Siphopteron tigrinum
Gosliner, 1989

Order: CEPHALASPIDEA
Superfamily: PHILINOIDEA
Family: Gastropteridae

DISTRIBUTION

Tropical Indo-West Pacific (Japan, Palau, Papua New Guinea, Queensland, Madagascar)

PHOTO

Kerama Island, near Okinawa, Japan. PHOTO: Atsushi Ono. See message below.

It is characterised by the pattern of orange stripes. Length 3-4mm. Gosliner reports this species to be the most abundant gastropterid in Madang, Papua New Guinea, where it is found in the undersurface of coral rubble, on shallow reefs. According to Gosliner it has never been observed swimming.

References:
• Gosliner,T.M. (1989): Revision of the Gastropteridae (Opisthobranchia: Cephalaspidea) with descriptions of a new genus and six new species. The Veliger, 32(4): 333-381.
• Ono, A. (1999) Opisthobranchs of Kerama Islands. Tokyo: TBS-Britannica Co.

Authorship details
Rudman, W.B., 1999 (July 29) Siphopteron tigrinum Gosliner, 1989. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/siphtigr

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