New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Temperate

Krefft's ray

Malacoraja kreffti Stehmann, 1978
Max Length
70 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
1000–1500 m
Climate
Temperate
Resilience
Low
Vulnerability
50.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Krefft's ray (Malacoraja kreffti), first described by Stehmann, 1978 is a large fish in the family Rajidae (order Rajiformes). Adults typically reach 70.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1000 to 1500 metres. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Malacoraja kreffti
Authority
Stehmann, 1978
Habitat
Marine
Climate
Temperate
IUCN Status
LC
Max Length
70 cm
Depth Range
1000–1500 m
Trophic Level
3.7
Resilience
Low
Vulnerability
50.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Krefft's ray is currently being compiled.

🌀 Behaviour

Behavioural data for Krefft's ray is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, paired eggs are laid. Embryos feed solely on yolk .

🌍 Habitat & Distribution

Marine; demersal; depth range 1000 - 1500 m . Temperate; 62°N - Northeast Atlantic: one specimen from north-western slope of Bill Bailey's Bank (61°08'N, 11°26'W).

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.24 (TL)
Max TL
70cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
50.00/100
Moderate-High vulnerability
Trophic Level
3.7
Predator
Climate Zone
Temperate
Described By
Stehmann, 1978

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Krefft's ray ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.