THE MARINE FAUNA OF THE BLACKWATER ESTUARY 21
Harmothoe lunulata (Delia Chiaje)
One specimen from fouling on the bottom of a ship anchored
in the Blackwater (3.9.59). Probably a local species.
Sthenelais boa (Johnston)
One from grab sample at station TC.2 (12.8.60) and occasional
records subsequently. This is a large member of the family and
can grow up to 20 cm. in length.
Phyllodocidae
Phyllodoce sp.
Specimen from the Bradwell shore (January 1958).
Eulalia viridis (O. F. Muller)
One record only from Bradwell Creek.
Eulalia sanguinea Oersted
Fairly common on sandy shores beneath stones. Bradwell
shore (8.6.63 and 11.6.63), Mersea, Flat and St. Peter's Flats
(8.6.63).
Eulalia sp.
Several specimens from mud in Bradwell Creek, 1961 and '62.
Eteone longa (Fabricius)
Specimens from Bradwell shore, January 1960.
Eteone flava (Fabricius)
Specimens from Bradwell shore, April 1958.
Syllidae
Autolytus sp.
Larvae in plankton samples (1960 and 1961).
Nereidae
Nereis pelagica (Linne)
Common in soft mud in Bradwell Creek and probably present
in similar localities in other parts of the area.
Nereis diversicolor O. F. Muller
Common in mud and under stones on most shores from Maldon
down to Mersea Flat and St. Peter's Flats.
Nereis fucata (Savigny)
One specimen taken from fouling on a ship anchored in the
Blackwater (25.4.1960).
Nereis virens Sars
Occasional in grab samples, Bradwell Creek. Station 3. in 1963
and also in Bradwell Power Station water intake culvert (August
1963).
Nereis longissima Johnston
One record only: from Bradwell Creek.