Triopha
A live individual of Triopha catalinae, in situ, head end towards the lower left
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Nudibranchia
Superfamily:	Polyceroidea
Family:	Polyceridae
Subfamily:	Triophinae
Genus:	Triopha Bergh, 1880[1]

Triopha is a genus of colorful sea slugs, nudibranchs, shell-less marine gastropod mollusks in the family Polyceridae.

Species within the genus Triopha include:^[2]

• Triopha catalinae Cooper, 1863
• Triopha maculata MacFarland, 1905
• Triopha modesta Bergh, 1880
• Triopha occidentalis Fewkes, 1889

Synonyms

• Triopha aurantiaca Cockerell, 1908: synonym of Triopha maculata MacFarland, 1905
• Triopha elioti O'Donoghue, 1921: synonym of Triopha catalinae (J. G. Cooper, 1863) (unaccepted > junior subjective synonym)
• Triopha grandis MacFarland, 1905: synonym of Triopha occidentalis (Fewkes, 1889)
• Triopha scrippsiana Cockerell, 1915: synonym of Triopha catalinae (J. G. Cooper, 1863) (unaccepted > junior subjective synonym)

• Bergh, L. S. R. (1880). Scientific results of the exploration of Alaska by the parties under the charge of W.H. Dall, during the years 1865-1874. On the nudibranchiate Gasteropod Mollusca of the North Pacific Ocean : with special reference to those of Alaska : second part / by Dr. Rudolph Bergh, Copenhagen

• SEM images of the radula can be found at Thompson, T.E.; Bebbington, A. (1973). "Scanning electron microscope studies of gastropod radulae". Malacologia. 14: 147–165.