Bamboo Shrimp
Atyopsis moluccensis
Min Tank Size
75L
Adult Size
8 cm
Lifespan
2 years
About
Native to fast-moving streams across Southeast Asia and parts of the Indo-Pacific, Bamboo Shrimp are one of the most unusual invertebrates you can keep in a freshwater tank. They're chunky, almost prehistoric-looking animals that range from reddish-brown to tan, often with a pale stripe running down the back. Some individuals can shift color noticeably depending on mood and environment. Adults reach around 8 cm, making them substantial enough to be a real display piece rather than an easy-to-miss background creature.
What makes them genuinely captivating is how they feed. Instead of scavenging like most shrimp, they plant themselves in areas of strong current and splay out four fan-like appendages to sieve suspended food particles from the water column. When you catch one positioned on a rock or piece of driftwood with all four fans open, intercepting the flow from a powerhead, it's hard not to stop and watch.
Water quality needs to be clean and well-oxygenated. They prefer slightly soft to moderately hard water with a neutral-ish pH. The current is non-negotiable. Without it, they'll wander restlessly, which is usually a sign they can't find a feeding spot. Supplemental powdered foods like spirulina powder, finely crushed flakes, or commercial invertebrate suspensions should be dosed directly into the current so the shrimp can intercept it. They'll also graze on biofilm and algae between feeding sessions.
These shrimp are completely peaceful and make excellent additions to community setups where the flow requirements can be met. Browse real tank builds with Bamboo Shrimp to see how other hobbyists have designed flow-rich aquascapes around their unique feeding behavior.
Water Parameters
Temperature
°CpH
GH
dGHKH
dKHSwimming Level
Flow Preference
Keeping multiple Bamboo Shrimp together
Bamboo Shrimp is mildly territorial. Small groups can work in spacious tanks with broken sightlines, but expect occasional squabbles.
Compatibility
They do well with calm, small-to-medium fish that won't harass them. Good companions include ember tetras, small rasboras, otocinclus, and other peaceful community fish. Avoid anything nippy or boisterous. Gouramis and tiger barbs are bad choices because they'll pick at the fans and antennae, causing chronic stress. Dwarf shrimp like neocaridina and caridina are perfectly safe tankmates, as are snails. Larger shrimp species are generally fine too. Keep them away from any fish large enough to try eating them, including larger cichlids or even large rainbow fish. Crayfish are an absolute no.
Commonly kept with
Species this one is most often paired withCommonly tried but avoid
Often paired, but shouldn't beCare Notes
The single biggest mistake people make is not providing enough directed flow. A gentle filter return won't cut it. You need a powerhead or spray bar positioned so it creates a strong, sustained current in at least part of the tank. The second most common failure is starvation. Bamboo Shrimp can look fine for weeks and then decline suddenly because they weren't getting enough suspended food. Dose powdered invertebrate food or spirulina powder directly into the current two to three times a week. Molting deaths are also common in tanks with very soft, ion-poor water, so trace minerals matter.
Behavior & Aggression
Bamboo Shrimp are genuinely non-aggressive animals. They have no interest in bothering other tank inhabitants and lack the claws needed for meaningful offensive behavior. The only hint of anything territorial is that two individuals competing for the same high-flow feeding spot may push against each other briefly, but this rarely escalates. You can keep multiples in a tank that has enough distinct current zones to go around. There are no reports of them harming fish, other shrimp, or snails under any circumstances.
Things to Know
- Needs strong, directed current to feed. Powerhead or spray bar is often required.
- Will slowly starve without regular supplemental feeding (powdered foods, green water).
- Molting is a major die-off risk. Iodine trace levels and stable water help.
- Cannot be kept with fish that will pick at their fans or antennae.
- If seen picking at the substrate, it is starving.
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