Systematics of the family Ariidae (Ostariophysi, Siluriformes), with a redefinition of the genera. Author Alexandre P. Marceniuk Author Naércio A. Menezes text Zootaxa 2007 1416 1 126 http://www.zoobank.org/urn:lsid:zoobank.org:pub:FFC65592-D8DB-41BE-AEAC-A41EAB6C6185 journal article z01416p001 Carlarius gigas (Boulenger, 1911) Arius gigas Boulenger, 1911: 386, fig. 298. Type locality: Lokoja, Upper Niger River , Nigeria . Holotype : BMNH 1904.1.20.41 . Distribution: Niger River. Countries: Nigeria. Habitat: Freshwaters. Maximum size: 1.500 mm TL.