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OPK Opistobranquis
the site to watch and learn about Mediterranean and Iberian sea slugs
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Introduction
What is an Opisthobranch?
Anatomy of the opisthobranchs
Coloration: Defense strategy
Feeding and radula
Sensory organs and rhinophores
Breathing, cerata and gills
Reproduction
Taxonomy
Classic taxon
Glossary
Alien Species
Species by geographic zone
Catalonia (Spain)
Straits of Gibraltar
Croatia
Visual Catalog
Most frequent species
Guide to Opistobranchs
Acochlidiimorpha
Acteonimorpha
Aplysiida
Architectonicoidea
Cephalaspidea
Bulloidea
Cylichnoidea
Haminoeoidea
Philinoidea
Nudibranchia
Doridina
Doridoidei
Doridoidea
Onchidoridoidea
Phyllidioidea
Polyceroidea
Bathydoridoidei
Cladobranchia
Aeolidioidea
Arminoidea
Dendronotoidea
Doridoxoidea
Fionoidea
Proctonotoidea
Tritonioidea
Unassigned Cladobranchia
Pleurobranchida
Pteropoda
Euthecosomata
Pseudothecosomata
Gymnosomata
Ringiculimorpha
Runcinida
Sacoglossa
Oxynooidea
Plakobranchoidea
Umbraculida
Unidentified Opisthobranchs
Gallery
Opisthobranchs of the Costa Brava
Opisthobranchs of Granada
Opisthobranchs of the Straits of Gibraltar
Opisthobranchs of Portugal
Opisthobranchs of Galicia (Spain)
Opisthobranchs of Asturias (Spain)
Rare Opisthobranchs
Radulas
Sea Slugs Postal Stamps
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Who are we ?
Manuel Ballesteros
Enric Madrenas
Miquel Pontes
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Sea Slugs Postal Stamps
stamp Cyerce cristallina – Haiti
Pontes, Miquel
25/04/2016
25/04/2016
Full size is
492 × 590
pixels
stamp Cyerce cristallina – Haiti
stamp Cyerce cristallina – Haiti
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