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🌊 Marine Least Concern 🍽️ Edible 🎣 Game Fish ⚡ Reports of ciguatera poisoning 🌡️ Subtropical

Silk snapper

Lutjanus vivanus Cuvier, 1828
Lutjanus Vivanus (Lutjanus vivanus)
Lutjanus Vivanus (Lutjanus vivanus)
Max Length
83 cm
Max Weight
8.3 kg
Lifespan
-
Trophic Level
3.1
Depth
90–242 m
Climate
Subtropical
Resilience
Low
Vulnerability
37.00/100
Typical Length
45 cm
Depth Zone
reef

📖 Overview

Adults are common near the edge of the continental and island shelves; also found in deeper waters (below 200 m); usually ascending to shallow water at night. They feed mainly on fishes, shrimps, crabs, gastropods, cephalopods, tunicates and some pelagic items including urochordates. Marketed fresh. Said to be a good food fish .

Scientific Name
Lutjanus vivanus
Authority
Cuvier, 1828
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
83 cm
Max Weight
8.3 kg
Depth Range
90–242 m
Latitude
30°S – 41°N
Trophic Level
3.1
Resilience
Low
Vulnerability
37.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 13 - 14; Anal spines: 3; Anal soft rays: 7 - 8. Preopercular notch and knob weak. Pectoral fins long reaching level of anus. Scale rows on back rising obliquely above lateral line. Back and upper sides pink to red, grading to pink with a silvery sheen ventrally; sides with very fine undulating yellow lines; the fins mostly reddish or pale yellow. Young specimens (under about 25 cm) with a blackish spot on upper side below anterior dorsal soft rays.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Silk snapper is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
41.6cm TL

Spawning occurs over most of the year in lower latitudes, but is seasonal (spring and summer) toward the northern and southern limits of the distribution.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 90 - 242 m, usually 90 - 140 m . Subtropical; 41°N - 30°S, 99°W - 32°W North Carolina, USA and Bermuda to São Paulo, Brazil (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.1±0.5
Food Items

fishes, shrimps, crabs, gastropods, cephalopods, tunicates and some pelagic items including urochord

📐 Morphometrics

Length–Weight Relationship: W = 0.01479 × L2.96 (TL)
Max TL
83cm
Max Weight
8,300g
Dorsal Spines
11
Dorsal Rays
14
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Latitude Range
41°N – 30°S
Described By
Cuvier, 1828

🎣 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.

🍽️ Edibility & Flavour

"Silk snapper is an edible species."

✓ Suitable 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

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 18.7 g
Omega-3 (total) 178 mg

🔬 Mercury Safety

Mercury data for Silk snapper 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 (lean white fish average)

Proximate Composition
Energy90 kcal
Moisture80 %
Protein18 %
Total Fat1.2 %
Ash1.2 %
Fatty Acids (g)
Saturated Fat0.3 g
Monounsaturated Fat0.2 g
Polyunsaturated Fat0.4 g
Omega-3 Total0.3 g
EPA0.08 g
DHA0.15 g
Omega-6 Total0.05 g
Key Minerals & Vitamins
Calcium18 mg
Iron0.4 mg
Magnesium30 mg
Phosphorus200 mg
Potassium380 mg
Sodium60 mg
Zinc0.4 mg
Selenium30 µg
Vitamin B60.3 mg
Vitamin B121 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Lutianus vivanus Cuvier 1828 Synonym
Lutjanus hastingsi Bean 1898 Synonym
Lutjanus torridus Cope 1871 Synonym
Mesoprion profundus Poey 1860 Synonym
Mesoprion vivanus Cuvier 1828 Synonym
Neomaenis hastingsi Bean 1898 Synonym
Neomansis hastingsi Bean 1898 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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