Orange Delight Shrimp (Caridina loehae)

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Orange Delight Shrimp
Caridina loehae
Orange Delight Shrimp (Caridina loehae)
Name Orange Delight Shrimp
Name Lat. Caridina loehae
Family Shrimps
Family lat. Atyidae
Order Decapoda
Order lat. Decapoda
Origin Sulawesi
Habitat Lakes, streams
Diet Omnivore
pH 7.5-8.5
Behavior Peaceful
Keeping Group
Care Level Difficult
Reproduction Oviparous
Breeding Difficult
Life Span 1-2 years
Protection No
Metric Units
Size 1.5-1.7 cm
Temperature 25-29 °C
Hardness 5-10 °dH
Aquarium 20 l
US Units
Size 0.6"-0.7"
Temperature 77-84 °F
Hardness 89-178 ppm
Aquarium 5 gal

Distribution and habitat

Matano shrimp are found in Lake Matano, Lake Towuti and its tributary (Salo Larona), and the Petea River in Sulawesi, Indonesia. They live mostly in the near shore, rocky areas at shallow depths.


They require an aquarium structured with roots, rocks and coarse debris and a moderately strong current. Planting with Java moss or other small plants is recommended for visual reasons. The substrate of dark sand or gravel should be partially covered with foliage (e.g. almond leaves, oak leaves), decaying plant material and mulm.

No ammonia, ammonium and nitrite should be detectable in the aquarium water, the nitrate value should not exceed 100 mg/l. To ensure the water quality and oxygen content, a filter and heater adapted to the size of the aquarium is required, as well as lighting for the species-appropriate day-night rhythm of the animals. When choosing the filter, special care should be taken to ensure that the animals cannot be sucked in.


In nature, they use the bristles of their scissor legs to rasp off growth organisms from stones, dead wood and plants. They can be fed well with autumn leaves of native trees (e.g. oak, beech, maple, birch), sea almond tree leaves as well as fresh, scalded nettle or dandelion leaves, spirulina algae and special shrimp food with low protein content (below 30%), plus spinach, freshly scalded or frozen. It is recommended to coat stones or roots with a slurry of spirulina, chlorella and other algae powder and place them in the aquarium after they have dried. Dry food for fish and crayfish, frozen or freeze-dried food as well as live food such as cyclops, daphnia, Artemia nauplii and microworms should only be offered occasionally due to the high protein content.

It is sufficient to feed them about 3 times a week. Unaccepted food should be siphoned off after about 12 hours. Regular and varied feeding promotes the well-being of the animals.

Behaviour and compatibility

They should be kept in a group of at least 10 animals. Keeping them in a species tank is recommended, but they can also be kept with small peaceful fish, snails (e.g. Tylomelania) and other dwarf shrimp in a community tank with lots of moss and fine-feathered plants (hiding places).

Basically, only compatible animals with similar requirements to the water condition and water temperature may be socialized.

Reproduction and breeding

The sex difference is hard to tell because they do not differ in size, shape or color.

From 10-15 large eggs hatch about 1.5 mm large, widely developed young, which immediately hide in rock or bottom crevices and begin to search for food. The sensitive juveniles require especially clean water. The use of a UV sterilization system is recommended. Breeding in the aquarium has been successful several times


The foliage (sea almond tree, oak, beech, etc.) not only provides cover, but when rotting promotes the development of microorganisms, which are a valuable secondary food source. It is not recommended to feed cucumbers, zucchini, peas, carrots, potatoes and peppers.

The well-being of the animals should be checked regularly. Temperature should be checked daily, pH, hardness and nitrate levels at least every 14 days. Regular partial water changes are recommended, even if the contaminant level has not yet reached the upper limit. Sudden changes in water quality should be avoided. Newly introduced animals must be accustomed slowly to the water in the aquarium.

Further literature can be found in your pet store.


Text: petdata; Image: Franz Lowak

Source: KARGE & KLOTZ (2008): Süßwassergarnelen aus aller Welt, Dähne Verlag; ENGELMANN & LANGE (2011): Zootierhaltung - Tiere in menschlicher Obhut: Wirbellose, Verlag Harri Deutsch