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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Malayan flounder

Pseudorhombus malayanus Bleeker, 1865
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
20–27 m
Climate
Tropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
20 cm
Depth Zone
demersal

📖 Overview

Found on the muddy and sandy trawling grounds of the continental shelf. Feeds on benthic organisms. Sold mostly fresh in markets.

Scientific Name
Pseudorhombus malayanus
Authority
Bleeker, 1865
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
35 cm
Depth Range
20–27 m
Latitude
12°S – 31°N
Trophic Level
3.4
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 72 - 74; Anal spines: 0; Anal soft rays: 58 - 59. Body brownish, a small dark blotch at junction of straight and curved parts of lateral line. Body deep ovoid, its depth 1.8 to 2 times in SL. Head length 3.1 to 3.3 times in SL. Upper-eye diameter 5.3 to 5.9 times in head length. Maxilla extending to below posterior margin of lower eye. Upper-jaw length 2.3 to 2.4 times in head length. Teeth in upper jaw small and close-set laterally, and enlarged anteriorly. Teeth in lower jaw stronger and more widely spaced than those of upper jaw. Pectoral fin on ocular side with 12-13 soft rays (Ref 9774).: short and / or deep.

🌀 Behaviour

Behavioural data for Malayan flounder is currently being reviewed.

🦐 Diet

Diet information for Malayan flounder is currently being compiled.

🥚 Reproduction

Distinct pairing .

🌍 Habitat & Distribution

Marine; demersal; depth range 20 - 27 m . Tropical; 31°N - 12°S, 44°E - 127°E West Pacific: Persian Gulf east to India; throughout the Malay Peninsula to the Philippines and Indonesia.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.42
Food Items

benthic organisms

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.17 (TL)
Max TL
35cm
Dorsal Rays
73
Anal Rays
59

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
31°N – 12°S
Described By
Bleeker, 1865

🍽️ Edibility & Flavour

"Malayan flounder 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

Detailed nutritional data for Malayan flounder is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Malayan flounder 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) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Malayan flounder ↗
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