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🌊 Marine Least Concern 🎣 Game Fish 🌡️ Deep-water 🎣 Game Fish

Rudderfish

Centrolophus niger Gmelin, 1789
Centrolophus Niger (Centrolophus niger)
Centrolophus Niger (Centrolophus niger)
Max Length
150 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
40–1050 m
Climate
Deep-water
Resilience
Very low
Vulnerability
85.00/100
Typical Length
60 cm
Depth Zone
deep-water

📖 Overview

An oceanic, epipelagic or mesopelagic species . Juveniles occurring in surface waters and associated with pelagic medusas and salps , adults found deeper . May form small schools. Appears to feed on whatever is available, small fish, squid, large pelagic crustaceans, and other plankton .

Scientific Name
Centrolophus niger
Authority
Gmelin, 1789
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
150 cm
Depth Range
40–1050 m
Latitude
55°S – 68°N
Trophic Level
3.9
Resilience
Very low
Vulnerability
85.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 5; Dorsal soft rays (total): 37 - 41; Anal spines: 3; Anal soft rays: 20 - 24. Dark brown to black, occasionally almost bluish; median and pelvic fins darker than body; young with 2-4 vertical bars . Snout is slightly longer than the eye diameter .: fusiform / normal.

🌀 Behaviour

Behavioural data for Rudderfish 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; bathypelagic; depth range 40 - 1050 m , usually 300 - 700 m . Deep-water; 68°N - 55°S, 180°W - 180°E North Atlantic: Nova Scotia and Grand Banks (Canada) to Massachusetts, USA (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.9±0.38
🐠 Schooling
Food Items

whatever is available, small fish, squid, large pelagic crustaceans, and other plankton (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.09 (TL)
Max TL
150cm
Dorsal Spines
5
Dorsal Rays
39
Anal Spines
3
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
85.00/100
Very High vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Latitude Range
68°N – 55°S
Described By
Gmelin, 1789

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
bottom fishing popping cork soft plastics live bait
Bait & Lures
live shrimp cut mullet soft plastic paddle-tails popping corks
Recommended Tackle
  • medium-heavy 7ft spinning rod
  • 30-50 lb braid
  • fluorocarbon leader
Where to Find Them
  • grass flats
  • oyster bars
  • marsh drains
  • deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Acentrolophus maculosus Nardo 1827 Synonym
Centrolophodes irvini Gilchrist & von Bonde 1923 Synonym
Centrolophodes irwini Gilchrist & von Bonde 1923 Synonym
Centrolophus liparis Risso 1827 Synonym
Centrolophus maoricus Ogilby 1893 Synonym
Centrolophus morio Cuvier 1833 Synonym
Centrolophus pompilus Linnaeus 1758 Heterotypic
Centrolophus valenciennesi Moreau 1881 Synonym
Coryphaena pompilus Linnaeus 1758 Heterotypic
Gymnocephalus messanensis Cocco 1829 Synonym
Gymnocephalus messinensis Cocco 1829 Synonym
Mupus bifasciatus Smith 1961 Synonym
Perca nigra Gmelin 1789 Synonym
Schedophilus elongatus Johnson 1862 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 28 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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