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🌊 Marine Least Concern 🌡️ Tropical

Rough-scaled flounder

Psettina gigantea Amaoka, 1963
Max Length
13 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
79–100 m
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Rough-scaled flounder (Psettina gigantea), first described by Amaoka, 1963 is a small fish in the family Bothidae (order Pleuronectiformes). Adults typically reach 13.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 79 to 100 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Psettina gigantea
Authority
Amaoka, 1963
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
13 cm
Depth Range
79–100 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
37.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 90 - 103; Anal spines: 0; Anal soft rays: 69 - 80. Differs from P. iijimae by dark spots on body not extending to dorsal and anal fins, caudal fin without blackish band, and absence of gill rakers on upper limb. Snout and jaws dark.: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Rough-scaled flounder 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 79 - 100 m . Tropical South China Sea.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L3.04 (TL)
Max TL
13cm
Dorsal Rays
97
Anal Rays
75

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.7
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Amaoka, 1963

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