Lampadena anomala

Lampadena anomala, Anomalous Lanternfish. Source: Parr 1928.
Lampadena anomala, Anomalous Lanternfish. Source: Parr 1928.
Lampadena anomala, Anomalous Lanternfish. Source: FAO 2020.
Lampadena anomala, Anomalous Lanternfish. Source: FAO 2020.
FamilyScientific NameAuthorYearCommon Name
MyctophidaeLampadena anomalaParr1928Anomalous Lanternfish

All Lampadena Species: Three or more Prc (1 may be at or above lateral midline at base of caudal peduncle). Dn absent. Supra- and infracaudal glands single organs bordered by heavy jet-black pigment. No large white crescent on posterior half of eye; dorsal-fin origin over or slightly in front of pelvic fin; 3 SAO (FAO 2002).

Lampadena sp., Lanternfish. Source: FAO 2002.
Lampadena sp., Lanternfish. Source: FAO 2002.

Lampadena anomala

Unique Characteristics: All PO approximately level. VO plus SAO = 5-6; 3-4 AOa; SCO and ICO weakly developed with moderate amount of black border, flat in cross-section; body soft (FAO 2020).

Similar Species:

Lampadena chavesi, Long-gland Lanternfish

Lampadena chavesi, Long-gland Lanternfish. Source: FAO 2020.
Lampadena chavesi, Long-gland Lanternfish. Source: FAO 2020.

Long-gland Lanternfish, Lampadena chavesi. All PO approximately level. VO plus SAO = 7-9; 5-7 AOa; SCO and ICO well developed with heavy black border, deep in cross-section, body firm.Prc1-Prc2 interspace equal to, or more than, 3 times diameter of photophore of this series. Photophores smaller than in other species of the genus (FAO 2020).

Lampadena luminosa, Luminous Lanternfish

Lampadena luminosa, Luminous Lanternfish. Source: FAO 2020.
Lampadena luminosa, Luminous Lanternfish. Source: FAO 2020.

Luminous Lanternfish, Lampadena luminosa. PO4 highly elevated and anteriorly displaced towards vertical through PO3 (FAO 2020).

Lampadena speculigera, Mirror Lanternfish

Lampadena speculigera, Mirror Lanternfish. Source: Goode & Bean 1896.
Lampadena speculigera, Mirror Lanternfish. Source: Goode & Bean 1896.
Lampadena speculigera, Mirror Lanternfish. Source: FAO 2020.
Lampadena speculigera, Mirror Lanternfish. Source: FAO 2020.

Mirror Lanternfish, Lampadena speculigera. All PO approximately level. VO plus SAO = 7-9; 5-7 AOa; SCO and ICO well developed with heavy black border, deep in cross-section, body firm. Prc1-Prc2 interspace much less than 3 times diameter of photophore of this series (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.

Goode, G.B. and T.H. Bean. 1896. 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 Fish Hawk in the northwestern Atlantic, with an atlas containing 417 figures. Smithsonian Institution, United States National Museum, Special Bulletin. No. 30.

Parr, A. E. 1928. Deepsea fishes of the order Iniomi from the waters around the Bahama and Bermuda islands. With annotated keys to the Sudididae, Myctophidae, Scopelarchidae, Evermannellidae, Omosudidae, Cetomimidae and Rondeletidae of the world. (Scientific results of the third oceanographic expedition of the “Pawnee” 1927). Bulletin of the Bingham Oceanographic Collection Yale University Volume 3 (Article 3): 1-193.