Tangerine Tiger Shrimp
Caridina serrata var. 'Tangerine Tiger'
Min Tank Size
20L
Adult Size
2.5 cm
Lifespan
2 years
School Size
6+
About
Tangerine Tiger Shrimp are a selectively bred color form of Caridina serrata, developed to intensify the warm orange base coloration that the wild type only hints at. Originating from breeding programs in Asia, they display vivid burnt-orange to tangerine bodies crossed with thin dark vertical stripes, giving them a look that punches well above their size in a planted tank. Females tend to be slightly larger and more deeply colored when in good condition.
They sit somewhere between Neocaridina and the demanding Taiwan Bee types on the difficulty scale. Water parameters matter more than with cherry shrimp, but they're genuinely forgiving compared to Crystal Reds or Blue Bolts. You're aiming for soft, slightly acidic water, ideally built from RO remineralized with a Caridina-specific mineral supplement. GH around 4 to 8, KH at 0 to 2, and pH between 6.2 and 7.2 covers the sweet spot. Stable is more important than perfect. Swings will stress them far more than sitting at 6.8 instead of 6.5.
They graze constantly throughout the day, picking biofilm off hardscape and plant leaves. A well-matured tank with good algae growth reduces how often you need to feed. Supplement with high-quality shrimp foods, blanched vegetables, and occasional protein sources like repashy or snowflake food. They don't need a lot, but variety keeps them healthy and breeding.
Breeding happens readily once conditions are dialed in. Females carry a clutch of orange-tinted eggs under their tail for around four weeks before releasing fully formed miniature shrimp. Colony growth is slower than Neocaridina but satisfying to watch develop over time. A densely planted tank with plenty of moss and fine-leaved plants gives shrimplets places to hide and graze safely.
Water Parameters
Temperature
°CpH
GH
dGHKH
dKHSwimming Level
Flow Preference
Keeping multiple Tangerine Tiger Shrimp together
Tangerine Tiger Shrimp are shoaling fish and need company of their own kind. Keep a group of at least 6. Smaller groups leave them stressed, washed-out in color, and prone to hiding.
Compatibility
These shrimp work best in species-only tanks or very carefully chosen communities. Nano fish like ember tetras, chili rasboras, or pygmy corydoras can coexist reasonably well, but any fish with a mouth large enough to eat a juvenile shrimp will eventually cause colony losses. Otocinclus are one of the safest fish companions available. Avoid anything larger or predatory. Snails are fine, mystery snails, nerites, and ramshorns all coexist peacefully. Do not mix with Taiwan Bee variants like Crystal Reds, as hybridization occurs readily and degrades both lines. Mixing with Neocaridina is low-risk for hybridization but still not ideal for a focused colony.
Commonly kept with
Species this one is most often paired withCommonly tried but avoid
Often paired, but shouldn't beCare Notes
The most common failure is trying to keep them in tap water without treatment. Unless your tap is naturally very soft and slightly acidic, you need RO water remineralized with a product designed for Caridina. The second big mistake is rushing acclimation. A bag float and a quick pour is not adequate, use drip acclimation over at least an hour. New tank syndrome kills shrimp fast, so cycle thoroughly before adding any. Sudden parameter swings trigger molting problems, and a shrimp that can't complete a molt will die. Stable, mature tanks with established biofilm make all the difference here.
Behavior & Aggression
Tangerine Tigers are completely non-aggressive. They pose no threat to any tankmate and will not compete meaningfully for territory or food in any active sense. The only aggression-adjacent behavior you'll see is males scrambling over each other to reach a molting female, which looks chaotic but is normal reproductive behavior. They do not nip fins, bother snails, or harass other invertebrates. Their biggest behavioral vulnerability is that they're small and slow, making them easy targets if unsuitable tankmates are introduced.
Things to Know
- Sensitive to ammonia and nitrite, even brief spikes can cause losses
- Do not mix with Taiwan Bee shrimp, hybrids degrade both lines
- Needs soft, acidic water. Tap water often unsuitable without RO
- Acclimate very slowly, drip acclimation over 1-2 hours minimum
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