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🌊 Marine Data Deficient 🌡️ Deep-water

Whitetail dogfish

Scymnodalatias albicauda Taniuchi & Garrick, 1986
Max Length
111 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
150–510 m
Climate
Deep-water
Resilience
Low
Vulnerability
72.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Oceanic . A rare species known only from a few specimens taken by tuna longliners and trawlers . Ovoviviparous , with at least 59 young in a litter .

Scientific Name
Scymnodalatias albicauda
Authority
Taniuchi & Garrick, 1986
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
DD
Max Length
111 cm
Depth Range
150–510 m
Trophic Level
4.1
Resilience
Low
Vulnerability
72.00/100
Migration
Oceanodromous
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0. Grey and white, mottled with large brown or black spots; tail mostly white with black tips . Dorsal fins small, pectoral fins angular, and an asymmetric caudal fin with a dark-tipped upper lobe .: elongated.

🌀 Behaviour

Behavioural data for Whitetail dogfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Ovoviviparous

Probably ovoviviparous , with at least 59 young . Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; bathypelagic; oceanodromous ; depth range 150 - 510 m . Deep-water; 42°S - 50°S Southwest Pacific: New Zealand.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
111cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
72.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Taniuchi & Garrick, 1986

🗺️ 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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View all observations for Whitetail dogfish ↗
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