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🌊 Marine Least Concern 🌡️ Deep-water

Japanese flathead

Inegocia japonica Cuvier, 1829
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
7–85 m
Climate
Deep-water
Resilience
Medium
Vulnerability
32.00/100
Typical Length
20 cm
Depth Zone
deep-water

📖 Overview

Japanese flathead (Inegocia japonica) is a ray-finned fish of the family Platycephalidae. It inhabits marine (saltwater) waters in benthic, deep-water environments. This species can reach a maximum total length of 35 cm. It occurs at depths between 7 and 85 metres. With a trophic level of 3.7, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Inegocia japonica
Authority
Cuvier, 1829
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
35 cm
Depth Range
7–85 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
32.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 11 - 13; Anal spines: 0; Anal soft rays: 11 - 13. Preopercular spines usually 3, upper spine short, subequal with next; small accessory spine usually present. Suborbital ridge usually smooth except for two spines under eye. Interopercular flap present.: elongated.

🌀 Behaviour

Behavioural data for Japanese 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

Also Ref. 32209.

🌍 Habitat & Distribution

Marine; demersal; non-migratory; depth range 7 - 85 m . Deep-water West Pacific: widespread, from Sri Lanka and India north to southern Japan; south to the Philippines; South China Sea; Gulf of Thailand; Indonesia; Papua New Guinea; the Arafura Sea (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.7±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00513 × L3.1 (TL)
Max TL
35cm
Dorsal Spines
9
Dorsal Rays
12
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
3.7
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Cuvier, 1829

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Inegocia borboriensis Cuvier 1829 Synonym
Inegocia isacanthus Cuvier 1829 Synonym
Inegocia japonica Tilesius 1814 Heterotypic
Inegocia japonicas Tilesius 1814 Heterotypic
Platycephalus bataviensis Bleeker 1853 Synonym
Platycephalus borbonensis Cuvier 1829 Synonym
Platycephalus borbonicus Cuvier 1829 Synonym
Platycephalus borboniensis Cuvier 1829 Synonym
Platycephalus isacanthus Cuvier 1829 Synonym
Platycephalus japonicus Tilesius 1814 Heterotypic
Silurus imberbis Gmelin 1789 Synonym
Silurus inermis Houttuyn 1782 Heterotypic
Suggrundus isacanthus Cuvier 1829 Synonym
Thysanophrys japonicus Tilesius 1814 Heterotypic

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 13 records indexed .

Occurrence density from GBIF View GBIF records ↗

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