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🌊 Marine 🌡️ Deep-water

Malacocephalus Boretzi

Malacocephalus boretzi Sazonov, 1985
Max Length
47 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
270–290 m
Climate
Deep-water
Resilience
Low
Vulnerability
61.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Malacocephalus Boretzi (Malacocephalus boretzi) is a ray-finned fish of the family Macrouridae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 47 cm. It occurs at depths between 270 and 290 metres. With a trophic level of 3.8, it is a mid-level predator.

Scientific Name
Malacocephalus boretzi
Authority
Sazonov, 1985
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
47 cm
Depth Range
270–290 m
Trophic Level
3.8
Resilience
Low
Vulnerability
61.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 9 - 11; Anal soft rays: 17 - 20. Pectoral fin long. Teeth small, conical, numerous, with fang-shaped teeth on dentary. Luminous organ a small roundish anterior leathery lens, located in a deep pit . Few rows of scales separated from periproct and scale covered skin within the limits of periproct which is not separated from the latter by processes. Luminous gland with about 10 muscular cords located on its dorsal surface. Abdominal vertebrae 12-13 .: elongated.

🌀 Behaviour

Behavioural data for Malacocephalus Boretzi 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; benthopelagic; depth range 270 - 290 m . Deep-water Northwest Pacific (Ref.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.00219 × L3.2 (TL)
Max TL
47cm
Dorsal Spines
2
Dorsal Rays
10
Anal Rays
19

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
61.00/100
High vulnerability
Trophic Level
3.8
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Sazonov, 1985

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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