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

🌊 Marine Data Deficient 🌡️ Deep-water

Asymmetrical deep-water clingfish

Protogobiesox asymmetricus Fricke, Chen & Chen, 2016
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
370–560 m
Climate
Deep-water
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found in relatively cool water in an area with temporary upwelling along the northern coast of Papua New Guinea and in association with sunken logs; its specializations and especially the lateral asymmetry may be useful to be attached to these logs .

Scientific Name
Protogobiesox asymmetricus
Authority
Fricke, Chen & Chen, 2016
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
DD
Max Length
6 cm
Depth Range
370–560 m
Trophic Level
3.3
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Protogobiesox
Protogobiesox
Species
Asymmetrical deep-water clingfish
Protogobiesox asymmetricus

🐟 Physical Description

Dorsal soft rays (total): 9 - 10; Anal soft rays: 8; Vertebrae: 34 - 35. Dorsal-fin rays 9-10; anal-fin rays 8; pectoral-fin rays 17-24; principal caudal-fin rays15, gills3, the third arch with 3 gill rakers; total vertebrae 34-35, with asymmetrical lateral bending starting behind the skull, bent at an angle of 85°-92°; asymmetrical skull in frontal view; naked skin, surface of head and body without striae; disc without adhesive papillae; posterior margin may be partially fringed; region B small, left- and right-hand sides separate, larger on the right-hand side than on left-hand side .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Asymmetrical deep-water clingfish 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; depth range 370 - 560 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water ⬇️ Benthic
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
6cm
Dorsal Rays
10
Anal Rays
8
Vertebrae
35

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Fricke, Chen & Chen, 2016

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Asymmetrical deep-water clingfish ↗
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.