Blue Jelly
Neocaridina davidi
The Blue Jelly, which is reminiscent of blue glacier ice, looks particularly beautiful on a dark background.
- colored translucent ice blue
- easy to maintain
- prolific
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Important data
Product description & details
The Blue Jelly shrimp is a cultivated form of Neocaridina davidi, which originally comes from Asia and is found in Taiwan, China and Korea. It is characterized by a translucent, ice-blue color, which – depending on the animal – can be slightly lighter or darker and can also be a bit green/turquoise. The Blue Jelly variant was created through years of selection from the Blue Rili shrimp and therefore comes from the red color line. If you don’t want to keep just one color variant in the aquarium, you can keep them together with Red Sakura, Red Fire, Red Rili and Blue Rili without creating wild-colored offspring. Genetically, the Blue Rili is so interesting because it carries the Rili gene. When mixed, not only plain blue or red colored shrimp come out, but also many shrimp with a Rili pattern.
Care in the aquarium
The Blue Jelly shrimp is a robust and undemanding species that can be kept in an aquarium of 10 liters or more. It prefers clean and well-filtered water. Due to its ability to adapt to a wide range of water parameters, it is ideal for keeping in soft to hard tap water as well as in remineralized osmosis water. What is particularly important is that the temperature of the water does not exceed 26°C for long periods of time, even in summer. In order for this sociable dwarf shrimp to feel safe, it should be kept in a group of at least 10 animals and in a well-planted aquarium. The plants, but also roots, stone structures or shrimp tubes offer it protection and places of retreat. The nature of the substrate is of secondary importance for the shrimp, but its blue coloring is best shown on a dark substrate. The Blue Jelly can be socialized well with snails, but also with peaceful, small fish.
Feeding
As a classic leftover recycler, the Blue Jelly shrimp feeds on biofilm and algae growth as well as detritus (dead plant material, carrion, leftover food). In the aquarium it can be fed with special types of shrimp food, leaves, algae powder and occasionally frozen food. Feed containing astaxanthin, but also nettle leaves, additionally support the blue color of the Blue Jelly. Ideally, there are always brown autumn leaves in the aquarium, which represent optimal permanent food for the animals.
Sexual characteristics and breeding
Sex determination is usually not possible in young animals, but only in sexually mature animals. Juveniles and males have a narrower underside of the abdomen, while sexually mature females have a wider underside that covers the swimming legs like a “skirt”. This widening of the abdomen serves to protect the eggs, which the female carries and cares between her swimming legs until they hatch. Beforehand, the eggs are also clearly visible as a bright egg spot on the female’s neck. As with most dwarf shrimp, female Blue Jelly adults are slightly larger than males and tend to be slightly more intensely colored. All Neocaridina shrimp reproduce in fresh water and breeding in the aquarium is usually easy. After being berried for around 3 to 4 weeks, the female releases around 20-30 fully developed, transparent shrimplets, which initially feed on microorganisms present in the aquarium and can be fed with dust food.