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🌊 Marine Least Concern 🌡️ Deep-water

Thorny lanternshark

Etmopterus sentosus Aubrey & Kistnasamy, 1976
Max Length
27 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
200–500 m
Climate
Deep-water
Resilience
Low
Vulnerability
38.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found on the upper slope, on or near the bottom . Length recorded is from an immature specimen; size of adults unknown . Ovoviviparous .

Scientific Name
Etmopterus sentosus
Authority
Aubrey & Kistnasamy, 1976
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
27 cm
Depth Range
200–500 m
Trophic Level
4
Resilience
Low
Vulnerability
38.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 2; Anal spines: 0. A slim lanternshark with 2 longitudinal rows of greatly enlarged, hooked denticles along the flanks; other denticles small, conical and not arranged in lines . Grayish black above, underside black with an elongated broad black mark above, in front of and behind the pelvic fins; other elongated black marks at base and along axis of caudal fin .: elongated.

🌀 Behaviour

Behavioural data for Thorny lanternshark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 200 - 500 m . Deep-water; 0°S - 31°S, 30°E - 51°E South Africa, including Madagascar (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.08 (TL)
Max TL
27cm
Dorsal Spines
2

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Aubrey & Kistnasamy, 1976

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