Trapania benni is a species of sea slug, a nudibranch, a marine gastropod mollusc in the family Goniodorididae. This species is a food specialist, feeding exclusively on Entroprocta, commonly known as “Kelchwürmer”.
Description & Characteristics
The maximum recorded size for Trapania benni is 15 mm. It is a colorful nudibranch, with its body often displaying a combination of orange, white, and black markings. Its rhinophores, or sensory organs, are characteristically club-shaped and tipped with white.
Habitat and Occurrence
Trapania benni is typically found in shallow marine environments. This nudibranch is primarily encountered in the Mediterranean Sea, specifically in the waters surrounding the Balearic Islands. It is a prevalent presence in these aquatic ecosystems, making it a common sight for divers and marine enthusiasts exploring the region.
Taxonomy
The species Trapania benni belongs to the Class Gastropoda, Order Nudibranchia, and Family Goniodorididae. This classification places it within a diverse group of marine gastropods, characterized by their lack of a shell and often vibrant coloration. The specific classification of Trapania benni within the Goniodorididae family highlights its unique features and adaptations within this broader group of nudibranchs.
Feeding
Trapania benni is a specialized feeder, consuming only Entroprocta, also known as “Kelchwürmer.” This strict dietary preference sets it apart from other nudibranchs, demonstrating its unique ecological niche. These small, sessile animals provide the sole food source for Trapania benni, highlighting its role in the marine food web.
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