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🌊 Marine 🌡️ Deep-water

Norman's smooth-head

Mirognathus normani Parr, 1951
Max Length
20 cm
Max Weight
Lifespan
Trophic Level
3.4
Depth
1500–3000 m
Climate
Deep-water
Resilience
Medium
Vulnerability
34.00/100
Typical Length
Depth Zone
deep-water

📖 Overview

Norman's smooth-head (Mirognathus normani) is a ray-finned fish of the family Alepocephalidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 20 cm. It occurs at depths between 1500 and 3000 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Mirognathus normani
Authority
Parr, 1951
Habitat
Marine
Climate
Deep-water
Max Length
20 cm
Depth Range
1500–3000 m
Latitude
55°S – 65°N
Trophic Level
3.4
Resilience
Medium
Vulnerability
34.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Norman's smooth-head is currently being compiled.

🌀 Behaviour

Behavioural data for Norman's smooth-head is currently being reviewed.

🦐 Diet

Diet information for Norman's smooth-head is currently being compiled.

🥚 Reproduction

Reproduction data for Norman's smooth-head is currently being compiled.

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 1500 - 3000 m . Deep-water; 65°N - 55°S Northeast Atlantic: southwest of Iceland and off northern Portugal.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.00339 × L3.19 (TL)
Max TL
20cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Deep-water
Latitude Range
65°N – 55°S
Described By
Parr, 1951

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Beaked Slickhead · Norman's smooth-head
🌍CES uzlatka Normanova
🇫🇮Finnish sinikeltasilopää
🇷🇺Russian Мирогнат Нормана

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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