| Family | Scientific Name | Author | Year | Common Name |
| Stomiidae | Trigonlamoa miriceps | Regan & Trewavas | 1930 | Theelight Dragonfish |
Family Stomiidae (genera Stomias and Trigonlamoa) – Dorsal fin located just anterior to caudal fin, directly above anal fin. Body covered with scale-like hexagonal pigment pattern (FAO 2002).
Trigonlamoa miriceps
Unique Characteristics: Body without scales or hexagonal scale pockets. Dorsal and anal fins located near caudal fin; dorsal adipose fin absent. Dorsal and anal-fin bases approximately equal, or anal-fin base longer than dorsal. Mouth with floor, lower jaws connected by membrane. Anal-fin base about equal to dorsal-fin base, its origin opposite to dorsal-fin origin. First mandibular tooth not piercing premaxillary. Pelvic-fin insertion near ventral midline. PO and SUO photophores absent, or PO photophore absent and SUO photophore minute; PTO photophore present, or present in males and absent in females. No line or loop of luminous tissue on each side of flank. Minute light organs scattered over skin of body. Lower jaw length about equal to upper jaw, not projecting beyond upper, and not curved upwards; pectoral fins with 3-7 rays, with none separated. Body depth greater than 10% SL; PV photophores 30 or less. A large light organ behind eye, above postorbital organ, reaching posterior edge of opercle; all teeth fixed and not depressible (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. 4099 pp. 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. 327 pp. https://doi.org/10.4060/cb0365en.