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🌊 Marine Least Concern 🌡️ Temperate

Tusk

Dannevigia tusca Whitley, 1941
Max Length
56 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
115–400 m
Climate
Temperate
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
-

📖 Overview

A benthic species found on the continental slope . Common species . Oviparous, with oval pelagic eggs floating in a gelatinous mass . Minimum depth reported from Ref. 34024.

Scientific Name
Dannevigia tusca
Authority
Whitley, 1941
Habitat
Marine
Climate
Temperate
IUCN Status
LC
Max Length
56 cm
Depth Range
115–400 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
43.00/100
Salinity
30–40 ppt

🐟 Physical Description

Body robust, deepest over pectoral fins; several short, weak, concealed spines at lower angle of preopercle; spine on opercle barely if at all reaching beyond rear margin of head; eyes well developed; adults with no dark spots on body or fins; pelvic fin bases close together, inserting under rear margin of eye. Small specimens with 4 rather diffuse broad vertical brown bands on body; adults uniformly brown .

🌀 Behaviour

Behavioural data for Tusk is currently being reviewed.

🦐 Diet

Diet information for Tusk is currently being compiled.

🥚 Reproduction

Reproduction data for Tusk is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 115 - 400 m . Temperate Indian Ocean: Great Australian Bight, straying to Bass Straits (Australia).

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.7±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0011 × L3.08 (TL)
Max TL
56cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
43.00/100
Moderate vulnerability
Trophic Level
3.7
Predator
Climate Zone
Temperate
Described By
Whitley, 1941

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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