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Janolus toyamensis
Baba and Abe, 1970
 
Janolus toyamensis
Maximum size:  10 mm (Bertsch & Johnson, 1981).

Identification:  This striking species has long, tapered cerata decorated with scattered, short papillae and thin streaks of white. The digestive gland can be seen within the cerata and they are tipped with bright yellow and either cobalt blue or blood red. The body and foot are translucent cream with white lines and reddish-brown spots. The rhinophores are papillate with white streaks and red-brown spots.

Natural history:  Janolus toyamensis is a rare species found in caverns and exposed rocky habitats at depths of 1-17 m (3-55 ft). It feeds on arborescent bryozoans (Gosliner, et. al, 2008).

Distribution:  Big Island, Lanai, Maui, Oahu and Midway: also known from Japan.

Taxonomic notes:  This species is listed as Antiopella sp. in Bertsch and Johnson, 1981. It was first recorded in Hawaii from the Pacific Biomedical Research Laboratory water system at Kewalo Basin, Oahu by Terry Gosliner in Feb. 1973.

Photo:  PF: Midway Atoll; May 31, 1993.

Observations and comments:

Note 1:  ( )
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