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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Redaxil emperor

Lethrinus conchyliatus Smith, 1959
Max Length
76 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
5–220 m
Climate
Tropical
Resilience
Medium
Vulnerability
51.00/100
Typical Length
50 cm
Depth Zone
reef

📖 Overview

Solitarily inhabits sand, rubble, and weed areas near corals in deep reefs. Feeds on crustaceans and small fishes. Gonads in spawning state have been observed in October. This species is not well represented in museums due to the relatively large capture size for most specimens . Also caught with handlines .

Scientific Name
Lethrinus conchyliatus
Authority
Smith, 1959
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
76 cm
Depth Range
5–220 m
Latitude
22°S – 14°N
Trophic Level
4
Resilience
Medium
Vulnerability
51.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8. : fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Redaxil emperor 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; non-migratory; depth range 5 - 220 m . Tropical; 14°N - 22°S Indian Ocean: Tanzania, northern Madagascar, Chagos, Andamans and southwestern Indonesia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
4±0.67
Food Items

crustaceans and small fishes

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.98 (TL)
Max TL
76cm
Dorsal Spines
10
Dorsal Rays
9
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
14°N – 22°S
Described By
Smith, 1959

🍽️ Edibility & Flavour

"Lethrinus Conchyliatus is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Detailed nutritional data for Redaxil emperor is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Redaxil emperor has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact
✓ Sustainable Choice

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

👥 Community & Contribute

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