Transatlantic Plastic and Western Atlantic Rafters

Andy Dinsdale, Director, Strandliners CIC Image © Andy Dinsdale David Bowie & old slide of me

David Bowie – Ashes to Ashes - 1981 Image © Andy Dinsdale Image © Andy Dinsdale Image © Andy Dinsdale

U.K records of “drift seeds” between 1690 & 1990. Nelson, 2000, based on Murray 1986 Lobster trap tags from U.S & Canada

Image © Andy Dinsdale Fishing boat/equipment tags.

WARNING – Theft of this property and/or its contents is punishable by law. A fine and/or imprisonment may result. Image © Andy Dinsdale Image © Andy Dinsdale Image © Steve Trewhella Image © Steve Trewhella Image © Steve Trewhella Image © Steve Trewhella Image © Andy Dinsdale

Image © Andy Dinsdale Image © Andy Dinsdale Image © Andy Dinsdale Image © Andy Dinsdale Image © Andy Dinsdale Image © Andy Dinsdale Stramonita floridana (Conrad, 1837) - Florida rock snail or Florida purple

Image © David Fenwick Stramonita floridana (Conrad, 1837) - Florida rock snail or Florida purple

Image © David Fenwick Stone crab trap rope – Cornwall November 2016

Image © David Fenwick Dendostrea frons (Linnaeus, 1758) - Frond or Racoon oyster (non-native )

Image © David Fenwick Image © Steve Trewhella Cerithium litteratum (Born, 1778) - Stocky cerith or Lettered horn shell

Image © David Fenwick

Shoe with Florida rock snail. Keelworm sp. & Goose . Dorset 2018

Image © Steve Trewhella Image © Steve Trewhella Pseudovermilia fuscostriata - Keelworm

Image © Steve Trewhella Bivales (Mollusca) Anadara transversa (Say, 1822) - Transverse ark Ostrea stentina Payraudeau, 1826 syn. O. Arca zebra (Swainson, 1833) - Turkey Wing equestris Martesia fragilis Verrill & Bush, 1898 - Crested or Horse oyster - A Wood piddock Anomia simplex d'Orbigny, 1853 Martesia striata (Linnaeus, 1758) - Common jingle shell - Striate wood piddock or Wood piddock Heteranomia squamula (Linnaeus, 1758) Chama congregata Conrad, 1833 - Corrugated - Prickly saddle oyster (cosmopolitan) jewel box clam or Corrugated jewelbox Pododesmus rudis (Broderip, 1834) Chama macerophylla Gmelin, 1791 - False jingle shell - Leafy jewel box clam or Leafy jewelbox Aequipecten opercularis (Linnaeus, 1758) Chama sarda Reeve, 1847 - Cherry jewel box - Queen scallop as Aequipecten heliacus (Dall, clam 1925) Spondylus tenuis Schreibers, 1793 Argopecten gibbus (Linnaeus, 1758) syn. Spondylus ictericus - Digitate thorny oyster - Atlantic calico scallop Brachidontes exustus (Linnaeus, 1758) Euvola ziczac (Linnaeus, 1758) - Zigzag scallop - Scorched mussel Isognomon bicolor (C. B. Adams, 1845) Musculus sp. - A Mussel (finder Dr. P. Gainey - Bicolor purse-oyster 1986) Isognomon radiatus (Anton, 1838) Mytilus trossulus Gould, 1850 - Radial purse-oyster - Foolish or Pacific blue mussel (native) Pinctada imbricata imbricata Röding, 1798 Dendostrea frons (Linnaeus, 1758) - Atlantic Pearl Oyster - Frond or 'Coon oyster Pteria colymbus (Röding, 1798) - A Wing oyster Pinna carnea Gmelin, 1791 - Amber pen shell Marine snails (Mollusca) Foraminifera (Forams or Hole bearers) Cerithium litteratum (Born, 1778) Homotrema rubra (Lamarck, 1816) - Stocky cerith or Lettered horn shell - A non-native hole bearer or foram from USA Stramonita floridana (Conrad, 1837) Annelida (Marine worms) - Florida rock snail Spirobranchus americanus (Day, 1973) Sea slugs (Mollusca) - A Keeled tubeworm (Eschscholtz, 1831) - Noble Platyhelminthes (Marine flatworms) aeolis Astrotorhynchus bifidus (McIntosh, 1874) Other confirmed trans-atlantic rafting species Crustacea (Barnacles) Cnidaria / Scyphozoa (True jellyfish) Balanus trigonus Darwin, 1854 - A Linuche unguiculata (Schwartz, 1788) Dosima fascicularis Ellis & Solander, 1786 - Thimble jellyfish (non-native species) - Buoy barnacle Cnidaria / Hydrozoa (Sea firs / hydroids) (Anatifa) anatifera Linnaeus, 1758 Millepora species - A Fire coral - Common goose, Smooth goose-neck or Ship Cnidaria / Scleractinia (Stony, Hard and Cup barnacle corals) Lepas (Anatifa) anserifera Linnaeus, 1767 Astrangia species - A Stone coral - A Goose, Goose-neck or Stalked barnacle Lepas (Anatifa) hillii Leach, 1818 Bryozoa (Sea mats) - A Goose, Goose-neck or Stalked barnacle Akatopora tincta (Winston and Vieira 2013) Lepas (Anatifa) pectinata Spengler, 1793 - A cheilostome bryozoan (non-native NW - A Goose-neck or Duck barnacle Atlantic species) Conchoderma virgatum Spengler, 1789 Membranipora tenuis Desor, 1848 ? - A cheilostome bryozoan (cosmopolitan) (Amphipods) Caprella andreae Mayer, 1890 - A Skeleton shrimps Crustacea (Isopods) Idotea metallica Bosc, 1802 - An isopod Crustacea (Crabs) Planes minutus (Linnaeus, 1758) - Columbus or Gulf-weed crab

Marine species;- Please visit Aphotomarine for further information on transatlantic rafting species http://www.aphotomarine.com/trans_atlantic_rafting_species.html What questions should we be asking regarding transatlantic plastic rafting marine species? • Could these non-native marine species become a problem to the U.K? • Should we record these species on ? • How easy would it be to record them?