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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Blackspot wrasse

Decodon melasma Gomon, 1974
Max Length
32.3 cm
Max Weight
Lifespan
Trophic Level
3.5
Depth
40–160 m
Climate
Tropical
Resilience
Medium
Vulnerability
34.00/100
Typical Length
16 cm
Depth Zone
reef

📖 Overview

Lives over sandy bottoms with gravel and isolated reefs. Often caught in the open sea as a by-catch of trawlers fishing for prawns and shrimps. Each individual functions first as a female but later changes to a male .

Scientific Name
Decodon melasma
Authority
Gomon, 1974
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
32.3 cm
Depth Range
40–160 m
Latitude
3°S – 29°N
Trophic Level
3.5
Resilience
Medium
Vulnerability
34.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Body moderately slender and compressed; head large and pointed; teeth caniniform, enlarged, and somewhat crooked, two anterior pairs in each jaw; dorsal fin continuous, with 11 spines; lateral line slightly arched, with 28 scales; body reddish pink; belly paler; a black spot on the flank above posterior edge of pectoral fin; anal fin white .: fusiform / normal.

🌀 Behaviour

Behavioural data for Blackspot wrasse is currently being reviewed.

🦐 Diet

Diet information for Blackspot wrasse is currently being compiled.

🥚 Reproduction

Size at Maturity
8.9cm TL

🌍 Habitat & Distribution

Marine; reef-associated; depth range 40 - 160 m . Tropical; 29°N - 3°S

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.1 (TL)
Max TL
32.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
29°N – 3°S
Described By
Gomon, 1974

🍽️ Edibility & Flavour

"Blackspot wrasse 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

Per 100g cooked — Source: USDA FoodData Central

Nutrient Amount
Protein 18.5 g
Omega-3 (total) 162 mg

🔬 Mercury Safety

Mercury data for Blackspot wrasse 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

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 11 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Blackspot wrasse ↗
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