Leathery Sea Anemone,Sebae Anemone – Radianthus crispa

, Leathery Sea Anemone,Sebae Anemone, Radianthus crispa
Depth: 1 - 25 m

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Amvrakikos Gulf, Andaman Sea, Arabian Sea, Aral Sea, Arctic Ocean, Atlantic Ocean, Baltic Sea, Barents Sea, Bay of Bengal, Bay of Biscay, Beaufort Sea, Bering Sea, Black Sea, Bohai Sea, Cantabrian Sea, Celtic Sea, Ceram Sea, Chukchi Sea, Coral Sea, Dead Sea, English Channel, German Bight, Great Barrier Reef, Greenland Sea, Gulf of Aden, Gulf of Fonseca, Gulf of Maine, Gulf of Mexico, Gulf of Saint Lawrence, Halmahera Sea, Iberian Sea, Indian Ocean, Java Sea, Korinthiakos Gulf, Labrador Sea, Levantine Sea, Lingayan Gulf, Mediterranean Sea, Moro Gulf, Okhotsk Sea, Pacific Ocean, Pagassitikos Gulf, Salish Sea, Saronikos Gulf, Scotia Sea, Sea of Azov, Sea of Marmara, Siberian Sea, South China Sea, Southern Ocean, Thermaikos Gulf, Yellow Sea

The Leathery Sea Anemone,Sebae Anemone, scientifically known as Radianthus crispa, is a captivating marine invertebrate belonging to the family Stichodactylidae. This anemone is recognized for its distinctive leathery texture and vibrant coloration, making it a popular choice for marine aquariums.

Description & Characteristics

Radianthus crispa exhibits a characteristically leathery texture, contributing to its common name. The anemone’s body is typically a vibrant green, with hues of brown or red interspersed throughout its surface. It possesses numerous tentacles, which are short and stout, arranged in a circular pattern around its central mouth opening. These tentacles are armed with stinging nematocysts, which are used to capture prey and defend against predators. The size of a Radianthus crispa can range from a few inches to over a foot in diameter.

Habitat and Occurrence

The Leathery Sea Anemone,Sebae Anemone, Radianthus crispa, is commonly found in the tropical waters of the Indo-Pacific region. Its distribution encompasses a wide geographical range, including the Red Sea, the Indian Ocean, and the western Pacific Ocean. This anemone thrives in shallow, reefs, lagoons, and rocky shores, often seeking out locations exposed to moderate sunlight.

Taxonomy

The species Radianthus crispa belongs to the Class: Hexacorallia, Order: Actiniaria, and Family: Stichodactylidae. The Hexacorallia class encompasses a diverse array of corals and anemones, characterized by their radial symmetry and six-fold or multiples of six symmetry in their body plan. The Order Actiniaria specifically includes the anemones, showcasing their solitary, unattached lifestyle and the presence of a single oral opening surrounded by tentacles. The Stichodactylidae family encompasses a variety of sea anemones, known for their robust, leathery bodies and their affinity for symbiosis with certain fish species.

Feeding

Radianthus crispa possesses a diverse diet, consisting of a variety of small marine organisms. It commonly feeds on brine shrimps, clam meat, and small fish, such as smelts. Like many other anemones, Radianthus crispa also maintains a symbiotic relationship with zooxanthellae, microscopic algae that live within its tissues. These algae provide the anemone with a source of energy through photosynthesis, contributing to its overall health and survival.

Associated Species

Image References

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