Table 5.

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

family	dopamine	l-DOPA	hydroquinone
Sphenopidae	ab	cde	abc
Alcyoniidae	ab	cde	bc
Euphyllidae	a	abc	a
Pocilloporidae	a	a	a
Acroporidae	a	ab	ab
Poritidae	b	bcd	bc
Merulinidae	bc	cde	abc
Fungiidae	bc	de	abe
Faviidae	bc	de	abc
Mussidae	bc	de	cd
Oculinidae	c	e	d