🦋 Identification Guide

How to Identify Stichodactylidae

7 species · Animalia · Order Actiniaria

Stichodactylidae is a animal family in the Animalia kingdom, order Actiniaria, class Anthozoa. The family contains 7 accepted species worldwide.

Key Identification Features

The sebae anemone, which has the scientific name Radianthus crispa (Hemprich & Ehrenberg, 1834), is distinguished by a flared oral disc that reaches 20 to 50 cm in diameter.
As a member of Hexacorallia, this sea anemone typically has a number of tentacles that is a multiple of six, arranged in concentric circles.
Stichodactyla haddoni (Saville-Kent, 1893) is characterized by a folded oral disc that reaches 50–80 cm (20–31 in) in diameter, with a 1–2 cm (0.
Its coelenteron surrounds the central body cavity, and this cavity is split by distinct septa.

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Representative Stichodactylidae Species

Stichodactyla tapetum (Hemprich & Ehrenberg, 1834)

Stichodactyla tapetum is a tentacled sea anemone found in tropical Indo-Pacific …

Stichodactyla gigantea (Forsskål, 1775)

Stichodactyla gigantea is a sea anemone that hosts multiple anemonefish species …

Radianthus magnifica (Quoy & Gaimard, 1833)

Radianthus magnifica, the magnificent sea anemone, is a large colorful anemone w…

Radianthus crispa (Hemprich & Ehrenberg, 1834)

Radianthus crispa, the sebae anemone, is a hexacoral sea anemone found in Indo-P…

Stichodactyla haddoni (Saville-Kent, 1893)

Stichodactyla haddoni is a widespread Indo-Pacific sea anemone, used in Thai cui…

Stichodactyla helianthus (Ellis, 1768)

Stichodactyla helianthus, the sun anemone, is a Caribbean sea anemone whose toxi…

Stichodactyla mertensii Brandt, 1835

Mertens' carpet sea anemone is the world's largest sea anemone that hosts many a…

Browse all 7 Stichodactylidae species →

Frequently Asked Questions

How do you identify Stichodactylidae?

Stichodactylidae animals belong to the Actiniaria order in the Animalia kingdom. The sebae anemone, which has the scientific name Radianthus crispa (Hemprich & Ehrenberg, 1834), is distinguished by a flared oral disc that reaches 20 to 50 cm in diameter. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Stichodactylidae?

Stichodactylidae is classified in the order Actiniaria, class Anthozoa, phylum Cnidaria. As a member of Hexacorallia, this sea anemone typically has a number of tentacles that is a multiple of six, arranged in concentric circles.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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