02 Paragnathia formica

02 Paragnathia formica

Male, length 5 mm. Photographed live in water, adhering mud removed.
1: ventral respiratory pleopods projecting laterally from the pleon .
2 – 2: peraeon. 3: two peraeon somites fused with head to form the cepahalon. 4: lateral eye.
December 2010. Tidal River Dee, Wales.