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InvertebrateMarineHard

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Giant Carpet Anemone

Stichodactyla gigantea

Native to the tropical Indo-Pacific. It inhabits shallow sandy or rocky reef flats exposed to high sunlight and moderate water currents.

Family
Stichodactylidae
Origin
Indo-Pacific Ocean: widely distributed in shallow, warm tropical coral reefs.
Origin
Tropical oceans and reefsExtra-Amazon South America
Tank use
Used in 0 tanks

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Species challenges
Water Temperature

22 °C - 27 °C

pH Value

8.1 - 8.4

Water type

Marine

Ecological role

Host anemone (clownfish host)

Copper

High

Species description

Geographical Origin and Habitat: Native to the tropical Indo-Pacific. It inhabits shallow sandy or rocky reef flats exposed to high sunlight and moderate water currents.

Taxonomy: Member of the family Stichodactylidae. Large anemone with a wavy oral disc covered in very short, sticky tentacles. Grows up to 50.0 cm.

Social Behavior: Sessile and aggressive. Possesses strong stinging cells and highly adhesive tentacles capable of trapping and consuming unwary fish.

Coloration and Sexual Dimorphism: Colors range from green and brown to brilliant blues, purples, or pinks. Visual sex differences are absent.

Care, breeding and tankmates

Tank Setup: Requires a large aquarium with a deep sand bed near rocks. High-output reef lighting and moderate to strong water flow are essential.

Diet and Feeding: Photosynthetic, but requires supplemental direct feeding of fresh seafood pieces (shrimp, fish) once a week.

Water Quality: Demands absolute stability. pH 8.1-8.4, salinity SG 1.023-1.025, and low nutrient levels. Perform regular water changes.

Compatibility and Tankmates: Natural host for clownfish species. Dangerous to other small fish, which may be stung and eaten. Avoid mixing with delicate corals.

Aquarium Breeding: Extremely rare in captivity. In the wild, they reproduce sexually.

Risks and Diseases: Highly sensitive to copper. Prone to bacterial infection and foot damage during transplantation.

Invertebrate profile

Type
Anemone
Diet
Photosynthetic
Ecological role
Host anemone (clownfish host)
Minimum group
1
Adult size
50 cm
GH
n/a
KH
8 dKH - 12 dKH
TDS
n/a
Copper
High
Shock sensitivity
Alta
Calcium and minerals
Nessuno
Molting
Non muta.
Reproduction
Raramente si riproduce in acquario; riproduzione asessuale per scissione poco comune.
Compatibility & tankmates
Possiede un forte potere urticante; può catturare e digerire pesci piccoli.

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

Related species

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Last updated: 06/13/2026