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🌊 Marine Data Deficient 🌡️ Subtropical

Sherwood dogfish

Scymnodalatias sherwoodi Archey, 1921
Max Length
80.3 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
-
Climate
Subtropical
Resilience
Low
Vulnerability
69.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Sherwood dogfish (Scymnodalatias sherwoodi) is a ray-finned fish of the family Somniosidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 80.3 cm. With a trophic level of 4, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Scymnodalatias sherwoodi
Authority
Archey, 1921
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
DD
Max Length
80.3 cm
Trophic Level
4
Resilience
Low
Vulnerability
69.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0. Dark brown or black with a grey blaze on the back behind the eyes . Scymnodon-like, but with no dorsal spines and the first dorsal fin slightly more posterior than in Scymnodon species; snout somewhat flattened, not bulbous, lower teeth with very high, erect or semi-erect cusps, distal blades and no serrations, first dorsal on middle of back behind pectoral fins, caudal fin asymmetrical, with a short lower lobe, fins without prominent light edges .: elongated.

🌀 Behaviour

Behavioural data for Sherwood dogfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; benthopelagic. Subtropical; 42°S - 44°S Southwest Pacific: New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
80.3cm

🌡️ 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
69.00/100
High vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Archey, 1921

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