Description
English: Hawaiian halosaur, Aldrovandia phalacra.
Date 1888
Source
Vaillant L. Expeditions Scientifiques du Travailleur et du Talisman pendant les années 1880, 1881, 1882, 1883. Poissons. – Paris, 1888. – Plate XVI, figure 1. http://www.biodiversitylibrary.org/page/13595146
Goode G. B., Bean T. H. Oceanic Ichthyology: a treatise on the deep-sea and pelagic fishes of the world, based chiefly upon the collections made by the steamers “Blake”, “Albatross”, and “Fishhawk” in the northwestern Atlantic, with an atlas containing 417 figures. — Cambridge (USA): University Press, 1896. – Plate XLI, figure 156. http://biodiversitylibrary.org/page/4330736
Author Louis Bideault (1847–1928)
Source: https://commons.wikimedia.org/wiki/File:Aldrovandia_phalacra.jpg

Aldrovandia phalacra, the Hawaiian halosaurid, is a species of ray-finned fish in the family Halosauridae. It is a circumglobal species found at bathyal depths. Aldrovandia phalacra is a deep water fish, living at depths of 500 to 2,300 metres. Its range includes the Eastern Atlantic, the Western Atlantic at similar latitudes, the coastal shelves of South Africa and Brazil, the Indian Ocean and the vicinity of Hawaii.
Order: Notacanthiformes
Family: Halosauridae
Genus: Aldrovandia
Species: Aldrovandia phalacra (Vaillant, 1888)
Synonyms:
Aldrovandia kauaiensis (Gilbert, 1905)
Halosaurichthys nigerrimus Alcock, 1898
Halosauropsis kauaiensis Gilbert, 1905
Halosauropsis verticalis Gilbert, 1905
Halosaurus phalacrus Vaillant, 1888