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🌊 Marine Least Concern 🌡️ Deep-water

New Zealand catshark

Bythaelurus dawsoni Springer, 1971
Max Length
45 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
50–1200 m
Climate
Deep-water
Resilience
Low
Vulnerability
25.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

New Zealand catshark (Bythaelurus dawsoni) is a ray-finned fish of the family Scyliorhinidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 45 cm. It occurs at depths between 50 and 1200 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Bythaelurus dawsoni
Authority
Springer, 1971
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
45 cm
Depth Range
50–1200 m
Trophic Level
3.4
Resilience
Low
Vulnerability
25.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for New Zealand catshark is currently being compiled.

🌀 Behaviour

Behavioural data for New Zealand catshark is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Ovoviviparous

Ovoviviparous, young are born at less than 20 cm .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 50 - 1200 m . Deep-water; 44°S - 53°S Southwest Pacific: endemic to New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.53
Food Items

bottom crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00347 × L3.09 (TL)
Max TL
45cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Deep-water
Described By
Springer, 1971

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Dawson's Catshark · New Zealand Catshark
🇸🇦Arabic قِرش قِطّزيلاندا الجديدة
🌍CES máčka Dawsonova
🇩🇰Danish Newzealandsk rødhaj
🇩🇪German Neuseeländischer Katzenhai
🇫🇷French Holbiche kiwi
🇮🇹Italian Gattuccio della Nuova Zelanda
🇯🇵Japanese ミナミナガサキトラザメ
🇳🇱Dutch Niew-zeelandse kathaai
🇵🇹Portuguese Tubarão-gato-kiwi
🇷🇺Russian Новозеландская пятнистая акула
🇪🇸Spanish Pejegato neozelandés

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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