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💧 Freshwater Least Concern 🌡️ Tropical

Jewel tetra

Megalamphodus eques Steindachner, 1882
Max Length
4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

A gregarious species which positions itself near the surface between the stems of emerging plants. It is frequently found in stagnant waters. They are generally peaceful, but when there are too many of them during feeding, they bite each other's fins . They feed on worms, crustaceans, insects and plants . Oviparous . Migratory behaviour is undetermined . This species is part of a complex of `blood' tetras, hybrids of which are commonly offered in the aquarium trade. Aquarium keeping: aggressive; in groups of 5 or more individuals; minimum aquarium size 60 cm .

Scientific Name
Megalamphodus eques
Authority
Steindachner, 1882
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
4 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Water Temp
22–26 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Megalamphodus
Megalamphodus
Species
Jewel tetra
Megalamphodus eques

🐟 Physical Description

Physical description for Jewel tetra is currently being compiled.

🌀 Behaviour

Behavioural data for Jewel tetra is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Size at Maturity
2.1cm TL

Oviparous . In captivity, spawning is preceded by vigorous driving by the male during the early hours of the day and eggs mostly sink to the bottom .

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 5.0 - 7.8; dH range: 10 - 25. Tropical; 22°C - 26°C South America: Amazon, Guaporé and Paraguay River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.38
Food Items

worms, crustaceans, insects and plants (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01349 × L3.14 (TL)
Max TL
4cm

🌡️ Water Parameters & Tolerance

Temperature Range
22–26°C
pH Range
5–7.8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Steindachner, 1882

👥 Community & Contribute

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