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

💧 Freshwater Vulnerable 🌡️ Tropical

Peacock gudgeon

Tateurndina ocellicauda Nichols, 1955
Max Length
7.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
16.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits rivers and ponds. Forms schools that hover over the bottom. Commonly found in rainforest streams.

Scientific Name
Tateurndina ocellicauda
Authority
Nichols, 1955
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
7.5 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
16.00/100
Migration
Non-migratory
Water Temp
22–26 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Tateurndina
Tateurndina
Species
Peacock gudgeon
Tateurndina ocellicauda

🐟 Physical Description

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 13 - 14; Anal spines: 1; Anal soft rays: 13 - 14. : fusiform / normal.

🌀 Behaviour

Behavioural data for Peacock gudgeon is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Spawn Location
Rocky

Prior to spawning a pair selects and cleans a nest site, usually in a rocky crevice. Female deposits about 30 eggs. Male guards and fans the eggs. Eggs hatch in about 6 days.

🌍 Habitat & Distribution

Freshwater; demersal; pH range: ? - 7.0; dH range: ? - 7; non-migratory. Tropical; 22°C - 26°C ; 8°S - 10°S

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.2±0.5
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.08 (TL)
Max TL
7.5cm
Dorsal Spines
9
Dorsal Rays
14
Anal Spines
1
Anal Rays
14

🌡️ Water Parameters & Tolerance

Temperature Range
22–26°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Nichols, 1955

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Peacock gudgeon ↗
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Spotted incorrect or outdated data?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.