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🌊 Marine 🌡️ Deep-water

Dragon poacher

Percis japonica Pallas, 1769
Max Length
42 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
19–750 m
Climate
Deep-water
Resilience
Low
Vulnerability
50.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Dragon poacher (Percis japonica) is a ray-finned fish of the family Agonidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 42 cm. It occurs at depths between 19 and 750 metres. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Percis japonica
Authority
Pallas, 1769
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
42 cm
Depth Range
19–750 m
Trophic Level
3.1
Resilience
Low
Vulnerability
50.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 6 - 8; Anal spines: 0; Anal soft rays: 7 - 9; Vertebrae: 40 - 42. Snout round, without a barbel on its anterior tip; dorsum highly elevated at nape . Branchial membranes united, free from isthmus . Bony plate on body with a large sharp spine .: elongated.

🌀 Behaviour

Behavioural data for Dragon poacher 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; bathydemersal; depth range 19 - 750 m . Deep-water North Pacific: Sea of Japan to the Sea of Okhotsk and the Bering Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.1±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00479 × L3.05 (TL)
Max TL
42cm
Dorsal Spines
6
Dorsal Rays
7
Anal Rays
8
Vertebrae
41

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
50.00/100
Moderate-High vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Pallas, 1769

🌐 Names & Taxonomy

Language Common Names
🇬🇧English dragon poacher
🇯🇵Japanese Inugochi · イヌゴチ
🇷🇺Russian Японская лисичка

Scientific Synonyms

Scientific Name Author Year Status
Agonus curillicus Tilesius 1813 Synonym
Agonus stegophthalmus Tilesius 1813 Synonym
Aspidophorus lisiza Lacepède 1801 Synonym
Aspidophorus superciliosus Cuvier 1829 Synonym
Cottus japonicus Pallas 1769 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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