Like other Epiactis,
this species has no acontia,
and its column is not white. This species often has fine
white lines on its oral
disk which reach all the way to the mouth. Its column
is reddish, greenish, purple, or orange and has fine dark lines all the
way from the pedal
disk to the top of the column,
along the insertions of the internal mesenteries. The stripes
similar all the way up the column,
with no distinctly contrasting color occurring at the base (limbus) of
It broods its young externally in a band several individuals deep, but
the individuals are all of similar size (photo).
to 8 cm diameter. The underside of the pedal
disk (only visible when detached) has radiating orange or red
Epiactis lisbethae Fautin and Chia,
Common name(s): Lisbeth's brooding
|Epiactis lisbethae clinging to an Eisenia
on the west side of San Juan Island. Diameter of oral disk
|(Photo by: Dave
Cowles. Identified with the help
of Lisbeth Francis)
How to Distinguish from
fernaldi has no radiating white lines on the oral
disk or on the column.
The dark lines on the column
prolifera do not
continue above the middle of the column.
The lines on the oral
disk of Epiactis
are broad and do not approach the mouth. Urticina
crassicornis can have a similar mix of colors on
but its tentacles have broad color bands and the colors on its column
wall are broad blotches rather than fine vertical lines.
Island, Canada to Coos Bay, OR
separate and reproduction is seasonal. This species broods
externally. The brooded young appear to be all of similar
Red, brown, and green females usually have pink young, while orange
usually have orange young.
Fautin, Daphne G and Chia, Fu-Shiang, 1986. Revision of sea
genus Epiactis (Coelenterata: Actiniaria) on the
Pacific coast of
North America, with descriptions of two new brooding species.
Journal of Zoology 64:8 1665-1674
General Notes and
Observations: Locations, abundances,
This 5 cm diameter individual is hanging from a north-facing wall on
San Juan Island at low tide.
Notice how the darker lines on the mesenterial insertions run all the
way up the column wall to the oral disk.
Identified by Lisbeth Francis (for whom the anemone is named)
Photo by Dave Cowles, July 2006
This mother is brooding a batch of babies on the column wall.
individual, about 5 cm across the oral disk, is living on the wall of a
tidepool near an overhanging rock at Cape Flattery. Photo by
Cowles, July 2015
individual, only 1 cm across the oral disk, has its oral disk wide open
and is displaying its mouth. Photo by Dave Cowles, August 2018
same individual (1 cm oral disk diameter) is carrying a belt of babies
around its column. Note that, unlike E. prolifera, the vertical stripes on
the column extend all the way to the top. Photo by Dave Cowles, August
Authors and Editors of Page:
Dave Cowles (2006): Created original page