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Red Wine Shrimp
Caridina logemanni
📍 Taiwan / selective breeding
Red Wine Shrimp are a stunning deep burgundy to wine-red colored variety of Caridina logemanni, prized for their rich, solid coloration that intensifies with proper care and diet. These small freshwater shrimp display the characteristic peaceful grazing behavior of Caridina species and are excellent algae and biofilm consumers. Their striking coloration makes them a popular choice for planted aquascapes and species-specific tanks.
Care Guide
Diet
Red Wine Shrimp are primarily detritivores that graze on biofilm, algae, and decaying plant matter throughout the day. Supplement with high-quality shrimp-specific foods such as Shirakura, Mosura, or similar mineral-rich pellets 2-3 times per week, and offer blanched vegetables like spinach, zucchini, or cucumber occasionally. Ensure adequate calcium and minerals through quality food and water parameters to support molting and coloration.
Behavior
Red Wine Shrimp are active grazers that spend most of their time foraging on surfaces and substrate for biofilm and algae. They are social animals that thrive in groups and exhibit natural colony dynamics, with minimal aggression toward each other. Molting occurs regularly; provide plenty of hiding spots with plants, moss, and hardscape to allow shrimp to molt safely and recover.
Breeding
Red Wine Shrimp require soft, acidic water (pH 5.5-6.5, GH 4-6) to breed successfully, as they are sensitive to water chemistry changes. Females produce small batches of 20-30 shrimplets that develop within the mother's saddle; no planktonic larval stage occurs, making them easier to breed than some species. Provide abundant moss and biofilm to support shrimplet survival and growth.
Tank Mates
Small, peaceful algae eater that shares similar water parameters and does not prey on shrimp
Tiny, non-aggressive fish that thrive in soft acidic water and do not threaten shrimp
Nano fish with peaceful temperament; compatible with shrimp-focused tanks
Larger shrimp species that coexist peacefully with Red Wine Shrimp in established colonies
Provides essential biofilm, grazing surface, and shelter for shrimp and shrimplets
Hardy plant that provides grazing surfaces and hiding spots without being uprooted by shrimp
Common Diseases
Molting failure / incomplete molt
Shrimp unable to fully shed exoskeleton; stuck in old shell; lethargy; death if untreated
Ensure adequate calcium and minerals through quality food and mineral supplements; maintain stable water parameters (pH 5.5-6.5, GH 4-6); provide hiding spots; perform small water changes with remineralized water
Muscular necrosis (MSN)
White spots or patches on body; muscle degeneration; loss of appetite; shrimp become inactive
Increase water quality through frequent partial water changes; add Indian almond leaves or driftwood for tannins; ensure proper mineral balance; maintain stable temperature; isolate affected individuals if possible
Vorticella / protozoan infection
White fuzzy coating on body and appendages; lethargy; difficulty molting
Perform large water changes; add tannins via Indian almond leaves or peat; increase aeration; maintain optimal water parameters; avoid copper-based treatments as shrimp are extremely copper-sensitive
Copper toxicity
Sudden death; erratic swimming; loss of color; paralysis
Immediately perform large water changes with copper-free water; check all medications, fertilizers, and tap water for copper content; use only shrimp-safe products; activated carbon may help remove residual copper
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Quick Facts
- diet
- detritivore/omnivore - biofilm, algae, leaf litter, specialized shrimp pellets
- lifespan
- 1-2 years
- max size
- 3 cm (1.25 in)
- tank size
- 5 gallons minimum for colony
- temperament
- peaceful
Water it likes
- ph
- 5.5-6.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 4-6 dGH
- temperature
- 72–79°F (22–26°C)