New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Deep-water

African ribbontail catshark

Eridacnis sinuans Smith, 1957
Max Length
37 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
180–480 m
Climate
Deep-water
Resilience
Very low
Vulnerability
27.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found on the upper continental slope and outer shelf . Feeds on small bony fishes, crustaceans and cephalopods . Ovoviviparous , with 2 young in a litter . Geographic or bathymetric segregation of populations by sex probably occurs as most specimens taken off Natal were male .

Scientific Name
Eridacnis sinuans
Authority
Smith, 1957
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
37 cm
Depth Range
180–480 m
Trophic Level
4.2
Resilience
Very low
Vulnerability
27.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. A slender, dwarf catshark with 2 equal-sized dorsal fins and a long tape-like caudal fin . Grey-brown in color .: elongated.

🌀 Behaviour

Behavioural data for African ribbontail catshark is currently being reviewed.

🦐 Diet

Diet information for African ribbontail catshark is currently being compiled.

🥚 Reproduction

🐣 Ovoviviparous

Ovoviviparous, embryos feed solely on yolk . Bears two young . Size at birth between 15 and 17 cm .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 180 - 480 m . Deep-water; 4°S - 30°S South Africa, Mozambique and Tanzania.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.2±0.58
Food Items

small bony fishes, crustaceans and cephalopods (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00282 × L3.15 (TL)
Max TL
37cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Smith, 1957

🌐 Names & Taxonomy

Language Common Names
🇬🇧English African ribbontail catshark
🌍CES pruhoun jihoafrický
🇩🇪German Afrikanischer Bandschwanz-Katzenhai
🇫🇮Finnish afrikannauhahai
🇫🇷French Requin Chat Á Rubans
🇷🇺Russian Южноафриканская ленточная акула
🇪🇸Spanish Tollo Coludo Africano

Scientific Synonyms

Scientific Name Author Year Status
Neotriakis sinuans Smith 1957 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
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for African ribbontail catshark ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.