The Sandalled Anemone, Daisy Anemone, scientifically known as Actinothoe sphyrodeta, is a captivating marine invertebrate renowned for its vibrant colors and unique morphology. This anemone, commonly found in various marine environments, plays a crucial role in its ecosystem, showcasing fascinating adaptations and ecological interactions.
Description & Characteristics
Actinothoe sphyrodeta, the Sandalled Anemone, is characterized by its distinctive, often bright orange, red, or pink body. Its column, the main body structure, can reach a maximum size of approximately 5 centimeters in diameter, making it a relatively small anemone. The column is typically covered in numerous small, wart-like bumps, giving it a textured appearance. These bumps can range in color from white to brown, adding to the anemone’s visual appeal.
One of the most prominent features of Actinothoe sphyrodeta is its crown of tentacles, which are arranged in multiple rows around the mouth opening. These tentacles can be quite long and slender, extending outward from the column. The tentacles are covered in stinging cells called nematocysts, which they use to capture prey and defend themselves.
Habitat and Occurrence
Actinothoe sphyrodeta, the Sandalled Anemone, thrives in a variety of marine habitats. It is typically found in the subtidal, sublittoral, and infralittoral zones, spanning the depths from the lower limit of the intertidal zone to the shelf edge at approximately 200 meters. Its presence is often observed in neritic zones, making it a common inhabitant of these aquatic ecosystems.
The Sandalled Anemone, Daisy Anemone often favors habitats with a firm substrate such as rocks, shells, and even submerged artificial structures. It can also be found on stony soils. This preference for stable surfaces allows the anemone to securely anchor itself and avoid being dislodged by currents or waves.
Taxonomy
Actinothoe sphyrodeta belongs to the Class: Hexacorallia, Order: Actiniaria, and Family: Sagartiidae. This classification places it within a diverse group of marine animals known for their radial symmetry, stinging cells, and carnivorous feeding habits.
Feeding
Actinothoe sphyrodeta, the Sandalled Anemone, is a carnivore, relying on a diet of invertebrates such as small crustaceans, zooplankton, and other small marine organisms. Its predatory nature is facilitated by its stinging tentacles, which capture prey and deliver a potent paralyzing toxin.
In addition to its predatory habits, Actinothoe sphyrodeta also exhibits a symbiotic relationship with zooxanthellae. These microscopic algae live within the anemone’s tissues and provide it with energy through photosynthesis. This symbiotic relationship is crucial for the anemone’s survival, especially in environments with limited food availability.
Image References