This record of Promethichthys prometheus is based on a series of photographs taken of a specimen caught in very deep water by handline off Fuah Mulaku on the nights of January 3rd and 4th, 1987.
Details
§ 01
size
Max. 1 m (standard length)
color
Dark brown with violet reflections, fading to dull brown after death. First dorsal fin membrane black, other fins blackish brown.
This species is found in both oceanic and benthopelagic habitats, typically at depths ranging from 100 to 750 meters. It is a nocturnal creature that feeds on a wide array of fishes, crustaceans, and cephalopods.
distinctive characters
The first dorsal fin has 17-18 spines, the second dorsal fin has 1 spine, 17-20 rays, and is followed by two finlets. The anal fin has two compressed spines, 15-17 rays, and two finlets, and is similar in shape and size to the second dorsal fin. The pectoral rays are approximately 15, and there is a single lateral line that curves sharply down between the fourth and seventh dorsal spines.