Peppermint Shrimp

Lysmata wurdemanni

Also known as Caribbean Peppermint Shrimp, Veined Shrimp, Candy Cane Shrimp

SaltwaterShrimp

Care at a glance

Temperature
72–81°F (22–27°C)
pH
8.1–8.4
Adult size
2 in (5 cm)
Minimum tank
11 gal (40 L)
Temperament
Peaceful
Social behavior
Social
Swim level
Bottom
Difficulty
Beginner
Breeding
Medium
Rarity
Very common
Reef safe
Reef safe
Origin
Western Atlantic and Caribbean
Family
Lysmatidae

Overview

A cheap, hardy, peaceful scavenger best known as natural Aiptasia control. It does well in groups and is fully compatible with fish, corals, and other inverts. If underfed it may occasionally pick at LPS such as open brain corals or acans, so keep it well fed. Keep it away from shrimp-eating predators.

In the wild

A Western Atlantic and Caribbean species that lives among rock, rubble, and reef crevices, often in small groups. In the aquarium it wants lots of live rock with caves and overhangs to shelter in during the day. It is most active at dusk and after lights out, coming out to scavenge across the rockwork and sand.

Good to know

Like other Lysmata, it is a simultaneous hermaphrodite, so groups pair and breed readily. It is one of the few reef inverts that will eat Aiptasia (glass anemones), preferring small to medium pest anemones. Note that true L. wurdemanni is frequently confused with several near-identical Lysmata species sold under the same trade name, and Aiptasia appetite varies between them.

Did you know

It is the go-to natural cure for an Aiptasia outbreak: a small group will hunt down and eat glass anemones that chemical treatments struggle to fully clear.

Appears in

Shrimp · Saltwater clean-up crew · Marine inverts

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