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

🌊 Marine Least Concern 🌡️ Deep-water

ニセシロチョウマン

Glyptophidium oceanium Smith & Radcliffe, 1913
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
200–565 m
Climate
Deep-water
Resilience
Medium
Vulnerability
27.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

ニセシロチョウマン (Glyptophidium oceanium), first described by Smith & Radcliffe, 1913 is a medium-sized fish in the family Ophidiidae (order Ophidiiformes). Adults typically reach 22.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 200 to 565 metres. It occurs in Deep-water 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
Glyptophidium oceanium
Authority
Smith & Radcliffe, 1913
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
22 cm
Depth Range
200–565 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
27.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Ophidiiformes
Ophidiiformes
Family
Ophidiidae
Ophidiidae
Genus
Glyptophidium
Glyptophidium
Species
ニセシロチョウマン
Glyptophidium oceanium

🐟 Physical Description

Dorsal soft rays (total): 127 - 134; Anal soft rays: 100 - 104. Prominent head and body with an attenuate caudal part; head bones with large, thin crests; eye equal to or greater than length of snout; opercular spine broad, flat and weak; basibranchial with 2 median and a pair of tooth patches; long gill rakers on anterior arch 21 to 33 . Caudal fin rays 8-10; stem of pseudobranchial filament pale, filaments 10-15; anterior anal fin ray below 31st-34th dorsal fin rays .: elongated.

🌀 Behaviour

Behavioural data for ニセシロチョウマン 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 200 - 565 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0038 × L3.14 (TL)
Max TL
22cm
Dorsal Rays
131
Anal Rays
102

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Smith & Radcliffe, 1913

🌐 Names & Taxonomy

Language Common Names
🌍CES hrujovka madagaskarská
🇯🇵Japanese Niseshirochoman · ニセシロチョウマン

Scientific Synonyms

Scientific Name Author Year Status
Glyptophidium oceanicum Smith & Radcliffe 1913 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 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 ニセシロチョウマン ↗
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.