azureus, Carcharias Gilbert [C. H.] & Starks [E. C.] 1904:11, Pl. 2 (fig. 5) [Memoirs of the California Academy of Sciences v. 4; ref. 1639] Panama. Holotype: CAS-SU 11890. Paratypes: (2) BMNH 1903.5.15.338 (1) Panama. Type catalog: Böhlke 1953:9 [ref. 12291]. •Synonym of Carcharhinus leucas (Valenciennes or Müller & Henle 1839) -- (Lee et al. 1980:36 [ref. 22416], Garrick 1982:81 [ref. 5454], Compagno 1984:478 [ref. 6846], Castro-Aguirre et al. 1999:49 [ref. 24550], Carvalho & McEachran in Reis et al. 2003:14 [ref. 27061], Espinosa Pérez et al. 2004:54 [ref. 27705], Voigt & Weber 2011:72 [ref. 31424], Castro 2011:426 [ref. 31457], Kottelat 2013:21 [ref. 32989], Del Moral-Flores et al. 2016:92 [ref. 34398], Jouladeh-Roudbar et al. 2020:7 [ref. 37983]). Current status: Synonym of Carcharhinus leucas (Valenciennes 1839). Carcharhinidae. Habitat: freshwater, brackish, marine.