Figure 9. Corals from the subclass Hexacorallia (A) occur throughout the study area, whereas corals from subclass Octocorallia (B) appear to be concentrated off the northern United States.  The lack of octocoral data off the southern United States is the result of less research in this region and lack of entries in this database rather than a reflection of the actual distribution of octocorals (see text for further explanation).

[Download full-sized image of Figure 9A in PDF format, 853 KB, and Figure 9B, 870 KB.]