Its specific name is an anagram of the similar species, Polymetme corythaeola.[4] It has no common name in English, but in Spanish is called luciérnaga musculosa ("muscular lightfish") and in French luisant grand feu ("gleaming [fish of] great fire").[5][6]
Description
Polymetme thaeocoryla has a dark dorsum, with silver flanks and a black pigment on the outer caudal rays. Its length is maximum 21.6 cm (8.5 in). It has 12 or 13 dorsal
soft rays, 30–34 anal soft rays, 44 or 45
vertebrae, 7 or 8
pyloric caeca and 17–19
photophores above the
anal fin.[4]
^Juan Gil Herrera (Instituto Español de Oceanografía (IEO), Centro Oceanográfico de Cádiz); Ras)), Stanislav Kobyliansky (P P. Shirshov Institute of Oceanology of the Russian Academy of Sciences (IO (February 9, 2015).
"IUCN Red List of Threatened Species: Polymetme thaeocoryla". IUCN Red List of Threatened Species.