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🌊 Marine 🌡️ Deep-water

Psednos Nemnezi

Psednos nemnezi Stein, 2012
Max Length
9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
830–960 m
Climate
Deep-water
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Overview information for Psednos Nemnezi is currently being compiled by our editorial team.

Scientific Name
Psednos nemnezi
Authority
Stein, 2012
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
9 cm
Depth Range
830–960 m
Trophic Level
3.4
Resilience
High
Vulnerability
13.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 49 - 50; Anal soft rays: 43 - 44; Vertebrae: 58 - 59. This species is distinguished by the following characters: vertebrae 58-59; pectoral fin rays 16; pyloric caeca 6-10; prominent occipital hump; mouth angle about 60°; tiny and slender premaxillary teeth, sharp canines with slight shoulders, in a narrow band of about 40 oblique rows of up to 7 teeth each; short gill opening, above pectoral and in front of 1-2 rays, its length less than 1/5 HL; opercle a broad sword-like blade extending ventrally with a shallow curve posteriorly, its tip a sharp spine reaching posterior to pectoral fin base; symphyseal pores without raised rim, small, widely separated, fragile; absent coronal pore; rays of upper and lower pectoral fin lobes free for a significant proportion of their length; abdominal cavity length behind pectoral symphysis about 20% SL, almost equal to HL .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Psednos Nemnezi is currently being reviewed.

🦐 Diet

Diet information for Psednos Nemnezi is currently being compiled.

🥚 Reproduction

Reproduction data for Psednos Nemnezi is currently being compiled.

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 830 - 960 m . Deep-water Southwest Pacific: Chatham Rise, New Zealand.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.15 (TL)
Max TL
9cm
Dorsal Rays
50
Anal Rays
44
Vertebrae
59

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Stein, 2012

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