Green Ormer, European Edible Abalone, Tuberculate Abalone – Haliotis tuberculata

, Green Ormer, European Edible Abalone, Tuberculate Abalone - Haliotis tuberculata, Haliotis tuberculata

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The Green Ormer, European Edible Abalone, Tuberculate Abalone, scientifically known as Haliotis tuberculata, is a large, edible species of marine snail belonging to the family Haliotidae. This species is renowned for its distinctive, green-hued shell and its significant role in both culinary and ecological contexts.

Description & Characteristics

The Green Ormer, Haliotis tuberculata, can reach a maximum size of around 10 cm in length. Its shell, characterized by its vibrant green hue, is typically oval-shaped and possesses a series of respiratory pores along the edge, a defining trait of the abalone family. The shell’s surface is adorned with numerous, pronounced tubercles, hence the species’ common name “Tuberculate Abalone”. These tubercles contribute to the shell’s rough and textured appearance. The underside of the shell, known as the foot, is broad and muscular, allowing the Green Ormer to firmly adhere to its rocky substrate.

Habitat and Occurrence

The Green Ormer, Haliotis tuberculata, is a species found in various marine habitats, primarily in the intertidal zone between the high and low tide lines. It thrives in rocky, hard seabeds, frequently residing within kelp forests or algae zones. As a coastal species, it is typically found in shallow, relatively clear waters, often along the Atlantic coast of Europe, including the Mediterranean Sea. The species’ ability to withstand fluctuations in water levels and salinity makes it well-adapted to the intertidal zone’s dynamic environment.

Taxonomy

The Green Ormer, Haliotis tuberculata, is classified within the taxonomic hierarchy as follows: it belongs to the Class Gastropoda, which encompasses snails and slugs. This class falls under the Order Lepetellida, a group characterized by the presence of a radula, a toothed structure used for feeding. Within this order, Haliotis tuberculata is classified within the Family Haliotidae, a family comprised of various abalone species.

Distribution and Occurrence

The Green Ormer, Haliotis tuberculata, is primarily found in the Intertidal (Eulittoral) zone, the intertidal zone between the high and low tide lines characterized by the alternation of low and high tides. This makes it a prevalent presence in these aquatic ecosystems along the Atlantic coast of Europe. The species’ occurrence extends into the Mediterranean Sea, where it thrives in similar rocky, kelp-filled habitats. Its distribution is influenced by factors such as water temperature, salinity, and the availability of suitable food sources.

Feeding

The Green Ormer, Haliotis tuberculata, is a herbivorous species. Its diet consists primarily of algae, including microalgae. Its strong, muscular foot allows it to scrape algae off rocks and other surfaces. The Green Ormer plays a crucial role in the marine ecosystem by consuming algae and contributing to the overall balance and health of its habitat.

Associated Species

Image References

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