Christmas Tree Hydroid - Pennaria disticha - Hydroid - Feathered Hydroid

Christmas Tree Hydroid

Also known as: Feathered Hydroid

Category: Hydroid

Scientific Name: Pennaria disticha

Size: 3 to 5 in. (8 to 13 cm)

Depth: 10-60 ft. (3-18 m)

Distribution: Caribbean, Bahamas, Florida, Hawaii

Note: Previously known as Halocordyle disticha. Invasive species inHawaii, and possibly in the Indo-Pacific.

Cnidaria (Phylum)

└Medusozoa (Subphylum)

└Hydrozoa (Class)

└Anthoathecata (Order)

└Pennariidae (Family)

└Pennaria (Genus)

└P. disticha (Species)

Hydroid

Hawaii Reefs