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Halloween Hermit Crab
Hermit crab

Halloween Hermit Crab

Ciliopagurus strigatus

The largest and most food-aggressive of the reef-trade hermits — its constant foraging can knock over frags and steal food right off coral polyps, and it will kill smaller hermits or snails outright for a better shell. Best suited to an established tank with plenty of open rockwork and spare shells, not a delicate frag rack.

Temperament
Peaceful
Max size
2"
Min tank
30 gal
Reef-safe
Reef safe with caution
Diet
Omnivore
Zone
Sand bed, Rockwork
Usually kept in numbers — scale the crew to the tank, not to the shopping list.
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Tankmates

How Halloween Hermit Crab gets on with the rest of the reef, checked pair by pair by the same engine as the live pre-flight.

Best kept apart

A real clash — aggression, predation or a same-genus fight.

Red Coris WrasseRed Coris Wrasse hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Christmas WrasseChristmas Wrasse hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Antennata LionfishAntennata Lionfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Picasso TriggerfishPicasso Triggerfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Queen AngelfishQueen Angelfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Raccoon ButterflyfishRaccoon Butterflyfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Pearlscale ButterflyfishPearlscale Butterflyfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Dragon WrasseDragon Wrasse hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Divided Leopard WrasseDivided Leopard Wrasse hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Volitans LionfishVolitans Lionfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Zebra Dwarf LionfishZebra Dwarf Lionfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Fuzzy Dwarf LionfishFuzzy Dwarf Lionfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Snowflake MoraySnowflake Moray hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Zebra MorayZebra Moray hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Chainlink MorayChainlink Moray hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Golden Dwarf MorayGolden Dwarf Moray hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Blue-Throat TriggerfishBlue-Throat Triggerfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Crosshatch TriggerfishCrosshatch Triggerfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Niger TriggerfishNiger Triggerfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.Rectangle TriggerfishRectangle Triggerfish hunts small cleanup-crew inverts — your Halloween Hermit Crab is on the menu.