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🌊 Marine Least Concern 🌡️ Deep-water

Polymixia Longispina

Polymixia longispina Deng, Xiong & Zhan, 1983
Max Length
14.2 cm
Max Weight
Lifespan
Trophic Level
3.8
Depth
190–670 m
Climate
Deep-water
Resilience
Medium
Vulnerability
33.00/100
Typical Length
Depth Zone
deep-water

📖 Overview

Polymixia Longispina (Polymixia longispina) is a ray-finned fish of the family Polymixiidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 14.2 cm. It occurs at depths between 190 and 670 metres. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Polymixia longispina
Authority
Deng, Xiong & Zhan, 1983
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
14.2 cm
Depth Range
190–670 m
Trophic Level
3.8
Resilience
Medium
Vulnerability
33.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 5; Dorsal soft rays (total): 29 - 32; Anal spines: 4; Anal soft rays: 14 - 16; Vertebrae: 29. : fusiform / normal.

🌀 Behaviour

Behavioural data for Polymixia Longispina is currently being reviewed.

🦐 Diet

Diet information for Polymixia Longispina is currently being compiled.

🥚 Reproduction

Reproduction data for Polymixia Longispina is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 190 - 670 m . Deep-water Northeast Pacific: East China Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.8±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L3.03 (TL)
Max TL
14.2cm
Dorsal Spines
5
Dorsal Rays
31
Anal Spines
4
Anal Rays
15
Vertebrae
29

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Described By
Deng, Xiong & Zhan, 1983

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