ceruleus, Carcharias DeKay [J. E.] 1842:349, Pl. 61 (fig. 200) [Zoology of New-York; ref. 1098] New York to New Hampshire, U.S.A. No types known. •Synonym of Carcharhinus plumbeus (Nardo 1827) -- (Garrick 1982:133 [ref. 5454], Compagno 1984:493 [ref. 6846], Espinosa Pérez et al. 2004:58 [ref. 27705] as caeruleus De Kay, Voigt & Weber 2011:89 [ref. 31424], Castro 2011:453 [ref. 31457], Dyldin 2015:53 [ref. 34524]). Current status: Synonym of Carcharhinus plumbeus (Nardo 1827). Carcharhinidae. Habitat: brackish, marine.