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🌊 Marine Least Concern 🌡️ Deep-water

Manyray Loosejaw

Aristostomias polydactylus Regan & Trewavas, 1930
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
4.3
Depth
25–1100 m
Climate
Deep-water
Resilience
Medium
Vulnerability
28.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Manyray Loosejaw (Aristostomias polydactylus) is a ray-finned fish of the family Stomiidae. 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 25 and 1100 metres. With a trophic level of 4.3, it is an apex predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Aristostomias polydactylus
Authority
Regan & Trewavas, 1930
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
22 cm
Depth Range
25–1100 m
Latitude
57°S – 52°N
Trophic Level
4.3
Resilience
Medium
Vulnerability
28.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Stomiiformes
Stomiiformes
Family
Stomiidae
Stomiidae
Genus
Aristostomias
Aristostomias
Species
Manyray Loosejaw
Aristostomias polydactylus

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 22 - 25; Anal spines: 0; Anal soft rays: 26 - 30. Body moderately slender and elongate. Long, slender barbel bearing cylindrical bulb .

🌀 Behaviour

Behavioural data for Manyray Loosejaw is currently being reviewed.

🦐 Diet

Diet information for Manyray Loosejaw is currently being compiled.

🥚 Reproduction

Reproduction data for Manyray Loosejaw is currently being compiled.

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 25 - 1100 m . Deep-water; 52°N - 57°S, 98°W - 140°W Northwest Atlantic: Canada (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.3±0.74

📐 Morphometrics

Length–Weight Relationship: W = 0.00407 × L3.1 (TL)
Max TL
22cm
Dorsal Rays
24
Anal Rays
28

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
4.3
Apex / Top predator
Climate Zone
Deep-water
Latitude Range
52°N – 57°S
Described By
Regan & Trewavas, 1930

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Manyray Loosejaw
🌍CES pestrosvítivec mnohopaprsčitý
🇯🇵Japanese クマドリホシエソ
🇵🇹Portuguese Peixe-semáforo-espinhoso

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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