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🌊 Marine Least Concern 🌡️ Deep-water

Broadbanded lanternshark

Etmopterus gracilispinis Krefft, 1968
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
4.3
Depth
25–1200 m
Climate
Deep-water
Resilience
Very low
Vulnerability
44.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found on outer continental shelves and upper slopes on or near the bottom at depths of 100 to 1,000 m; also pelagic at depths of 70 to 480 m over water 2,240 m deep off Argentina . Feeds on bony fish, octopus, squid and deep-water shrimp . Ovoviviparous .

Scientific Name
Etmopterus gracilispinis
Authority
Krefft, 1968
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
35 cm
Depth Range
25–1200 m
Latitude
45°S – 40°N
Trophic Level
4.3
Resilience
Very low
Vulnerability
44.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 2; Anal spines: 0. A stout lanternshark with a short tail and small conical denticles, not forming conspicuous lines along the body . Brown above, becoming black ventrally with inconspicuous, elongated, broad black marks along the caudal fin and at its base .: elongated.

🌀 Behaviour

Behavioural data for Broadbanded 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 . Pups born with 13 cm length.

🌍 Habitat & Distribution

Marine; pelagic-oceanic; depth range 25 - 1200 m . Deep-water; 40°N - 45°S Southeast Atlantic: off the eastern Cape and northern Natal in South Africa (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water 🐟 Pelagic
Trophic Level
4.3±0.56
Food Items

bony fish, octopus, squid and deep-water shrimp (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.08 (TL)
Max TL
35cm
Dorsal Spines
2

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
44.00/100
Moderate vulnerability
Trophic Level
4.3
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
40°N – 45°S
Described By
Krefft, 1968

👥 Community & Contribute

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