Suspected microplastic colors by species for GI samples (a) and muscle samples (b). From left to right the colors are black, blue, brown, gray, green, orange, red, pink, purple, transparent/white, yellow, yellowed, and multi-colored. From top to bottom the species are Af: hardhead catfish (Ariopsis felis); Ap: sheepshead (Archosargus probatocephalus); Bt: menhaden (Brevoortia tyrannus); Cn: spotted seatrout (Cynoscion nebulosus); Es: ladyfish (Elops saurus); Hj: scaled sardine (Harengula jaguana); Lr: pinfish (Lagodon rhomboides); Lx: spot (Leiostomus xanthurus); Ob: Gulf toadfish (Opsanus beta); Oc: pigfish (Orthopristis chrysoptera); and Oo: Atlantic thread herring (Opisthonema oglinum).