Description
The Ocean Blue Shrimp (Neocaridina davidi) is a vibrant and hardy freshwater dwarf shrimp known for its rich, deep blue coloration reminiscent of tropical ocean waters. As a selectively bred variant of the popular Cherry Shrimp, this striking Neocaridina is easy to care for, making it an excellent choice for both beginners and experienced shrimp keepers. Active, peaceful, and highly adaptable, the Ocean Blue Shrimp thrives in well-maintained community or species-only planted aquariums.
Features of the Ocean Blue Shrimp
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Reaches 2.5–3 cm in length
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Solid, dark blue to steel blue coloration, depending on grade and lighting
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Hardy and tolerant of a range of freshwater conditions
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Peaceful and social; thrives in groups or colonies
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Lifespan of 1.5–2 years with proper care
The best aquarium size for the Ocean Blue Shrimp
A minimum of 20 litres is suitable for a small colony. However, 40 litres or more is ideal for larger groups, breeding, and better water stability. The tank should be fully cycled and densely planted to provide cover and biofilm.
Tank Mate Compatibility for the Ocean Blue Shrimp
This species coexists well with small, peaceful fish and invertebrates that won’t view them as food. Compatible species include:
Diet for the Ocean Blue Shrimp
As omnivorous scavengers, Ocean Blue Shrimp require a balanced and varied diet to maintain health and colour:
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High-quality shrimp pellets and algae wafers
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Blanched vegetables (zucchini, spinach, cucumber)
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Naturally occurring biofilm and algae in the tank
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Occasional protein sources such as spirulina flakes or crushed bloodworms
Feed small amounts daily and remove leftovers to maintain water quality.
Aquarium Setup Ocean Blue Shrimp
Aquarium Filtration
Use a sponge filter or gentle hang-on-back filter with a pre-filter sponge. Ensure steady biological filtration without strong current, as shrimp prefer calm waters.
Aquarium Plants
Heavily planted aquariums are ideal. Use mosses like Java Moss or Christmas Moss, as well as stem plants and floating varieties to promote biofilm and provide shelter.
Aquarium Lighting
Moderate lighting supports plant growth and encourages biofilm development. Avoid harsh lighting, which can increase stress and algae blooms.
Aquarium Heating
Keep water temperature between 20°C and 26°C. These shrimp tolerate a range but breed best around 22°C–24°C. Use a reliable heater to prevent fluctuations.
Aquarium Substrate
Inert substrates such as sand or fine gravel work well. Unlike Caridina species, Neocaridina do not require active buffering substrates and prefer neutral to slightly alkaline pH.
Aquarium Decorations
Include natural materials like driftwood, cholla wood, Indian almond leaves, and shrimp tubes. These offer hiding spaces, grazing surfaces, and promote biofilm and microfauna development.
