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🌊 Marine Least Concern 🌡️ Tropical

Obscure flathead

Sorsogona melanoptera Knapp & Wongratana, 1987
Max Length
14.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
15–117 m
Climate
Tropical
Resilience
High
Vulnerability
17.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Obscure flathead (Sorsogona melanoptera) is a ray-finned fish of the family Platycephalidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 14.5 cm. It occurs at depths between 15 and 117 metres. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Sorsogona melanoptera
Authority
Knapp & Wongratana, 1987
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
14.5 cm
Depth Range
15–117 m
Trophic Level
3.6
Resilience
High
Vulnerability
17.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 12 - 13; Anal spines: 0; Anal soft rays: 12. Brown in color, paler ventrally, sometimes with indistinct bars; prominent blackish spots along spines and rays of dorsal fins; pelvic fins dusky .

🌀 Behaviour

Behavioural data for Obscure flathead is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; demersal; depth range 15 - 117 m . Tropical Indian Ocean: Gulf of Oman to the Andaman Sea off southern Thailand.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.09 (TL)
Max TL
14.5cm
Dorsal Spines
9
Dorsal Rays
13
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Described By
Knapp & Wongratana, 1987

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Rogadius melanopterus Knapp & Wongratana 1987 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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