Promethichthys prometheus

BéarlaBody moderately elongate. Mouth with fang-like teeth. Spinescent gill rakers on the first arch with 1 - 3 cusps and many small spines; the angular raker long and triple-rooted. Body entirely scaled at over 20 - 25 cm SL. Pyloric caeca 7 or 8. Color is grayish to copper brown; fins blackish at over 40 cm SL, yellowish with black tips in smaller specimens (the first dorsal fin with a black blotch on two anteriormost membranes); the buccal and branchial cavities are black. Pelvic fin reduced to one spine that becomes entirely absent in specimens more than 40 cm SL.

• Promethycthus prometheus (Cuvier, 1832)
• Prometichthys prometeus (Cuvier, 1832)
• Prometheus atlanticus Lowe, 1838
• Gempylus prometheus Cuvier, 1832
• Promethychthis prometheus (Cuvier, 1832)
• Prometichthys prometheus (Cuvier, 1832)
• Promethichthys solandri Jordan, Evermann & Tanaka, 1927
• Promethichthys pacificus Seale, 1906
• Dicrotus parvipinnis Goode & Bean, 1896
• Dicrotus armatus Günther, 1860
• Thyrsites prometheus (Cuvier, 1832)
• Promethycthus prometeus (Cuvier, 1832)
• Thyrsites ballieui Sauvage, 1882