Arius hassleriana

Ricardo Betancur-R. & Arturo Acero P., 2004, Description of Notarius biffi n. sp. and redescription of N. insculptus (Jordan and Gilbert) (Siluriformes: Ariidae) from the eastern Pacific, with evidence of monophyly and limits of Notarius., Zootaxa 703, pp. 1-20 : 18

MCZ 33213, three pictures of head and body, Golfo de Panamá, PA, holotype of A. hassleriana ;