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🌊 Marine Data Deficient 🌡️ Deep-water

Mud catshark

Bythaelurus lutarius Aubrey, 1972
Max Length
34 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
338–766 m
Climate
Deep-water
Resilience
Very low
Vulnerability
23.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found on the continental slope on or just above muddy substrates . Feeds on cephalopods, small bony fishes, and crustaceans . Probably caught with bottom trawls .

Scientific Name
Bythaelurus lutarius
Authority
Aubrey, 1972
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
DD
Max Length
34 cm
Depth Range
338–766 m
Latitude
29°S – 13°N
Trophic Level
4.2
Resilience
Very low
Vulnerability
23.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. A slender, dwarf catshark with a moderately long snout and short labial furrows; caudal fin without crest of enlarged denticles . Dull grey-brown, paler ventrally, with few poorly defined dorsal saddles that may be visible .: elongated.

🌀 Behaviour

Behavioural data for Mud catshark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Ovoviviparous

Ovoviviparous, with 2 pups per litter .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 338 - 766 m . Deep-water; 13°N - 29°S Indian Ocean: off Mozambique and Somalia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.2±0.56
Food Items

cephalopods, small bony fishes, and crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00347 × L3.09 (TL)
Max TL
34cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
13°N – 29°S
Described By
Aubrey, 1972

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Halaelurus lutarius Springer & D'Aubrey 1972 Synonym

🗺️ 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
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