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

🌊 Marine Least Concern 🌡️ Deep-water

Urolophus Deforgesi

Urolophus deforgesi Séret & Last, 2003
Max Length
34.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
203–330 m
Climate
Deep-water
Resilience
Low
Vulnerability
41.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Urolophus Deforgesi (Urolophus deforgesi) is a ray-finned fish of the family Urolophidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 34.2 cm. It occurs at depths between 203 and 330 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Urolophus deforgesi
Authority
Séret & Last, 2003
Habitat
Marine
Climate
Deep-water
Body Shape
Other
IUCN Status
LC
Max Length
34.2 cm
Depth Range
203–330 m
Trophic Level
3.5
Resilience
Low
Vulnerability
41.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Vertebrae: 151 - 157. Weakly rhomboidal disc, width less than 70% total length; rather long tail, postcoacal length more than 75% of disc length; short head (ventral length mostly less than 30% total length) and snout (length to eye less than 15% total length); narrow, cartilaginous interorbit less than 4% total length; internasal flap greatly expanded posteriorly; no broad lobes on posterolateral border of nostrils; inner margin of spiracle oblique; no lateral tail folds; no dorsal fin; apices of pelvic fins rounded; 7-8 oral papillae arranged along a 'W' line on mouth floor; 96-102 pectoral fin radials; total vertebrae more than 150; dorsal surface uniform yellowish brown .: other.

🌀 Behaviour

Behavioural data for Urolophus Deforgesi 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 203 - 330 m . Deep-water Central Pacific: Chesterfield Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.08 (TL)
Max TL
34.2cm
Vertebrae
154

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
41.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Body Shape
Other
Climate Zone
Deep-water
Described By
Séret & Last, 2003

🗺️ 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 Urolophus Deforgesi ↗
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.