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🌊 Marine Least Concern 🎣 Game Fish 🌡️ Tropical 🎣 Game Fish

Shadow trevally

Carangichthys dinema Bleeker, 1851
Max Length
85 cm
Max Weight
2.6 kg
Lifespan
-
Trophic Level
4
Depth
1–80 m
Climate
Tropical
Resilience
Medium
Vulnerability
32.00/100
Typical Length
35 cm
Depth Zone
reef

📖 Overview

Adults inhabit coastal waters. They occur singly or in small to large schools at a depth of 15 m or less along steep drop-offs. Piscivore . Maximum depth reported taken from Ref. 128797.

Scientific Name
Carangichthys dinema
Authority
Bleeker, 1851
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
85 cm
Max Weight
2.6 kg
Depth Range
1–80 m
Latitude
22°S – 32°N
Trophic Level
4
Resilience
Medium
Vulnerability
32.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Carangichthys
Carangichthys
Species
Shadow trevally
Carangichthys dinema

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 17 - 19; Anal spines: 3; Anal soft rays: 15 - 17. : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Shadow trevally 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; brackish; reef-associated; depth range 1 - 80 m . Tropical; 32°N - 22°S West Pacific: East Africa to Samoa, north to southern Japan, south to Tonga.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Feeding Mode
Piscivore
Trophic Level
4±0.67
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L2.96 (TL)
Max TL
85cm
Max Weight
2,600g
Dorsal Spines
9
Dorsal Rays
18
Anal Spines
3
Anal Rays
16

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
32°N – 22°S
Described By
Bleeker, 1851

🎣 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
- - -

👥 Community & Contribute

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