Description

Scarlet Reef Hermit Crab (Paguristes cadenati)
The Scarlet Reef Hermit Crab is a peaceful and reef-safe hermit, recognized by its bright red legs and yellow eyestalks. Unlike some hermits, Scarlets are less aggressive and less likely to attack snails, making them one of the most reliable choices for reef aquariums. They actively scavenge for algae, detritus, and leftover food, helping to keep the tank clean. Providing a selection of empty shells will ensure they remain non-aggressive and well-behaved.

  • Care Level: Easy

  • Reef Safe: Yes

  • Diet: Algae, detritus, leftover food

  • Behavior: Peaceful scavenger; provide spare shells for long-term success

  • Recommended Tank Size: 10+ gallons

šŸ¦€ Scarlet Reef Hermit Crab (Indo-Pacific)
Scientific Name: Paguristes cadenati
Common Name: Scarlet Hermit, Red Leg Hermit
Size: ~1 to 1.5 inches
Reef Safe: āœ… Yes
Temperament: Peaceful, social with adequate shells
Diet: Omnivorous – grazes on algae, detritus, leftover food
Tank Role: Sand sifter, detritus eater, algae grazer

Scarlet Orange Reef Hermit Crab - Paguristes sp.

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        DescriptionDescription

        šŸ” Description:
        The Scarlet Orange Reef Hermit Crab is a staple of many reef tanks thanks to its vibrant red-orange legs and peaceful nature. Native to Indo-Pacific reef zones, it patrols both rockwork and sandbeds, tirelessly scavenging for leftover food, hair algae, and other nuisance growths.

        Unlike more aggressive hermits, Scarlet Hermits tend to avoid confrontation — especially when ample empty shells are available. They're reef-safe and rarely bother corals, making them an ideal long-term resident of mixed reef setups.

        Must HaveMust Have

        āœ… Why They’re a Must-Have:

        Peaceful Workhorse: Ideal for peaceful reef environments

        Algae Control: Targets hair algae and film algae on rock and substrate

        Low Maintenance: Hardy and easy to care for

        Visually Striking: Bright red coloration adds life to the tank

        Notes for SuccessNotes for Success

        āš ļø Notes for Success:

        Provide Spare Shells: Prevents fighting and stress

        Avoid Housing With Large Aggressive Hermits: May be outcompeted or harmed

        Feed If Tank is Clean: Supplement with algae wafers, seaweed, or meaty foods as needed

        Limit Stocking Density: 1 per 5–10 gallons is often ideal

        Best Used ForBest Used For

        🧽 Best Used For:

        Reef tanks needing peaceful, attractive algae control

        Mixed coral systems with delicate livestock

        Hobbyists who want visual appeal with function

        Description

        Scarlet Reef Hermit Crab (Paguristes cadenati)
        The Scarlet Reef Hermit Crab is a peaceful and reef-safe hermit, recognized by its bright red legs and yellow eyestalks. Unlike some hermits, Scarlets are less aggressive and less likely to attack snails, making them one of the most reliable choices for reef aquariums. They actively scavenge for algae, detritus, and leftover food, helping to keep the tank clean. Providing a selection of empty shells will ensure they remain non-aggressive and well-behaved.

        • Care Level: Easy

        • Reef Safe: Yes

        • Diet: Algae, detritus, leftover food

        • Behavior: Peaceful scavenger; provide spare shells for long-term success

        • Recommended Tank Size: 10+ gallons

        šŸ¦€ Scarlet Reef Hermit Crab (Indo-Pacific)
        Scientific Name: Paguristes cadenati
        Common Name: Scarlet Hermit, Red Leg Hermit
        Size: ~1 to 1.5 inches
        Reef Safe: āœ… Yes
        Temperament: Peaceful, social with adequate shells
        Diet: Omnivorous – grazes on algae, detritus, leftover food
        Tank Role: Sand sifter, detritus eater, algae grazer

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