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Promethichthys prometheus  (Cuvier, 1832)

Roudi escolar
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Promethichthys prometheus   AquaMaps   Data sources: GBIF OBIS
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Image of Promethichthys prometheus (Roudi escolar)
Promethichthys prometheus
Picture by Cambraia Duarte, P.M.N. (c)ImagDOP


Australia country information

Common names: Single-line gemfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Nakamura, I. and N.V. Parin, 1993
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Gempylidae (Snake mackerels)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 100.0 cm SL male/unsexed; (Ref. 6181); common length : 40.0 cm SL male/unsexed; (Ref. 3403)

Length at first maturity
Lm 47.4  range ? - ? cm

Environment

Marine; benthopelagic; oceanodromous (Ref. 51243); depth range 80 - 800 m (Ref. 2683), usually 300 - 400 m (Ref. 5217)

Climate / Range

Subtropical; 50°N - 36°S, 180°W - 180°E

Distribution

Tropical and warm temperate waters of all oceans, but absent from eastern Pacific except at Sala y Gomez Ridge.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 18 - 20; Dorsal soft rays (total): 17-20; Anal spines: 2-3; Anal soft rays: 15 - 17. Body 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.

Biology     Glossary (e.g. epibenthic)

Found at continental slopes, around oceanic islands and submarine rises (Ref. 6181). Meso-benthopelagic (Ref. 58302). Migrate to midwater at night (Ref. 6181). Feed on fish, cephalopods and crustaceans (Ref. 6181). Eggs and larvae are pelagic (Ref. 6766).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Reports of ciguatera poisoning (Ref. 31637)



Human uses

Fisheries: subsistence fisheries; gamefish: yes; bait: usually

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.2   ±0.57 se; Based on food items.

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.17-0.18; tm=4)

Vulnerability (Ref. 59153)
High vulnerability (57 of 100)
Price category (Ref. 80766)
Unknown