Carcharhinus leucas (Valenciennes, 1839). Bull Shark; Tiburón Toro, Madrecazón, Tiburón Sarda. Distribution: Global: Circumglobal, in tropical and subtropical waters; entering estuaries and littoral lagoons and ascending river courses; Costa Rica: LN, RF, SJ, SC, Sa, To (Atlantic) and Tr (Pacific), 0– 35 m.a.s.l., Per, Dia. Occurrence and conservation status: Nat, NT. References: Bussing (1966: 236; listed, information on distribution), Bussing (1987: 59; 1998: 51; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology), Bussing & López (1994: 16; brief description, including an illustration), Angulo et al. (2013: 989; listed, including taxonomic information and distributional data), Robertson & Allen (2015: 95; detailed description, including illustrations, information on distribution, with a map, and ecology) and Robertson & Van Tassell (2019: 95; detailed description, including illustrations, information on distribution, with a map, and ecology).

Published as part of Angulo, Arturo, 2021, New records and range extensions to the Costa Rican freshwater fish fauna, with an updated checklist, pp. 1-72 in Zootaxa 5083 (1) on page 19, DOI: 10.11646/zootaxa.5083.1.1, http://zenodo.org/record/5800630