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🌊 Marine 🌡️ Deep-water

Bengal escolar

Rexea bengalensis Alcock, 1894
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
4.5
Depth
143–820 m
Climate
Deep-water
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Bengal escolar (Rexea bengalensis) is a ray-finned fish of the family Gempylidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 22 cm. It occurs at depths between 143 and 820 metres. With a trophic level of 4.5, it is an apex predator.

Scientific Name
Rexea bengalensis
Authority
Alcock, 1894
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
22 cm
Depth Range
143–820 m
Latitude
27°S – 34°N
Trophic Level
4.5
Resilience
High
Vulnerability
23.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 19 - 20; Dorsal soft rays (total): 14 - 16; Anal spines: 2; Anal soft rays: 11 - 13; Vertebrae: 34. Spinescent gill rakers with 3 or 4 cusps. Lateral line branching from below the 5th to before the 6th spine of the first dorsal fin; the upper lateral line reaching at least to the end of the soft dorsal fin base.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Bengal escolar is currently being reviewed.

🦐 Diet

Diet information for Bengal escolar is currently being compiled.

🥚 Reproduction

Reproduction data for Bengal escolar is currently being compiled.

🌍 Habitat & Distribution

Marine; brackish; benthopelagic; depth range 143 - 820 m . Deep-water; 34°N - 27°S, 40°E - 155°E West Pacific: Mozambique Channel, Saya de Malha Bank, Maldives Islands, India, Sri Lanka, Arafura and Java seas, Makassar Strait, northwestern and northeastern Australia and southern Japan (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🌑 Deep Water
Trophic Level
4.5±0.37

📐 Morphometrics

Length–Weight Relationship: W = 0.00363 × L3.11 (TL)
Max TL
22cm
Dorsal Spines
20
Dorsal Rays
15
Anal Spines
2
Anal Rays
12
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
34°N – 27°S
Described By
Alcock, 1894

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Bengal escolar · small gemfish
🇫🇷French Escolier bengalais · Petit escolier

Scientific Synonyms

Scientific Name Author Year Status
Thyrsites bengalensis Alcock 1894 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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