Species profiles are literature summaries of the taxonomy, morphology, range, life history, and environmental requirements of coastal aquatic species. They are prepared to assist in environmental impact assessment. The sandworm (Nereis virens) is a commercially valuable baitworm, reaching lengths of 30 cm. Most worms lives 4 or 5 years. Males swarm in the water column before spawning in the females' burrows. Both males and females die after spawning. A planktonic ...