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

💧 Freshwater Least Concern 🌡️ Tropical

Badis

Badis badis Hamilton, 1822
Max Length
7.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occurs solitarily in rivers, ponds and ditches. Also found in swamps . Feeds on worms, crustaceans and insects . Used for behavioral studies . Length indications of up to 8 cm in some publications are exaggerated .

Scientific Name
Badis badis
Authority
Hamilton, 1822
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
7.1 cm
Trophic Level
3.3
Resilience
High
Vulnerability
14.00/100
Water Temp
14–30 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 7 - 10; Anal soft rays: 6 - 8; Vertebrae: 26 - 28. The species has conspicuous dark blotch covering superficial part of cleithrum above pectoral fin base. Lacks a dark caudal peduncle blotch. Body depth 30.7-38.9%SL; interorbital width 6,5-8,3% SL; scales in lateral row 25-27; circumpeduncular scales 19-20; pectoral rays usually 12. Has a series of prominent dark blotches along dorsal fin base and/or a series of dark blotches along middle of dorsal fin; and has indistinct bars on side. Has a distal extrascapular .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Badis is currently being reviewed.

🦐 Diet

Diet information for Badis is currently being compiled.

🥚 Reproduction

Size at Maturity
4.5cm TL
Fecundity
30–100eggs

Produces 30-100 eggs. Distinct pairing with embrace .

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 14°C - 30°C

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.39
Food Items

worms, crustaceans and insects (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L2.87 (TL)
Max TL
7.1cm
Dorsal Spines
16
Dorsal Rays
9
Anal Rays
7
Vertebrae
27

🌡️ Water Parameters & Tolerance

Temperature Range
14–30°C
pH Range
6–8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Hamilton, 1822

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Blue Badis · Dwarf Chameleonfish · blue perch
🌍CES ostnáček modrý
🇩🇰Danish Indisk bladfisk
🇩🇪German Blaubarsch
🇵🇱Polish badis błękitnopłetwy
🇵🇹Portuguese Perca-duende-azul
🇷🇺Russian Бадис
🇪🇸Spanish badis
🌍UKR Риба-хамелеон

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 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 Badis ↗
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.