What is arenarenicola Marina?
What is arenarenicola Marina?
Arenicola marina is the familiar lugworm, much prized as bait by anglers. This sedentary polychaete has a firm, cylindrical body divided into a thoracic and an abdominal region. The head is small, with no appendages or eyes although a rough proboscis may be visible.
Where does the Arenicola marina cast?
Arenicola marina casts and burrow entrance. Arenicola marina casts at Mount Batten in Plymouth Sound. Arenicola marina casts. A lug worm out of the sediment. Aggregation of Arenicola marina casts at 5m depth. Distribution data supplied by the Ocean Biogeographic Information System (OBIS).
Is Arenicola marina a funnel feeder?
Arenicola marina and Leptosynapta sp. are ‘funnel feeding’ surface deposit feeders, ingesting sediment from the base of a funnel of sediment from within a U-shaped burrow (see Arenicola marina review; Hyman, 1955; Wells, 1945; Lawrence, 1987; Massin, 1982a, 1982b; Zebe & Schiedek, 1996).
What is the difference between Arenicola defodiens and Arenicola marina?
Arenicola defodiens sp. nov. has recently been distinguished from Arenicola marina on the basis of the morphology of the gills, the annulation pattern between the first 4 chaetigerous segments, size, burrow depth, cast type and shape, colour, absence of a feeding depression and genetic polymorphism (see Cadman & Nelson-Smith, 1993).