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🌊 Marine Least Concern 🌡️ Subtropical

Shortspine chimaera

Chimaera obscura Didier, Last & White, 2008
Max Length
95.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
450–1080 m
Climate
Subtropical
Resilience
Low
Vulnerability
61.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Shortspine chimaera (Chimaera obscura), first described by Didier, Last & White, 2008 is a large fish in the family Chimaeridae (order Chimaeriformes). Adults typically reach 95.10 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 450 to 1080 metres. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Chimaera obscura
Authority
Didier, Last & White, 2008
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
95.1 cm
Depth Range
450–1080 m
Trophic Level
3.7
Resilience
Low
Vulnerability
61.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished from its congeners by the following set of characters: skin thin and deciduous; color uniformly dark brownish to black; preopercular and oral lateral line canals either sharing a common branch or not; long dorsal spine, longer than first dorsal fin; structure of the CO1 gene .: elongated.

🌀 Behaviour

Behavioural data for Shortspine chimaera is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 450 - 1080 m . Subtropical Southwest Pacific: Australia.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.7±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00331 × L3.07 (TL)
Max TL
95.1cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
61.00/100
High vulnerability
Trophic Level
3.7
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Didier, Last & White, 2008

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