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💧 Freshwater Least Concern 🌡️ Tropical

Poreless gudgeon

Oxyeleotris nullipora Roberts, 1978
Max Length
4 cm
Max Weight
Lifespan
Trophic Level
3.2
Depth
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Facultative air-breathing in the genus ; Found in backwaters of rivers, small creeks, swamps, and lily lagoons, usually among thick aquatic vegetation over soft mud bottoms. Females lay about 30 eggs (2 millimeters in diameter) on the ceiling of overhanging rocks or crevices. These are guarded and fanned by males until hatching, which takes about 8 days .

Scientific Name
Oxyeleotris nullipora
Authority
Roberts, 1978
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
4 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 11; Anal spines: 1; Anal soft rays: 7 - 10. : fusiform / normal.

🌀 Behaviour

Behavioural data for Poreless gudgeon is currently being reviewed.

🦐 Diet

Diet information for Poreless gudgeon is currently being compiled.

🥚 Reproduction

Female lays about 30 large (2 mm) eggs on the ceiling of overhanging rocks or in crevices. Male guards the eggs until hatching which takes about 8 days.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 6°S - 19°S central southern New Guinea.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00933 × L3.06 (TL)
Max TL
4cm
Dorsal Spines
7
Dorsal Rays
11
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Roberts, 1978

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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