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

💧 Freshwater Vulnerable 🌡️ Tropical

Ceylonese combtail

Belontia signata Günther, 1861
Max Length
18 cm
Max Weight
-
Lifespan
-
Trophic Level
2.6
Depth
0–1 m
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
10 cm
Depth Zone
-

📖 Overview

Facultative air-breathing ; Inhabits usually slow-flowing, shallow, clear water streams, usually with a pebble or sand substrate. Territorial, usually solitary, juveniles form small schools of 3-5 individuals. Feeds on terrestrial insects and detritus.

Scientific Name
Belontia signata
Authority
Günther, 1861
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
18 cm
Depth Range
0–1 m
Trophic Level
2.6
Resilience
High
Vulnerability
19.00/100
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Ceylonese combtail is currently being compiled.

🌀 Behaviour

Behavioural data for Ceylonese combtail is currently being reviewed.

🦐 Diet

Diet information for Ceylonese combtail is currently being compiled.

🥚 Reproduction

Spawn Location
Demersal

Male builds bubble nest under a leaf, a submerged overhanging rock or sometimes at the surface to hold the eggs. About 500 eggs are spawned. Eggs demersal, light pink, < 1 mm diameter. Male guards nest. Eggs hatch in 2-3 days after spawning. Both parents tend nest of larvae.

🌍 Habitat & Distribution

Freshwater; benthopelagic; depth range 0 - 1 m. Tropical; 24°C - 28°C ; 7°N - 6°N south west quarter and mid-hill region of the Mahaweli basin, including the lower hills up to about 800 m.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.6±0.27
🐠 Schooling 🧍 Solitary
Food Items

terrestrial insects and detritus

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
18cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
2.6
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Günther, 1861

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Ceylonese combtail ↗
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Spotted incorrect or outdated data?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.