The Purple Zebra Shrimp is a fascinating, highly adaptable micro-shrimp. Although technically part of the Snapping/Pistol shrimp family (Alpheidae), they are incredibly tiny and entirely peaceful. Famous for their purple striping, they spend most of their time grazing on biofilm and hiding in crevices. While they thrive in freshwater or brackish setups (often kept with Opae Ula), their larvae require saltwater to develop, making captive breeding in freshwater impossible.
Purple Zebra Shrimp At a Glance
Purple Zebra Shrimp Tank Requirements
Will Purple Zebra Shrimp fit in your tank?
Care guides tell you what Purple Zebra Shrimp needs, the next question is whether your tank can safely provide it. Test Purple Zebra Shrimp against your tank size, maintenance needs, and the fish you already keep before you buy.
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Purple Zebra Shrimp Water Parameters
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Purple Zebra Shrimp Temperament & Compatibility
Purple Zebra Shrimp Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard
The standard commercial form. Since they cannot breed in pure freshwater, almost all specimens are wild-caught. Best kept in dedicated micro-shrimp setups or with very peaceful micro-rasboras to avoid predation.
Differs in 1 trait from base species
Also known as: Wild Type
Purple Zebra Shrimp Care Guide Summary
The Purple Zebra Shrimp, scientifically known as Potamalpheops sp., belongs to the Invertebrates family group. Adults reach a maximum size of approximately 1 cm and have a compressed body shape with a slow growth rate. Classified as peaceful, this species primarily occupies the bottom zone of the aquarium and produces a low level of biological waste.
To thrive, the Purple Zebra Shrimp requires a brackish tolerant aquarium with a minimum volume of 19 litres and a tank length of at least 30 cm. Water temperature should be maintained between 22°C and 28°C, with a pH range of 6–7.5 and a general hardness of 4–15 dGH. A low water flow is preferred.
Due to its specialist needs, the Purple Zebra Shrimp is best suited for fishkeepers who can provide a carefully planned setup. The Purple Zebra Shrimp is typically available in one standard form.
Purple Zebra Shrimp Habitat Setup
When setting up an aquarium for the Purple Zebra Shrimp, a low water flow best suits their natural preferences. Because this species occupies the bottom zone, the aquarium layout should prioritise sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include leaf litter or blackwater tannins to replicate their natural soft-water habitat, an established tank with natural algae growth, as they depend on it as a primary food source, and dense planting to provide cover, break sightlines, and reduce stress.
Purple Zebra Shrimp Compatibility Notes
Classified as peaceful, the Purple Zebra Shrimp is a social species that requires the company of its own kind to thrive. When choosing tankmates, boisterous or fast-moving tankmates may cause this species undue stress. Selecting tankmates that favour different water layers from the bottom zone can help reduce competition and territorial overlap.
Purple Zebra Shrimp Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Purple Zebra Shrimp.
5 Gallon
10 Gallon Standard
15 Gallon Standard
20 Gallon High
20 Gallon Long
29 Gallon Standard
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Frequently Asked Questions About Purple Zebra Shrimp
How big does Purple Zebra Shrimp get?
Purple Zebra Shrimp (Potamalpheops sp.) typically reaches a maximum adult size of approximately 1 cm. They have a compressed body shape and a slow growth rate.
What tank size does Purple Zebra Shrimp need?
A minimum aquarium volume of 19 litres and a tank length of at least 30 cm are recommended for Purple Zebra Shrimp. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Purple Zebra Shrimp need?
Purple Zebra Shrimp thrives in brackish tolerant conditions with a temperature range of 22–28°C, a pH between 6 and 7.5, and a general hardness of 4–15 dGH. A low water flow is preferred.
Is Purple Zebra Shrimp peaceful or aggressive?
Purple Zebra Shrimp is classified as peaceful with an aggression score of 0 out of 10. They are generally well-suited to peaceful community tanks.
Can Purple Zebra Shrimp live alone?
No, Purple Zebra Shrimp should be kept in groups of at least 5 to reduce stress and encourage natural behaviour.
Does Purple Zebra Shrimp have any special tank requirements?
Yes. Purple Zebra Shrimp benefits from established algae (otocinclus), leaf litter/blackwater, and plants - densely covered in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Top Tank Mates for Purple Zebra Shrimp
These fish are strong compatibility matches for Purple Zebra Shrimp based on water preferences, temperament, adult size, and tank behavior.
Green Neon Tetra
Paracheirodon simulans
Ideal Tank MatesGarnet Tetra
Hemigrammus pulcher
Ideal Tank MatesDwarf Rasbora
Boraras maculatus
Ideal Tank MatesDwarf Pencilfish
Nannostomus marginatus
Ideal Tank MatesGlowlight Tetra
Hemigrammus erythrozonus
Ideal Tank MatesMarbled Hatchetfish
Carnegiella strigata
Ideal Tank MatesPlants That Suit Purple Zebra Shrimp
These plants pair well with Purple Zebra Shrimp based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
Amazon Frogbit
Limnobium laevigatum
Asian Watergrass
Hygroryza aristata
Asian Watermoss
Salvinia cucullata
Beckett's Water Trumpet
Cryptocoryne beckettii
Broad-leaved Crypt
Cryptocoryne pontederiifolia
Carolina Fanwort
Cabomba caroliniana
Fish Similar to Purple Zebra Shrimp
Ninja Shrimp
Caridina serratirostris
The Ninja Shrimp is a fascinating, completely peaceful dwarf shrimp named for its rapid, darting movements and unique ability to quickly change color (from black and brown to red, blue, or translucent) to camouflage with its surroundings. Unlike Neocaridina, their larvae require brackish water to survive, meaning they will not reproduce and overpopulate a freshwater aquarium.
Brown Camo Shrimp
Caridina babaulti var. Brown
The Brown Camo Shrimp (Caridina babaulti) is a fascinating dwarf shrimp known for its ability to rapidly change color to match its surroundings, much like a chameleon. They are excellent scavengers and algae grazers. Unlike some highly sensitive Caridina species (like Crystal Reds), Babaulti are relatively hardy and can adapt to a wider range of water parameters, making them a great choice for planted nano tanks.
Blue Pearl Shrimp
Neocaridina zhangjiajiensis
A hardy, peaceful dwarf shrimp species closely related to the popular Cherry Shrimp. They are excellent scavengers that constantly graze on biofilm and algae. Due to their tiny size, they are extremely vulnerable to predation and are best kept in dedicated invertebrate setups or with very small, peaceful nano fish (like rasboras).
Bee Shrimp
Caridina logemanni
A highly prized dwarf freshwater shrimp known for its striking opaque color bands. Native to streams in Southern China, they require specific parameters to thrive: cool, highly oxygenated, acidic, and very soft water. This is usually achieved using RO (Reverse Osmosis) water remineralized with specific shrimp salts and active buffering soil. They are highly sensitive to nitrogen spikes and copper, and are extremely vulnerable to fish predation.
Bee Shrimp (Crystal Red / Black)
Caridina cantonensis
A sensitive, highly prized dwarf shrimp species known for its vivid red/white or black/white banding. Unlike the hardy Cherry Shrimp (Neocaridina), Bee Shrimp require cool, soft, acidic water and typically require active buffering soil to thrive. They are peaceful grazers perfect for specific biotope setups.
Cherry Shrimp
Neocaridina davidi
One of the most popular and hardy freshwater invertebrates in the hobby. They come in a rainbow of selectively bred colors. They are excellent scavengers and algae eaters, perfect for nano planted tanks. They are completely peaceful and have a negligible bioload, though they are highly vulnerable to predation by almost any fish with a mouth large enough to eat them.