Sacoproteus nishae Krug, Wong, Medina, Gosliner, & Valdes, 2018
|Maximum size: 15-20 mm.
is a relatively large species with small tubercles on the inner
surfaces of its cerata and white tips on its rhinophores. It is similar
to Sacoproteus smaragdinus
in that regard but has more spherical cerata, more white pigment and an incomplete green line on the top of its head.
Sacoproteus nishae is known from one animal found at about 1 m (3 ft). (Note 1)
Distribution: Kauai: widespread in the Pacific.
was first recorded in Hawaii from Anini Beach, Kauai by Cassidy Grattan
on Feb. 16, 2018. There's some question about lumping the Hawaiian
population with those from elsewhere in the Pacific.
Photo: Cassidy Grattan: 15-20
mm; some central cerata autotomized: Anini Beach, Kauai; Feb. 16, 2018.
Observations and comments:
1: Cassidy Grattan reported that it
was found at night in a resting posture similar to the resting posture of Ercolania cf. coerulea. He also said it autotomized some of its central cerata while