Further evidence of the symbiotic acorn barnacle, Chelonibia testudinaria (Linnaeus, 1758) (Balanomorpha, Chelonibiidae) on sheepshead, Archosargus probatocephalus (Walbaum, 1792) (Perciformes, Sparidae), and in total 5 families and 2 orders of fishes (formerly superclass Pisces, now gigaclass Actinopterygii)

Common snook, Centropomus undecimalis (Bloch, 1792), with barnacle patch above gill plate caught by Captain Brook Wallace and photographed by Pete Mersch, 83.8 cm (33 in) long. Further, we have found similar photos of acorn barnacles on "red drum", I Sciaenops ocellatus i (Linnaeus, 1766) (fig. 2); a "gag grouper", I Mycteroperca microlepis i Goode & Bean, 1879 (figs. Sheepsheads eat acorn barnacles, to the extent that these barnacles are used as bait for this fish. Wild-caught sheepshead, Archosargus probatocephalus (Walbaum, 1792), with acorn barnacles attached (Ace Fishing, 2018). [Extracted from the article]