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🌊 Marine Least Concern 🌡️ Tropical

Doublelined tonguesole

Paraplagusia bilineata Bloch, 1787
Max Length
31.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
1–25 m
Climate
Tropical
Resilience
High
Vulnerability
29.00/100
Typical Length
25 cm
Depth Zone
demersal

📖 Overview

Found on mud and sand bottoms of the continental shelf . Enters shallow estuarine waters and tidal rivers .

Scientific Name
Paraplagusia bilineata
Authority
Bloch, 1787
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
31.6 cm
Depth Range
1–25 m
Latitude
36°S – 46°N
Trophic Level
3.5
Resilience
High
Vulnerability
29.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 99 - 115; Anal spines: 0; Anal soft rays: 72 - 89; Vertebrae: 50. Upper side tan, marbled with dark wavy lines enclosing pale patches; 2 lateral lines on eyed side, none on blind side . Caudal vertebrae 36-44; mid-lateral line scales 75-109 .: short and / or deep.

🌀 Behaviour

Behavioural data for Doublelined tonguesole 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; brackish; demersal; depth range 1 - 25 m . Tropical; 46°N - 36°S, 30°E - 154°E east coast of Africa to the Philippines, north to southern Japan, south to New Guinea and northeastern Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00933 × L3.03 (TL)
Max TL
31.6cm
Dorsal Rays
107
Anal Rays
81
Vertebrae
50

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
46°N – 36°S
Described By
Bloch, 1787

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Doublelined Tonguesole · rock sole · twolined tonguesole
🌍BEN আঙুলঠোঁটি কুকুর জিব
🇫🇷French Langue à Deux Lignes · sole du Pacifique
🇯🇵Japanese Chinzeishitabirame · チンゼイシタビラメ
🇨🇳Chinese 扁魚 · 比目魚 · 牛舌 · 皇帝魚 · 長鈎鬚鰨 · 雙線鬚鰨 · 龍舌

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 15 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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