Genus Mola


Summary:

A widely distributed genus with two species, both known from Australia. Body very deep, slightly oblong to nearly circular in lateral profile; lips closing in rounded form; skin thick and leathery, covered with horny, rough textured denticles; clavus of relatively even width, without medial extension, margin mostly scalloped; pectoral fin small, rounded, not fitting into shallow groove on side of body.

Key to species of Mola

1a           Clavus supported by about 12 rays, of which 8–9 bear ossicles; ossicles widely separated, less broad than spaces between them; visible band of reduced denticles (smoother to the touch than surrounding skin) at the base of the clavus extending between the dorsal and anal-fin bases ..............................................................Mola mola

1b           Clavus supported by about 16 rays, 12 bearing ossicles; ossicles close together, much broader than spaces between; no visible band of reduced denticles at base of the clavus (skin on rear of body of a uniform texture) .................... Mola ramsayi

Author: Dianne J. Bray

Cite this page as:
Dianne J. Bray, Mola in Fishes of Australia, accessed 20 Aug 2017, http://fishesofaustralia.net.au/Home/genus/914

References


Bray, D.J. 2008. Molidae, pp. 859-861. In Gomon, M.F., D.J. Bray & R.H. Kuiter (eds.) The Fishes of Australia's Southern Coast. New Holland Publishers, Chatswood, Australia.