English: Figure 2: Non-native and potentially non-native invertebrate species observed and collected on the wrecks off the Florida Keys.

(A) Orange tube coral Tubastraea coccinea (left) and solitary adult specimen of the vermetid gastropod Thylacodes vandyensis n. sp. (arrow); Vandenberg wreck, photographed with artificial light at about 29 m depth on the side of the ship’s superstructure, September 2016; diameter of vermetid tube opening approximately 5.0 mm. (B) Interior shell view of gryphaeid oyster Hyotissa hyotis; first record from the Spiegel Grove wreck, from hull in 31 m (FMNH 335064; August 2012; greatest valve diameter 150.0 mm). (C) Small cluster of gryphaeid oyster Hyotissa mcgintyi; the most abundant bivalve on the Vandenberg wreck in about 29 m depth, serving as substratum for many other species of the fouling community (FMNH 344618; September 2016; greatest valve diameter of opened specimen 50.0 mm). (D) Specimen of the cap-shaped amathinid gastropod Cyclothyca pacei near the rim of the lower valve of an Atlantic thorny oyster, Spondylus americanus, from the Thunderbolt wreck, from 29–37 m depth, August 2003; photographed alive (note black periostracum on the white shell) after brushing off red encrusting sponge; length of gastropod shell, 11.5 mm (FMNH 301979).