Actively burrows in sediment.
Mouth ventral behind the brain.
Indian River Lagoon (Fort Pierce, Florida, USA)
Anterior is creamy white; posterior is darker tan color. Pointed head used for burrowing. Tail flattened.
Translucent body color.
Adult burrows into top 10 cm of fine sandy and muddy sediment.
Carnivorous and also feeds on detritus in sediment.
Gonochoric with external outcross fertilization. Single reproductive cycle per year with a duration of 2 months.
Egg development is 2 days; larval stage extends for several weeks.
No sensory structures on head.
