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Marine Biodiversity and Ecosystem Functioning EU Network of Excellence |
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Photo Gallery Achelous hastatus (Linnaeus, 1767)
Description Ventral view of Achelous hastatus (Linnaeus, 1767) (Decapoda: Brachyura: Portunidae: Achelouinae), adult male voucher specimen (Specimen ID: IMS-AHA-001) collected from Granadilla, Tenerife, Canary Islands (28°05′06″ N, 16°29′23″ W). The specimen was encountered at a depth of 6 m in a sandy patch adjacent to mixed rocky substrate and marina walls during a night dive on 6 August 2025. Photographed under standardized laboratory conditions. Morphometric measurements: carapace width (CW) = 48.2 mm; carapace length (CL) = 23.1 mm; cheliped total length = 74.7 mm; merus length (cheliped) = 28.2 mm; carpus length (cheliped) = 12.2 mm; propodus length (cheliped) = 39.5 mm; fixed finger length = 39.5 mm; dactylus length (cheliped) = 16.8 mm; pleopod length (male) = 17.5 mm. Scale bar = 10 mm. Associated iNaturalist record: https://www.inaturalist.org/observations/304259129 · 
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