Table 4.

A summary table of Tukey's HSD post hoc comparisons for PO activities for three substrates. (Letters a–f denote families of similar PO activity; statistical differences in activity (p < 0.05) separate letters. There was no significant difference among family tyramine.)

family	dopamine	l-DOPA	hydroquinone
Sphenopidae	bcd	abcd	ab
Alcyoniidae	abc	abc	ab
Euphyllidae	a	ab	a
Pocilloporidae	ab	a	a
Acroporidae	a	a	a
Poritidae	de	abcde	ab
Merulinidae	cd	cde	ab
Fungiidae	cd	bcde	ab
Faviidae	cd	def	b
Mussidae	cd	e	ab
Oculinidae	e	f	c