Sessile Hydrozoan

Filellum serpens

• Group: Other
• Typical depth: 3–3300 m

This creeping hydroid spreads as a fine encrusting network over other animals and hard surfaces rather than standing upright. It is widespread and tolerant of depth, found from coastal water down to around 3,300 metres.

Taxonomy: Animalia › Cnidaria › Hydrozoa › Leptothecata › Lafoeidae › Filellum

Species data via the World Register of Marine Species (WoRMS), AphiaID 117690.