The Blood Red Fire Shrimp (Lysmata debelius) adds a splash of deep scarlet to a reef aquarium. Its bright white spots and long white antennae stand out against the rockwork, especially when it perches under a ledge or steps out at feeding time. Also known as the Blood Shrimp, it’s a peaceful, reef-safe marine invertebrate for an established saltwater aquarium.
Fire Shrimp often settle beneath an overhang or inside a cave. Give yours a sheltered spot near the front of the tank so you can watch it without disturbing its retreat. Some individuals set up a cleaning station and pick debris from fish that stop nearby.
Quick care guide
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Adult size — Around 5 cm, excluding antennae
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Temperament — Peaceful and often shy
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Reef compatibility — Reef safe
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Aquarium setup — Established saltwater aquarium with stable salinity and plenty of caves, ledges and crevices
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Diet — Small pieces of frozen mysis and other meaty marine foods, or suitably sized sinking pellets
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Tankmates — Choose fish that are unlikely to prey on ornamental shrimp
Simply Fish recommendation
Build a shaded overhang you can see from the front glass and drop a small piece of food nearby at feeding time. This gives your Fire Shrimp a chance to eat before quicker tankmates grab it. Keep salinity stable and use a separate treatment tank if your fish need copper medication, as shrimp are sensitive to copper.
Frequently asked questions
Is the Blood Red Fire Shrimp reef safe?
Yes. It’s suitable for established reef aquariums with live corals and compatible tankmates.
Will my Fire Shrimp clean fish?
It may clean fish that approach its perch. How often you see this depends on the individual shrimp and its tankmates.
Why is my Fire Shrimp hiding?
Fire Shrimp often spend time under ledges or in caves, especially after being introduced or after moulting. You may see yours more often once it settles into a regular feeding routine.
What is the clear shrimp-shaped shell in my tank?
It’s likely a shed exoskeleton. Shrimp moult as they grow and may stay tucked away while their new shell hardens.
