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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Subtropical

Chameleon cichlid

Australoheros facetus Jenyns, 1842
Max Length
19.3 cm
Max Weight
-
Lifespan
10 yrs
Trophic Level
3.3
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
29.00/100
Typical Length
18 cm
Depth Zone
-

📖 Overview

An opportunistic diurnal feeder, eating detritus and plant material, preying on small aquatic animals, including small fish. Very resistant to low temperatures. . Common in creeks, rivers, swamps and lakes . This species is an easy open spawner that lays its eggs on a stone or piece of wood . Both parents care for the eggs and fry . Consumed locally. Reported to reach 25.0 cm SL .

Scientific Name
Australoheros facetus
Authority
Jenyns, 1842
Habitat
Freshwater
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
19.3 cm
Lifespan
10 years
Trophic Level
3.3
Resilience
Medium
Vulnerability
29.00/100
Water Temp
25–30 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 9 - 11; Anal spines: 5 - 7; Anal soft rays: 7 - 9. This species differs from its congeners in having a lower jaw longer than upper and mouth pointing upwards; has the shortest dorsal scale cover and the least scaled dorsal and anal fins among (together with A. tembe); with four abdominal bars (present in more than 80% of individuals as compared to 50% or less in all other species .: short and / or deep.

🌀 Behaviour

Behavioural data for Chameleon cichlid is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 👄 Mouth Brooder 🛡️ Egg Guarder
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

This species is an easy open spawner that lays its eggs on a stone or piece of wood. Both parents care for the eggs and fry . In Europe where it has invaded native drainages, spawns when temperature rises above 28-30°C. Forms pairs during spawning and both sexes are territorial. Females deposits eggs on exposed hard surfaces such as stones or wood. Both parent guard larvae and juveniles for 1-3 weeks .

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 6.5 - 7.0; dH range: 5 - 12. Subtropical; 25°C - 30°C South America: Coastal drainages of Uruguay and Rio Grande do Sul, Brazil; Paraná River basin, lower part of Paraná River in Argentina.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.48

📐 Morphometrics

Length–Weight Relationship: W = 0.02512 × L3.04 (TL)
Max TL
19.3cm
Dorsal Spines
16
Dorsal Rays
10
Anal Spines
6
Anal Rays
8

🌡️ Water Parameters & Tolerance

Temperature Range
25–30°C
pH Range
6.5–7
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Jenyns, 1842

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