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Galaxy Pinto Shrimp
Caridina logemanni
📍 Taiwan selective breeding
Galaxy Pinto Shrimp are a stunning selectively bred variety of Caridina logemanni, characterized by a deep black or dark base coloration heavily speckled with white, cream, or iridescent spots resembling a galaxy pattern. This striking contrast makes them highly sought after by advanced aquarists. The intricate patterning and coloration intensity depend on water parameters and diet quality.
Care Guide
Diet
Galaxy Pinto Shrimp are detritivores that thrive on biofilm, algae, and decaying plant matter. Supplement with high-quality specialized shrimp foods such as Shirakura, Mosura, or Benibachi products designed for Caridina species. Occasional blanched vegetables like spinach, zucchini, or sweet potato enhance nutrition and coloration.
Behavior
These shrimp are active grazers, constantly foraging along the substrate and plants for food. They are social and do best in groups, displaying natural colony dynamics with minimal aggression. Molting is frequent and essential; provide plenty of hiding spots and mineral-rich water to support successful molts.
Breeding
Galaxy Pinto Shrimp require stable, soft acidic water (pH 5.5-6.5, GH 4-6) to breed successfully. Females produce small batches of 20-30 shrimplets that are born fully formed (no planktonic larval stage). Breeding is moderately difficult and demands pristine water conditions, consistent temperature, and excellent nutrition for females.
Tank Mates
Small, peaceful algae eaters that do not prey on shrimp
Tiny, non-aggressive fish that share similar water parameters
Micro fish that pose no threat to adult or juvenile shrimp
Compatible with Caridina species; may compete for food but generally peaceful
Different Caridina species; may interbreed or compete; keep separate if breeding
Provides grazing surface, biofilm production, and shelter for shrimp
Common Diseases
Molting Failure / Incomplete Molt
Shrimp stuck in old exoskeleton, inability to shed completely, lethargy, death if untreated
Increase mineral content via GH boosters (Salty Shrimp GH+), ensure adequate calcium and magnesium, maintain stable pH and temperature, provide soft plants for grip during molt
Muscular Necrosis (MSN)
White spots or patches on body, muscle tissue discoloration, lethargy, loss of appetite
Perform 30% water changes, increase aeration, ensure TDS 100-150 ppm, supplement with mineral-rich foods, maintain optimal pH 5.5-6.5 and temperature stability
Vorticella / Fungal Infection
White fuzzy coating on body or appendages, lethargy, difficulty moving
Increase water changes (25-30% every 2-3 days), add Indian almond leaves or alder cones for tannins, maintain excellent water quality, avoid copper-based treatments (toxic to shrimp)
Copper Toxicity
Sudden death, erratic swimming, loss of color, paralysis
Perform immediate large water change (50%), use copper-free medications only, check all fertilizers and supplements for copper content, use RO water if tap water is copper-contaminated
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Quick Facts
- diet
- detritivore/omnivore - biofilm, algae, leaf litter, specialized shrimp foods
- lifespan
- 1-2 years
- max size
- 3.2 cm (1.25 in)
- tank size
- 10 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
- 72–75°F (22–24°C)