Mexichromis macropus
Rudman, 1983

Order: NUDIBRANCHIA
Suborder: DORIDINA
Family: Chromodorididae

DISTRIBUTION

Found throughout temperate and subtropical Australia [SW Western Australia, South Australia, Tasmania, Victoria, NSW, southern Queensland].

PHOTO

UPPER: Sisters Is, NW of Wynyard, northern Tasmania, May 1990. CENTRE: as above, showing tentacular anterior foot corners typical of Mexichromis. PHOTOS: Bill Rudman.
LOWER: Busselton Jetty, southern Western Australia. Feeding on sponge. PHOTO: Clay Bryce.

RELATED TOPIC

Ventral view showing Mantle glands

Mexichromis macropus differs from other Australian species of Mexichromis in having a mantle border consisting of radially arranged orange or yellow-orange stripes rather than spots or longitudinal lines. The dorsum ranges from translucent white to purple and has scattered pointed papillae tipped in purple. Like, to Mexichromis festiva and to Mexichromis mariei it has often been found with a bluish grey sponge, tentatively identified as a species of Dysidea.

References:
• Rudman, W.B. (1983) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: Chromodoris splendida, C. aspersa and Hypselodoris placida colour groups. Zoological Journal of the Linnean Society 78: 105-173.
• Rudman, W.B. (1984) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: a review of the genera. Zoological Journal of the Linnean Society 81: 115-273.

Authorship details
Rudman, W.B., 1999 (January 16) Mexichromis macropus Rudman, 1983. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/meximacr

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