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🌊 Marine 🌡️ Deep-water

Psednos Islandicus

Psednos islandicus Chernova & Stein, 2002
Max Length
4.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
1250–1500 m
Climate
Deep-water
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Psednos Islandicus (Psednos islandicus), first described by Chernova & Stein, 2002 is a tiny fish in the family Liparidae (order Perciformes). Adults typically reach 4.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1250 to 1500 metres. It occurs in Deep-water waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Psednos islandicus
Authority
Chernova & Stein, 2002
Habitat
Marine
Climate
Deep-water
Max Length
4.6 cm
Depth Range
1250–1500 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 37; Anal soft rays: 33; Vertebrae: 43. Coronal pore present. Lower pectoral fin rays longer and thicker than upper lobe rays. Gill rakers unmodified. Coracoid half-moon shaped, helve absent. Mouth short, almost vertical, about 75° to horizontal. Skin pale, head beneath skin unpigmented .

🌀 Behaviour

Behavioural data for Psednos Islandicus 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 1250 - 1500 m . Deep-water Northeast Atlantic: south of Iceland.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.15 (TL)
Max TL
4.6cm
Dorsal Rays
37
Anal Rays
33
Vertebrae
43

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Deep-water
Described By
Chernova & Stein, 2002

🌐 Names & Taxonomy

Language Common Names
🌍CES terčovka islandská
🇫🇮Finnish islanninlipari

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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