
Silometopus ambiguus
Photo: Photo: (c) Matt, some rights reserved (CC BY-NC), uploaded by Matt
Overview
The kystspydedderkopp (Silometopus ambiguus) is a small, cryptic spider species with a distinctive elongated carapace and mottled brown-gray coloration that provides excellent camouflage among coastal vegetation. This specialized arachnid plays a crucial role as both predator of small arthropods and prey for larger invertebrates in its narrow ecological niche.
Silometopus ambiguus, the kystspydedderkopp, faces severe population decline primarily due to habitat loss from coastal development and climate change impacts on its specialized dune ecosystem. The species' extremely limited range and small population size make it particularly vulnerable to environmental disturbances and stochastic events.
Habitat
This species inhabits the narrow transition zones between coastal dunes and salt marshes, specifically dwelling among low-growing halophytic shrubs and grasses. It requires the unique microclimate conditions found in partially stabilized sandy soils with intermittent salt spray exposure.
Other threatened species in Linyphiidae
Threatened in Belgium
Frequently asked questions
Why is Silometopus ambiguus classified as Critically Endangered?
Where does Silometopus ambiguus live?
What are the main threats to Silometopus ambiguus?
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