and few white spots) along the body over a red base color. The members are reddish and transparent, except for the chelipeds which are brilliant white. The hue of the shrimp’s coloration diminishes when it is under stress. That mostly happens due to unsuitable water conditions. Thus, to address the reason, water parameters such as pH, temperature, KH, GH and NO3 levels should be checked. Accordingly, the parameters must be aligned.

Water Parameters:

Temperature: 26 – 30°C
pH: 7,4 – 8,2
Hardness: 6 – 8 dGH

Caridina striata requires particular aquarium conditions such as water temperature around 29 ° C, pH at 8 and lowest hardness at 4-7 dGH. it is best to use re-mineralized reverse osmosis water for this species to prevent losses, especially in the first setup. There are mineral salts to acquire water to perfectly adjust for these invertebrates. Some other salts are also available in the market to condition the water, but the point to be noted is to pre-condition the water in a separate container to get the necessary values first and then making a water change with this pre-conditioned water.

Magnesium sulfate (Epsom Salt), Calcium chloride, sodium bicarbonate can be used to reach the preferred water hardness and some other minerals can be also added as essential minerals. But the best but a little expensive method is to use commercial products specially produced for that purposes. Due to the required special conditions, it is suggested that one should be well-informed before purchasing one of these species. However, note that some strains of breeding are more tolerant to less extreme values and may require less elaborated water pre-conditioning.

Caridina striata like to inhabit rocky areas in their wild habitat, and live on or under small rocks, and between boulders. Home aquariums with a rock-based setup will be best and closest to their natural habitats as well as growing some algae over them for the shrimps.


This species is herbivorous and will feed continuously around the tank. Red Line Shrimps will mostly eat algae wafers or a crushed flake and other shrimp pellets. They usually feed on seaweed and spend the day burrowing the ground and scratching stones. A diet based on spirulina will suit them properly. They may also welcome commercially available pellets. It is not substantial to nourish them consistently. They can find some food for many weeks in a well cycled and aged aquarium with algae-covered rocks that will simulate their natural habitat.


Sulawesi Red Line Shrimps can breed in the home aquarium. Reproduction happens in totally freshwater and there is no larval stage. The female conveys up to 30 eggs which will be later grown under the belly to little shrimps that immediately own a benthic lifestyle. The young shrimp are complete miniatures of the adults and show red striped patterns at a very early age.

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