Home · Gempylidae · Roudi escolar
Roudi escolar (Promethichthys prometheus) — Gempylidae

Roudi escolar

Promethichthys prometheus
Family: Gempylidae
LC · Least Concern

The Roudi escolar (Promethichthys prometheus) is a saltwater fish of the family Gempylidae that grows up to 100 cm.

Length
100 cm
Water
Saltwater
Depth
80.0–800.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Edibility
Commonly eaten

Description

The roudi escolar is a slender, copper-brown deep-water predator of the family Gempylidae (snake mackerels) reaching about 1 metre. The elongate body has a large mouth full of dagger-like teeth and, as in mackerel relatives, a row of small separate finlets behind the dorsal and anal fins. The species is widely distributed in deep water of warm seas worldwide, above the continental slope and near seamounts. At night it moves higher in the water column to hunt fish, squid and crustaceans, and by day it sinks to depth. With its oily flesh it is landed as bycatch of longline and deep-water fisheries; like other snake mackerels the flesh can have a laxative effect.

Frequently asked questions

How do you recognise the Roudi escolar?

The Roudi escolar has a torpedo-shaped body, is mainly brown and shows a plain pattern.

Where does the Roudi escolar live?

The Roudi escolar lives in the sea (marine waters) and is mostly found around open water.

How big does the Roudi escolar get?

The Roudi escolar grows to a maximum of about 100 cm. On average the species is around 40 cm.

Is the Roudi escolar dangerous to humans?

No, the Roudi escolar is harmless to humans.

Is the Roudi escolar edible?

Yes, the Roudi escolar is commonly eaten.

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →

All data

Identification

Dutch name
Roudi-slangmakreel inferred
English name
Roudi escolar verified
Scientific name
Promethichthys prometheus
Family
Gempylidae
Other names
Bermuda catfish; Conejo verified

Appearance

Size class
Extra large verified
Max length (cm)
100.0 verified
Average length (cm)
40.0 verified
Body shape
Torpedo-shaped verified
Dominant colour
Brown sourced
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No verified
Dorsal fins
Two separate sourced
Dorsal spines
Yes verified

Habitat & distribution

Water type
Saltwater verified
Substrate
Open water verified
Min depth (m)
80.0 verified
Max depth (m)
800.0 verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Social behaviour
Solitary verified
Territorial
No verified
Activity
Nocturnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
levensduur_max_jaar
11.0 sourced

For anglers

Edibility
Commonly eaten verified
Fishing method
Wordt vooral met de beroepsmatige langlijn- en diepwatervisserij gevangen; voor de hengelsport ongewoon sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

More from the family Gempylidae

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →