New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Data Deficient 🌡️ Subtropical

Common frog flounder

Pleuronichthys lighti Wu, 1929
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
51.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs mainly on sandy bottoms in shallow coastal waters (relatively dominant over P. cornutus in Tokyo and Ise Bays, and the Seto Inland, Ariake and Yatsushiro Seas. Probably have some tolerance for reduced salinity forit is reported to be occasionally occurring in river estuaries in China and Korea and brackish waters in Japan .

Scientific Name
Pleuronichthys lighti
Authority
Wu, 1929
Habitat
Marine
Climate
Subtropical
IUCN Status
DD
Trophic Level
3.2
Resilience
Medium
Vulnerability
51.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 71 - 83; Anal soft rays: 50 - 62; Vertebrae: 36 - 39. This species is distinguished by the following characters: scale length (trunk area) less than 1.23% of SL, the whole scale outline fan-shaped, exposed margin rhombic; scales non-deciduous, longitudinal and vertical scale rows essentially regular; upper eye area usually less than lower eye area, area ratio 0.70–1.08; central longitudinal scales 88-105, scales below lateral line 59-74, abdominal vertebrae 12-14 (usually 13) .Cross section: flattened.

🌀 Behaviour

Behavioural data for Common frog flounder is currently being reviewed.

🦐 Diet

Diet information for Common frog flounder is currently being compiled.

🥚 Reproduction

Reproduction data for Common frog flounder is currently being compiled.

🌍 Habitat & Distribution

Marine; brackish; demersal. Subtropical Northwest Pacific: Japan Arch.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01622 × L3 (TL)
Dorsal Rays
77
Anal Rays
56
Vertebrae
38

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Wu, 1929

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Common frog flounder ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.