Cherry Shrimp Care: Tank, Water & Breeding Guide
Cherry shrimp care made simple: a cycled 5 gallon tank, 65 to 78F, neutral water, a sponge filter, the right diet, and why copper is deadly to your shrimp colony.
Cherry shrimp need a cycled, stable tank of at least 5 gallons, 10 is better, kept between 65 and 78F in neutral to slightly hard water. They are peaceful grazers that eat biofilm, soft algae, and shrimp food, they breed readily in good conditions, and they reach about 1.5 inches. The single most important rule: copper is lethal to shrimp, so many common fish medications can wipe out an entire colony.
Neocaridina davidi, sold as red cherry shrimp, is one of the best beginner invertebrates in the hobby because it is hardy, colorful, and an excellent cleanup crew. This guide covers the tank setup, water parameters, diet, tankmates, health, and breeding that keep a colony thriving. If you are still choosing a tank, run the numbers with our minimum tank size calculator and confirm your real water volume with the aquarium volume calculator.
Cherry shrimp care at a glance
| Care factor | Detail |
|---|---|
| Minimum tank size | 5 gallons, 10 gallons preferred |
| Adult size | About 1 to 1.5 inches |
| Temperature | 65 to 78F (72 to 78F for active breeding) |
| pH | 6.8 to 7.5 |
| Hardness | Neutral to moderately hard, roughly 6 to 12 dGH |
| Diet | Biofilm and algae grazer plus supplemental shrimp food |
| Temperament | Peaceful and social |
| Lifespan | About 1 to 2 years |
| Breeding | Breeds readily in freshwater |
| Critical warning | Copper, including in many meds, is lethal |
Tank setup
A 5 gallon tank is the practical minimum, and a 10 gallon is easier to keep stable because more water dilutes waste and holds temperature steadily. Cherry shrimp have a tiny bioload, so the limiting factor is not space but water stability. The most important requirement is a fully cycled tank with mature surfaces for the shrimp to graze, so never add shrimp to a brand new setup.
Filtration without fry loss
Use a sponge filter. It is the gold standard for shrimp because it provides gentle biological filtration, never sucks up shrimplets, and the surface of the sponge grows the biofilm that babies feed on. Avoid hang on back and canister filters with open intakes, since they will pull in young shrimp. If you already run a different filter, fit a fine pre filter sponge over the intake so the tiny shrimp stay safe.
Plants, substrate, and decor
Heavy planting is your best tool for a successful colony. Mosses such as java moss are perfect because they trap food particles, host biofilm, and give shrimplets the dense cover they need to survive. Add driftwood and leaf litter like Indian almond leaves to grow even more biofilm. A dark, fine substrate makes red coloration pop and looks natural. Cycling the tank first is essential, so read up on the nitrogen cycle and let the beneficial bacteria establish over about 4 to 6 weeks before adding any livestock.
Water parameters
Cherry shrimp are forgiving as long as parameters are stable. Aim for a pH of 6.8 to 7.5 and neutral to moderately hard water, since shrimp need some minerals, especially calcium, to molt and build their shells. Very soft, mineral poor water leads to failed molts, so check your GH and KH if you see problems. In a cycled tank your targets are 0 ppm ammonia, 0 ppm nitrite, and low nitrate. Shrimp are far more sensitive to ammonia than most fish, so a skipped cycle or an overstocked tank causes new tank syndrome losses fast.
Always dechlorinate tap water before it touches the tank. Keep water changes small and gradual, around 10 to 20 percent weekly, because shrimp dislike large sudden swings in chemistry. Match temperature and parameters when you refill, and read our water change guide for a low stress routine.
Diet
In an established planted tank, cherry shrimp graze on biofilm and soft algae around the clock and need very little extra food. Two or three times a week, offer a small amount of a quality shrimp food, an occasional algae wafer, or a slice of blanched zucchini, spinach, or carrot. The most common beginner mistake is overfeeding. Uneaten food rots, spikes ammonia, and can crash a colony, so feed only what the shrimp clear in a couple of hours and remove leftovers.
Cherry shrimp tank essentials
AQUANEAT Sponge Filter 3 Pack (up to 10 Gal)
$6.98 on Amazon
Gentle bio filtration that never sucks up shrimplets, the ideal shrimp filter.
Marcus Fish Tanks Java Moss Live Plant
$6.65 on Amazon
Traps biofilm and gives shrimplets the dense cover they need to survive.
Ultra Fresh Shrimp Food High Protein
$9.49 on Amazon
Nutrient rich supplemental food formulated for small ornamental shrimp.
KatsAquatics Calcium + Protein Shrimp Supplement
$13.50 on Amazon
Sinking calcium source that supports strong shells and healthy molts.
Tankmates
The safest and most productive cherry shrimp tank is shrimp only, because nearly every fish will eat shrimplets and many will hunt adults. If you want a community tank, plant it heavily, keep the cover dense, and choose only small, peaceful, non aggressive species such as ember tetras, small rasboras, otocinclus, or pygmy corydoras. Snails like nerites and mystery snails are excellent companions and add to the cleanup crew. Avoid bettas, gouramis, goldfish, larger cichlids, and any fish with a mouth big enough to swallow a shrimp. Before adding fish, check the load with our stocking calculator so the tank is not overstocked.
Common problems and health
The two biggest killers of cherry shrimp are copper and unstable water. Copper appears in many ich and parasite medications, some plant fertilizers, and old plumbing, and even trace amounts are deadly, so always read labels and never dose a copper based med in a shrimp tank. Failed molts, where a shrimp gets stuck or shows a white ring around the body, usually point to a calcium or mineral shortage or sudden parameter swings, so check your GH and keep changes gradual. Ammonia spikes from overfeeding or an incomplete cycle stress and kill shrimp quickly, so test regularly. For ongoing colony trouble, a knowledgeable local fish store can help. This guide is educational and not a substitute for professional advice.
Breeding
Cherry shrimp breed readily, which is part of their charm. Give them a stable, cycled, well planted tank with no predators and a colony will multiply on its own. A breeding female carries a cluster of eggs, called being berried, under her tail and fans them with her legs until tiny, fully formed shrimplets hatch after about three to four weeks. There is no larval stage to manage, unlike some other shrimp, so the babies graze biofilm immediately. Warmth around 72 to 78F, plenty of moss, and a sponge filter that cannot harm the young are all you need for a population that grows steadily.
The bottom line
Cherry shrimp reward you with color, constant activity, and free pest control, all in a tank as small as 5 gallons. Get the basics right, a cycled stable tank, a sponge filter, neutral to slightly hard water, gentle feeding, and absolutely no copper, and your colony will thrive and multiply. Plan your build with the minimum tank size calculator, confirm volume with the aquarium volume calculator, and keep any community tank balanced using the stocking calculator.
Aquarium Setup & Maintenance Planner
Stocking planner, water-test log, cycling tracker, maintenance schedule, and more, in one printable planner that keeps your tank on track.
Frequently Asked Questions
How many cherry shrimp can I start with?
A colony of 8 to 10 is a smart starting point in a cycled tank of 5 gallons or more. Shrimp do best in groups because numbers improve their confidence, foraging, and breeding success. Buy from one healthy source rather than mixing stock, acclimate slowly, and resist the urge to overstock on day one. Cherry shrimp breed quickly, so a small starter group becomes a thriving colony within a few months.
Why is copper dangerous for cherry shrimp?
Copper is toxic to all invertebrates, including shrimp, even at very low concentrations. Many fish medications, especially treatments for ich and external parasites, are copper based and will wipe out a shrimp colony. Always read every label before dosing a tank that holds shrimp, avoid copper based meds entirely, and double check that plant fertilizers and snail treatments are invert safe. Some tap water and old copper plumbing can also carry traces, so test if you suspect a problem.
Do cherry shrimp need a heater?
Not always. Cherry shrimp tolerate a wide range from about 65 to 78F, so many rooms stay warm enough without a heater. They actually breed well at the warmer end of that range, around 72 to 78F. If your home drops into the low 60s or swings a lot day to night, a small adjustable heater adds the stability shrimp prefer. Stability matters more than any single number, so avoid sudden temperature changes.
What do cherry shrimp eat?
Cherry shrimp are grazers that constantly pick at biofilm, soft algae, and decaying plant matter, which is most of their diet in an established tank. Supplement two or three times a week with a small amount of a quality shrimp food, blanched vegetables like zucchini or spinach, or the occasional algae wafer. Feed only what the colony clears in a couple of hours, because leftover food fouls the water and triggers harmful ammonia spikes.
Will cherry shrimp breed on their own?
Yes. In a stable, cycled tank with good water quality and no predators, cherry shrimp breed readily without any special effort. Females carry a cluster of eggs called a berry under the tail, fanning them until tiny, fully formed shrimplets hatch. The babies need cover such as moss and a tank free of fry eating fish and strong intakes. A sponge filter is ideal because it will not suck up the young.
Can cherry shrimp live with fish?
They can, but choose tankmates carefully. Most fish view shrimplets as food, so heavily planted tanks with dense moss are essential to give babies hiding spots. The safest companions are small, peaceful, non aggressive fish such as small rasboras, ember tetras, or otocinclus. Avoid bettas, larger cichlids, goldfish, and anything with a mouth big enough to eat an adult shrimp. A shrimp only tank gives the highest survival and breeding rates.
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