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🌊 Marine Least Concern 🌡️ Deep-water

Deepwater sicklefin hound shark

Hemitriakis abdita Compagno & Stevens, 1993
Max Length
59.6 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
-
Climate
Deep-water
Resilience
Low
Vulnerability
37.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Deepwater sicklefin hound shark (Hemitriakis abdita), first described by Compagno & Stevens, 1993 is a large fish in the family Triakidae (order Carcharhiniformes). Adults typically reach 59.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Hemitriakis abdita
Authority
Compagno & Stevens, 1993
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
59.6 cm
Trophic Level
4.1
Resilience
Low
Vulnerability
37.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Deepwater sicklefin hound shark is currently being compiled.

🌀 Behaviour

Behavioural data for Deepwater sicklefin hound shark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Ovoviviparous

Ovoviviparous, embryos feed solely on yolk .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range ? - 225 m . Deep-water Central Pacific: Coral Sea off Queensland, Australia and from New Caledonia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.1±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00437 × L3.04 (TL)
Max TL
59.6cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2025

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
4.1
Apex / Top predator
Climate Zone
Deep-water
Described By
Compagno & Stevens, 1993

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Darksnout Houndshark · Deepwater Sicklefin Houndshark
🌍CES psohlav útesový
🇩🇪German Tiefsee-Sichelflossen-Hundshai
🇳🇱Dutch Diepwater sikkelvinvaalhaai
🇵🇹Portuguese Tubarão-de-Queensland

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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