Dasysiphonia japonica (Yendo) H.-S.Kim, 2012
Siphoned Feather Weed
Synonyms: Heterosiphonia japonica
CLASSIFICATION
Main Group: Protoctist
Sublevel 1: Archaeplastida
Sublevel 2: Red Algae
✦✦✦✦✦✦✦✦
Division: Rhodophyta
Class: Florideophyceae
Order: Ceramiales
Family: Delesseriaceae
Genus: Dasysiphonia
Species: Dasysiphonia japonica
STATUS IN NEW ENGLAND
Origin: Introduced
Invasive, Pest, or Pathogen?: Yes
Listing:
See Notes
Rarity Designations:
There are no rarity listings for protoctists.
The federal government and New England states do not evaluate
protoctists for rarity.
BIOLOGY/ECOLOGY
Feeding Type: Photoautotroph
HABITAT
NOTES
Invasive in our area. Native to the Indo-Pacific. First reported in the Northwest Atlantic in 2009, in Rhode Island.
PHOTOS OF Dasysiphonia japonica
On a beach
Nantucket County, MA
Date: 2025-07-15
On a beach
Nantucket County, MA
Date: 2025-07-15
On a beach
Nantucket County, MA
Date: 2025-07-16
REFERENCES
Ramsay-Newton, C., Drouin, A., Hughes, A.R. et al. 2017. Species, community, and ecosystem-level responses following the invasion of the red alga Dasysiphonia japonica to the western North Atlantic Ocean. Biol Invasions 19, 537–547. https://doi.org/10.1007/s10530-016-1323-y