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🌊 Marine Endangered 🎣 Game Fish 🌡️ Subtropical 🎣 Game Fish

Seventyfour seabream

Polysteganus undulosus Regan, 1908
Max Length
120 cm
Max Weight
16.0 kg
Lifespan
-
Trophic Level
4.1
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
57.00/100
Typical Length
80 cm
Depth Zone
reef

📖 Overview

Found over rocky reef and banks of deep waters. Carnivorous species which feeds mainly on fish and squid . An excellent food fish. Sold fresh.

Scientific Name
Polysteganus undulosus
Authority
Regan, 1908
Habitat
Marine
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
EN
Max Length
120 cm
Max Weight
16 kg
Trophic Level
4.1
Resilience
Medium
Vulnerability
57.00/100
Migration
Oceanodromous
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8 - 9. : short and / or deep.

🌀 Behaviour

Behavioural data for Seventyfour seabream is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; reef-associated; oceanodromous ; depth range 30 - ? m . Subtropical; 17°S - 30°S South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Oceanodromous
Trophic Level
4.1±0.6
Food Items

fish and squid (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.02399 × L2.96 (TL)
Max TL
120cm
Max Weight
16,000g
Dorsal Spines
12
Dorsal Rays
10
Anal Spines
3
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
57.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Regan, 1908

🎣 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
Dentex undulosus Regan 1908 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Seventyfour seabream ↗
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