| Family | Scientific Name | Author | Year | Common Name |
| Myctophidae | Notolychnus valdiviae | (Brauer) | 1904 | Topside Lanternfish |
Notolychnus valdiviae
Unique Characteristics: Two Prc photophores. Four photophores (VLO, SAO3, Pol, Prc2) well above the midlateral line. Specimens usually skinned and photophores often lost; small species, never over 2.5 cm. Single SCO in both males and females; ICO absent in both sexes; dorsal photophores robust, with obvious black rim (FAO 2002; FAO 2020).
Similar Species: None
References:
(FAO 2002). The living marine resources of the Western Central Atlantic. Volumes 1-3. K.E. Carpenter (ed.). Food and Agriculture Organization of the United Nations, Rome, Italy. 4099p. (Available at: http://www.fao.org/3/y4160e/y4160e00.htm).
(FAO 2020) Sutton, T.T., P.A. Hulley, R. Wienerroither, D. Zaera-Perez, and J.R. Paxton. 2020. Identification guide to the mesopelagic fishes of the central and south east Atlantic Ocean. FAO Species Identification Guide for Fishery Purposes. Rome, FAO. 2020. https://doi.org/10.4060/cb0365en.