Selastele pictum is a species of sea snail, a marine gastropodmollusc in the familyCalliostomatidae,[1] a group of marine gastropods known for their intricately patterned and often colorful shells. First described by B.A. Marshall in 1995, this small but fascinating species is a part of the diverse and complex ecosystem of deep-sea mollusks.
The shell of Selastele pictum is relatively small, reaching a height of approximately 6 millimeters. Its structure exhibits the characteristic conical shape typical of Calliostomatidae, with fine sculptural details that may help distinguish it from closely related species. The name pictum suggests a visually distinctive or patterned shell, though further studies are needed to provide a comprehensive description of its coloration and texture. [2]
Habitat and Distribution
This species is found in the Western Central Pacific, particularly around the Loyalty Islands. It inhabits deep-sea environments, typically residing at depths of around 370 meters. As a benthic organism, S. pictum is adapted to life on the ocean floor, where it likely plays a role in the local marine food web.
Ecological Role and Behavior
While little is known about the specific behavior of Selastele pictum, it can be inferred that, like other members of its family, it feeds on detritus, algae, or microorganisms present on the seabed. Its small size and deep-water habitat make it a relatively obscure species, with limited observations recorded.
Conservation and Research Importance
Due to its deep-sea habitat, S. pictum is not frequently encountered, and its conservation status remains undetermined. However, deep-sea ecosystems face threats from habitat destruction, climate change, and deep-sea trawling. Further research on this species could provide valuable insights into the biodiversity of deep-sea gastropods and their ecological significance.
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Distribution
This marine species occurs off the Loyalty Islands at a depth of 370 m.[3]
Marshall, B.A. (1995). Calliostomatidae (Gastropoda: Trochoidea) from New Caledonia, the Loyalty Islands and the northern Lord Howe Rise. pp.381–458 in Bouchet, P. (ed.). Résultats des Campagnes MUSORSTOM, Vol. 14 . Mém. Mus. nat. Hist. nat. 167: 381–458
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