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🌊 Marine Data Deficient 🌡️ Deep-water

Paraliparis Nigellus

Paraliparis nigellus Chernova & Møller, 2008
Max Length
13.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
1950–2107 m
Climate
Deep-water
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Paraliparis Nigellus (Paraliparis nigellus) is a ray-finned fish of the family Liparidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 13.6 cm. It occurs at depths between 1950 and 2107 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Paraliparis nigellus
Authority
Chernova & Møller, 2008
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
DD
Max Length
13.6 cm
Depth Range
1950–2107 m
Trophic Level
3.4
Resilience
High
Vulnerability
15.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 64; Anal soft rays: 59; Vertebrae: 73. This species is distinguished by the following characters: D 64, A 59, P 23-25, C 8; vertebrae 73 (12-61); pectoral radials 4 (3+1); simple and uniserial teeth except near jaw symphysis; gill opening shorter than pupil diameter; undeveloped opercular flap; head 16% SL; eye 28% of head length (HL); one symphyseal mandibular pore; pectoral fin with notch rays not rudimentary; interneural of the first dorsal-fin ray between neural spine 6 and 7; anus behind vertical through gill opening; mandible to anus distance almost equal to the length of anus to anal-fin origin; body color dark black-brown, with bluish tint, peritoneum black .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Paraliparis Nigellus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 1950 - 2107 m . Deep-water Northeast Atlantic: northern Mid-Atlantic Ridge and Azores.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.15 (TL)
Max TL
13.6cm
Dorsal Rays
64
Anal Rays
59
Vertebrae
73

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Chernova & Møller, 2008

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