Bathophilus vaillanti is a species of barbeled dragonfish in the genus Bathophilus. The species has been documented in the Atlantic and Pacific oceans, and fully-grown members of the species can reach a maximum length of ~18 centimeters.
Etymology
The fish is named in honor of French zoologist Léon Vaillant (1834–1914), of the Muséum national d’Histoire naturelle in Paris.