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Facts

Care
Type
Anemone
Light
High
Flow
Medium
Placement
Low on the rock, Middle of the rock
Difficulty
Demanding
Water values
Temperature
Ideal22–26 °C
pH
Ideal8.1–8.4
Range
Seen here

Seen in the wild in Australia, Fiji, Guam, Indonesia, Japan, Malaysia, Maldives, Mayotte, and 10 more countries.

More about the species

Description

Stichodactyla mertensii, commonly known as Mertens' carpet sea anemone, is a species of sea anemones in the family Stichodactylidae. It is regarded as the largest sea anemone with a diameter of over 1 m (3.3 ft), the next largest being Heteractis magnifica, which has longer tentacles. This species has an oral disc that can be described as more ovoid than circular that contours to the surrounding substrate and is attached to the substrate by adhesive verrucae, which are wart-like projections. Its blunt or pointed tentacles are uniformly shaped, and are only about 1–2 centimetres (0.39–0.79 in) long. It contains obligate symbiotic zooxanthellae, and is a host to around half the species of anemonefish and one damselfish, Dascyllus trimaculatus.

Other names
No other names.

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