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sp. #26
Tenellia sp. #26
Maximum size: 3 mm.

Identification:  The body of this aeolid is translucent-cream. The rhinophores have apical and medial bands of opaque-white pigment separated by a pale orange band. The cephalic tentacles have an apical white band. Prominent brown branches of the digestive gland form a loop behind the head and fuse into a single branch behind the second ceratal cluster. That branch extends backward on the top of the notum with side-branches running into the cerata. The cerata are tipped with translucent-white and have opaque-white blotches distally. The top of the head is opaque-white and there are two large patches of opaque-white separated by a clear area on the anterior portion of the notum. A small white patch is present on the posterior portion and smaller patches of white also run along the sides of the body. The eye spots are surrounded by translucent patches. (Note #1)

Natural history:  Tenellia sp. #26 is known from a single animal found on a rock wall at a depth of about 18 m (60 ft).

Distribution:  Niihau; perhaps, also known from the Marshall Islands and/or Indonesia?

Taxonomic notes:  It was first recorded in Hawaii from off Lehua Islet, Niihau by April McCormack on Aug. 28, 2019. It may be related to "Tenellia sp. e867" on Scott Johnson's site. It may also be related to "Tenellia sp. 37" in Gosliner, et. al. (2018).

Photo:  April McCormack: 3 mm: off Lehua Islet, Niihau; Aug. 28, 2019.

Observations and comments:

Note 1:  The animal is missing part of its left rhinophore. In the photo on this page, the first ceras in the first ceratal cluster on the left side is bent far forward obscuring the base of the damaged rhinophore. The first ceratal cluster on the right side is probably also missing.
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