Tenellia sp. #1
|Maximum size: about 10 mm.
sky blue head and body with a yellow medial line
beginning on the head and extending onto the body.
The cerata have a bright blue band sandwiched between two yellow rings.
some individuals, there is an additional black ring between the blue
and yellow bands as well as black lines on the head.
Tenellia sp. #1 is
a moderately rare species that has been found in moderately exposed to
locations from < 1 to 6 m (< 3 to 20 ft).
Big Island, Maui, Lanai, Oahu and Kauai.
It was first
from Barge Harbor, Lanai by PF on Sept. 22,
1990 and was formerly placed in the genus Cuthona.
Photo: Rebecca Bicker: Maalaea Bay, Maui; March 21, 2021.
Observations and comments:
1: ( )