| Family | Scientific Name | Author | Year | Common Name |
| Myctophidae | Notoscopelus caudispinosus | (Johnson) | 1863 | Spinetail Lanternfish |
All Notoscopelus Species: Three or more Prc (1 may be at or above lateral midline at base of caudal peduncle). Dn present; 2 horizontal Pol near lateral line; VO1-5 level. Both supra- and infracaudal glands present in both sexes (FAO 2002).
Notoscopelus caudispinosus
Unique Characteristics: Gill rakers 4 + 1 + 9 (rarely 8 or 10), total 14 (rarely 13 or 15); AO 7 (6-8) + 4 (3-5), total 11 (10-12); enlarged teeth on rear half of lower jaw. SCO present in adult males. Occasional specimens with 3 Pol in straight line (FAO 2020).
Similar Species:
Notoscopelus resplendens, Patchwork Lampfish
Patchwork Lampfish, Notoscopelus resplendens. Total gill rakers more than 18; total AO 13-17 (rarely 12); no enlarged teeth on rear half of lower jaw. SCO present in adult males. Occasional specimens with 3 Pol in straight line (FAO 2020).
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.