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🌊 Marine Least Concern 🌡️ Deep-water

Beardfish

Polymixia lowei Günther, 1859
Max Length
29.4 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
50–600 m
Climate
Deep-water
Resilience
Medium
Vulnerability
42.00/100
Typical Length
15 cm
Depth Zone
deep-water

📖 Overview

Beardfish (Polymixia lowei), first described by Günther, 1859 is a medium-sized fish in the family Polymixiidae (order Polymixiiformes). Adults typically reach 29.40 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 50 to 600 metres. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Polymixia lowei
Authority
Günther, 1859
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
29.4 cm
Depth Range
50–600 m
Trophic Level
4
Resilience
Medium
Vulnerability
42.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 5; Dorsal soft rays (total): 26 - 32; Anal spines: 4; Anal soft rays: 15; Vertebrae: 29 - 30. Tip of snout projecting beyond upper jaw . Body elongate. Head blunt and rounded. Head and body bluish gray . Body with metallic blue shin above, silvery below .: fusiform / normal.

🌀 Behaviour

Behavioural data for Beardfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 50 - 600 m , usually 150 - 600 m . Deep-water; 41°N - 4°N

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.04 (TL)
Max TL
29.4cm
Dorsal Spines
5
Dorsal Rays
29
Anal Spines
4
Anal Rays
15
Vertebrae
30

🌡️ 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
42.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Described By
Günther, 1859

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Beardfish · Barbudo
🌍CES vousatka západoatlantská
🇫🇷French Poisson chèvre
🇯🇵Japanese Toumaru-ginme · トウマルギンメ
🇷🇺Russian Западноатлантическая полимиксия
🇪🇸Spanish Chivato · barbudo · barbudo de lo alto · cola de maguey

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 37 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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