Cleaner Shrimp - Lysmata amboinensis

The Cleaner Shrimp (Lysmata amboinensis), also known as the Scarlet Skunk Cleaner Shrimp, is a reef tank favorite thanks to its bold coloration, peaceful nature, and natural parasite-cleaning behavior. Recognized by its vivid red and white racing stripe and long white antennae, this shrimp forms symbiotic relationships with fish by setting up a “cleaning station,” where it removes parasites and dead tissue. It’s both functional and fascinating to watch, making it a staple for reef tanks of all sizes.

Care Guide:

Tank Size:
Minimum 10 gallons. Best kept in reef aquariums with stable parameters.

Temperament:
Peaceful and reef-safe. Can be kept singly or in pairs/small groups (in larger tanks).

Lighting:
No special lighting required — thrives under standard reef lighting.

Flow:
Moderate — prefers areas with gentle to moderate current. Avoid strong, turbulent flow zones.

Placement:
Typically resides in rockwork crevices or under ledges. Will venture out during feeding and cleaning sessions.

Feeding:
Omnivorous scavenger — will feed on:

• Parasites and dead tissue on fish

• Leftover fish food

• Frozen or pellet foods (e.g., mysis, brine, reef blends)

Supplemental feeding is encouraged for optimal health.

Water Parameters:

• Temperature: 76–80°F (24–27°C)

• pH: 8.1–8.4

• Salinity: 1.025–1.026

• Alkalinity: 8–11 dKH

• Calcium: 420–450 ppm

• Magnesium: 1250–1350 ppm

• Nitrate & Phosphate: Low but detectable (NO₃: <10 ppm, PO₄: <0.05 ppm)

Compatibility:
Extremely reef-safe and peaceful with:

• Corals (all types)

• Other peaceful inverts and fish

• Can coexist with other cleaner shrimp if space allows

Avoid housing with aggressive shrimp (e.g., coral banded shrimp) or predatory fish (e.g., larger wrasses or triggers).

Special Considerations:

• Molts regularly — you may find empty molts that look like dead shrimp (don’t panic).

• Sensitive to copper — never treat your tank with copper-based meds if inverts are present.

• Will often clean your hand during tank maintenance — friendly and fearless!

Summary:

The Cleaner Shrimp (Lysmata amboinensis) is more than just a flashy addition to your reef — it's a functional cleaner and active participant in the ecosystem. With its peaceful behavior, striking coloration, and fascinating symbiotic relationship with fish, it’s a must-have for reefers looking to enhance both beauty and balance in their tank.