Captive Born Blue Velvet Spider, Eresus sp. "Sidi Ifni"
C.B. Babies - .25"
Indigenous to the coastal sand dunes around the Essaouíra region, Southwest Morocco.
The Blue Velvet Spider, scientifically referred to as Eresussp. "Sidi Ifni," is a captivating member of the velvet spider family (Eresidae). This particular species is indigenous to the coastal regions of southwestern Morocco, notably around the town of Sidi Ifni. Renowned for its striking appearance and intriguing behaviors, the Blue Velvet Spider offers a fascinating glimpse into the diversity of arachnid life.
Note: Keep dry, moisture and humidity is not good for these spiders. They get all their moisture from feeding.
Taxonomy and Nomenclature
The genus Eresus was first described by Charles Athanase Walckenaer in 1805. This genus encompasses several species distributed across Europe, Asia, and Africa. The "Sidi Ifni" variant derives its name from the Sidi Ifni region in Morocco, highlighting its specific geographic origin.
Morphological Characteristics
Adult Blue Velvet Spiders exhibit sexual dimorphism, with females typically larger than males. Females reach about 15 mm (0.62 inches) in body length and are predominantly blue with a velvety texture. Males, measuring approximately 9 mm (0.35 inches), are particularly notable for their black and white coloration reminiscent of a dairy cow. This coloration serves as a warning to potential predators about their unpalatability. Both sexes possess hairy legs and abdomens, contributing to their characteristic velvety appearance.
Habitat and Distribution
The Blue Velvet Spider is native to the coastal sand dunes around the Essaouira region in southwest Morocco. This area is characterized by a dry Mediterranean climate, with minimal rainfall and abundant sunshine. The spiders thrive in arid environments, often constructing their nests beneath rocks or within crevices to shield themselves from the harsh climatic conditions. Their preference for such habitats underscores their adaptability to environments where moisture is scarce.
Conservation and Human Interaction
Uhile specific conservation assessments for the Blue Velvet Spider are limited, habitat preservation in their native regions is crucial. The coastal areas of Morocco, including Sidi Ifni, are subject to environmental pressures such as urbanization and tourism. Maintaining the natural landscapes of these regions ensures the survival of endemic species like the Blue Velvet Spider.
In captivity, enthusiasts have found success in rearing these spiders by replicating their natural arid conditions. It's essential to keep their enclosures dry, as excessive moisture can be detrimental. The spiders obtain necessary hydration from their prey, eliminating the need for additional water sources.
Cultural and Scientific Significance
The Blue Velvet Spider serves as a subject of interest for both arachnologists and naturalists due to its distinctive appearance and behaviors. Studying such species enhances our understanding of arachnid diversity and ecology. Moreover, the presence of this spider in the Sidi Ifni region adds to the area's rich biodiversity, highlighting the ecological value of preserving such habitats.
In summary, the Blue Velvet Spider, Eresus sp. "Sidi Ifni," exemplifies the remarkable adaptability and unique characteristics of the velvet spider family. Its vibrant appearance, specialized behaviors, and ecological significance make it a noteworthy species within its native Moroccan habitat.
