New 🐟 2024 Mercury Safety Guide Now Available. Omega-3 Rankings Updated. View Omega-3 Rankings →

🌊 Marine 🌡️ Deep-water

Long-finned escolar

Rexea antefurcata Parin, 1989
Max Length
72.5 cm
Max Weight
Lifespan
Trophic Level
4.4
Depth
230–920 m
Climate
Deep-water
Resilience
Medium
Vulnerability
51.00/100
Typical Length
Depth Zone
deep-water

📖 Overview

Probably schooling, migrates to midwater at night. Feeds on fishes (myctophids, Maurolicus, eels, macrourids, carangids, emmelichthyids, etc.), prawn and squid; large prey items are swallowed in parts . Matures at about 25 cm standard length. No special fishery but appears as a bycatch of deep-water prawn trawl fishery in New South Wales, Australia.

Scientific Name
Rexea antefurcata
Authority
Parin, 1989
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
72.5 cm
Depth Range
230–920 m
Trophic Level
4.4
Resilience
Medium
Vulnerability
51.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Scombriformes
Scombriformes
Family
Gempylidae
Gempylidae
Genus
Rexea
Rexea
Species
Long-finned escolar
Rexea antefurcata

🐟 Physical Description

Dorsal spines (total): 19 - 20; Dorsal soft rays (total): 15 - 17; Anal spines: 2; Anal soft rays: 12 - 14; Vertebrae: 34. Most of the body is naked except for the wedge-shaped stripe of squamation extending forward from the caudal peduncle along the horizontal part of the lower lateral line and a few scales along the posterior part of the upper lateral line. Pyloric caeca 8 to 10. Pelvic fins entirely absent at over 25 cm SL. Body color is grayish or brownish with metallic tint; fins blackish or gray.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Long-finned escolar is currently being reviewed.

🦐 Diet

Diet information for Long-finned escolar is currently being compiled.

🥚 Reproduction

Reproduction data for Long-finned escolar is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 230 - 920 m . Deep-water; 13°S - 40°S, 143°E - 83°W Southeast Pacific: seamounts of Nazca and Sala y Gomez Ridges and at Easter Island.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.4±0.74
🐠 Schooling
Food Items

fishes (myctophids, Maurolicus, eels, macrourids, carangids, emmelichthyids, etc

📐 Morphometrics

Length–Weight Relationship: W = 0.00363 × L3.11 (TL)
Max TL
72.5cm
Dorsal Spines
20
Dorsal Rays
16
Anal Spines
2
Anal Rays
13
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
4.4
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Parin, 1989

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 40 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet — be the first to log one!

View all observations for Long-finned escolar ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.