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🌊 Marine Data Deficient 🌡️ Deep-water

Eastern Pacific black chimaera

Chimaera orientalis Angulo, López, Bussing & Murase, 2014
Max Length
17.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
560–1138 m
Climate
Deep-water
Resilience
Low
Vulnerability
23.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Eastern Pacific black chimaera (Chimaera orientalis), first described by Angulo, López, Bussing & Murase, 2014 is a medium-sized fish in the family Chimaeridae (order Chimaeriformes). Adults typically reach 17.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 560 to 1138 metres. It occurs in Deep-water 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 Data Deficient.

Scientific Name
Chimaera orientalis
Authority
Angulo, López, Bussing & Murase, 2014
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
DD
Max Length
17.6 cm
Depth Range
560–1138 m
Trophic Level
3.4
Resilience
Low
Vulnerability
23.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished from its congeners by having an anal fin; also by the following set of characters: the oral and preopercular canals share a short common branch off the infraorbital canal; long dorsal spine (DSA 28.4-31.0% BDL), longer than first dorsal fin, when depressed reaches beyond to origin of second dorsal fin; first dorsal fin is high (D1H 20.8-26.7% BDL) with a short base (D1B 10.3-12.5% BDL); long interdorsal space (IDS 8.1-10.2% BDL); long pectoral fin (P1A 40.0-43.5% BDL), when depressed reaches beyond origin of pelvic fin base; long pelvic claspers (CLT 17.5-17.7% BDL), bifurcate, divided at about distal 40.9-43.1% of its length; long dorsal caudal space (DCS 2.0-2.5% BDL); ventral caudal margin ending slightly posterior to dorsal caudal margin; coloration dark brown with ventral portion of the trunk and all fins slightly darker, without distinctive markings or mottling .: elongated.

🌀 Behaviour

Behavioural data for Eastern Pacific black 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 560 - 1138 m . Deep-water distributed in the eastern Pacifc region.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00331 × L3.07 (TL)
Max TL
17.6cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Angulo, López, Bussing & Murase, 2014

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