A to Z of Invasive Marine Species - Page 2

  • A-Z of Invasive Marine Species: Little-Neck Clam

    It has been in Britain for a long time, as the first (live) specimen was recorded in the Humber in 1864 but then died out in 1907. But that was not the end for the little neck clam in Britain.

    By Amy Featherstone on 23rd April 2013
  • A-Z of Invasive Marine Species: Harpoon Weed

    A. armata was introduced into Europe by the importation of oysters. The harpoon weed was first detected in Algeria, 1923 and probably spread to Britain via rafting or floating. Here in the UK, the weed was first recorded in 1949 in the Bristol Channel, on the island of Lundy in the asexual phase.

    By Amy Featherstone on 26th March 2013
  • A-Z of Invasive Marine Species: Ficopomatus enigmaticus

    The tubeworm needs a hard substrate to attach to, due to this high densities of the Australian tubeworm can form reef like structures reaching dimensions of 4 meters in width and more than 2 meters in height.

    By Amy Featherstone on 12th March 2013
  • A-Z of Invasive Marine Species: Ensis directus

    As it has a thin and streamlined shell it can burrow in wet sand (and swim) very quickly with the help of its strong foot. It gets its common name because the shell looks like a straight razor and it can be very sharp.

    By Amy Featherstone on 5th March 2013
  • A-Z of Invasive Marine Species: Darwin’s Barnacle

    Acorn barnacles are found in one of the severest conditions on the coast – rock faces on exposed beaches. On top of this, most tend to live high on the upper shore where they are uncovered for long periods of time by the tide.

    By Amy Featherstone on 26th February 2013
  • C is for Caprella mutica, an A-Z of Invasive Marine Species

    C. mutica belongs to a peculiar group of marine amphipod crustaceans. The head has two pairs of antennae and the body has multiple segments (pereonites), most with a pair of limbs (pereopods). Caprellids have long, thin bodies, and greatly reduced abdomens.

    By Amy Featherstone on 19th February 2013