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🌊 Marine Near Threatened ⚡ Other 🌡️ Subtropical

Natal electric ray

Heteronarce garmani Regan, 1921
Max Length
25 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
73–329 m
Climate
Subtropical
Resilience
Low
Vulnerability
13.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found on the outer shelf and upper slope . Life history unknown. Males reaches maturity at ca. 17 cm TL .

Scientific Name
Heteronarce garmani
Authority
Regan, 1921
Habitat
Marine
Climate
Subtropical
Body Shape
Other
IUCN Status
NT
Max Length
25 cm
Depth Range
73–329 m
Trophic Level
3.2
Resilience
Low
Vulnerability
13.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Small ray with an elongated, narrow disc and a small, narrow caudal fin . Plain brown above, white below .: other.

🌀 Behaviour

Behavioural data for Natal electric ray 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; demersal; depth range 73 - 329 m . Subtropical; 20°S - 35°S, 27°E - 37°E South Africa (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3.04 (TL)
Max TL
25cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Other
Climate Zone
Subtropical
Described By
Regan, 1921

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Natal electric ray · Natal Sleeper Ray
🌍AFR Natal Drilvis
🌍CES narcina Garmanova
🇫🇮Finnish hoikkatorkkurausku
🇷🇺Russian Гетеронарка Гармана

Scientific Synonyms

Scientific Name Author Year Status
Heteronarce regani von Bonde & Swart 1923 Synonym
Narcine natalensis Fowler 1925 Synonym

🗺️ 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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