Stag Shell – Poropteron graagae

, Stag Shell, Poropteron graagae
Depth: 5 - 70 m
Water Type: Marine
Toxicity: Toxic hazard unknown
Red List Status: Not evaluated (NE)

The Stag Shell, scientifically known as Poropteron graagae, is a fascinating marine gastropod with a distinctive appearance. This species is characterized by its robust, spiky shell, which contributes to its common name.

Description & Characteristics

The Stag Shell (Poropteron graagae) exhibits a robust, conical shell with prominent, sharp spines, giving it its characteristic stag-like appearance. The shell is typically brown or tan in color, often with darker bands or markings. The shell’s surface is rough and textured, with intricate spiral ridges and grooves.

Habitat and Occurrence

Poropteron graagae is a common inhabitant of the subtidal, sublittoral, and infralittoral zones, ranging from the lower limit of the intertidal zone down to the shelf edge at about 200 meters depth. These zones fall within the neritic zone, which encompasses the relatively shallow waters above the continental shelf. The Stag Shell prefers habitats characterized by gravel soils, rubble rocks, and rocky, hard seabeds. Its adaptability allows it to thrive in various marine environments, making it a prevalent presence in these aquatic ecosystems.

Taxonomy

Poropteron graagae belongs to the Class Gastropoda, a diverse group of mollusks that includes snails, slugs, and sea butterflies. Within the Gastropoda, it is further classified within the Order Neogastropoda, which encompasses a wide variety of predatory sea snails. This species is part of the Muricidae family, also known as murex snails, which are known for their intricate, spiky shells.

Feeding

The Stag Shell (Poropteron graagae) is a carnivorous predator, primarily feeding on other marine invertebrates. Its sharp, spiky shell provides a protective covering while it searches for prey in the seabed. With its strong radula, a toothed structure in its mouth, it can scrape and tear flesh, effectively consuming its chosen prey.

Associated Species

Image References

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