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

🌊 Marine Least Concern 🌡️ Tropical

Hair-finned filefish

Paramonacanthus oblongus Temminck & Schlegel, 1850
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Hair-finned filefish (Paramonacanthus oblongus), first described by Temminck & Schlegel, 1850 is a fish in the family Monacanthidae (order Tetraodontiformes). It inhabits marine coastal and open-ocean environments. 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
Paramonacanthus oblongus
Authority
Temminck & Schlegel, 1850
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Latitude
25°S – 34°N
Trophic Level
3.5
Resilience
High
Vulnerability
21.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Hair-finned filefish is currently being compiled.

🌀 Behaviour

Behavioural data for Hair-finned filefish 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. Tropical; 34°N - 25°S, 32°E - 178°W

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.37
Food Items

small invertebrates

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.07 (TL)

🌡️ 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
21.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Latitude Range
34°N – 25°S
Described By
Temminck & Schlegel, 1850

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Hair-finned Filefish · Japanese Leatherjacket
🇸🇦Arabic سمك السترة الجلدية الياباني · سمك المبرد شعري الزعانف
🏳️Catalan Peix llima oblong
🇯🇵Japanese Yosogi · ヨソギ
🇰🇷Korean 새양쥐치
🇵🇹Portuguese Peixe-porco-de-Nagasaki

Scientific Synonyms

Scientific Name Author Year Status
Monacanthus oblongus Temminck & Schlegel 1850 Synonym
Stephanolepis oblongus Temminck & Schlegel 1850 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Hair-finned filefish ↗
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.