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💧 Freshwater Least Concern 🌡️ Tropical

Silver dollar

Metynnis hypsauchen Müller & Troschel, 1844
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Max Length
18 cm
Max Weight
—
Lifespan
—
Trophic Level
3.5
Depth
—
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
—
Depth Zone
pelagic

📖 Overview

Overview information for Silver dollar is currently being compiled by our editorial team.

Scientific Name
Metynnis hypsauchen
Authority
Müller & Troschel, 1844
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
18 cm
Trophic Level
3.5
Resilience
High
Vulnerability
15.00/100
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Silver dollar is currently being compiled.

🌀 Behaviour

Behavioural data for Silver dollar is currently being reviewed.

🦐 Diet

Diet information for Silver dollar is currently being compiled.

🥚 Reproduction

Incubation
3days

Often spawns in schools, preferable near the surface. Does not eat its eggs, which hatch after 3 days.

🌍 Habitat & Distribution

Freshwater; pelagic; pH range: 6.0 - 7.0; dH range: ? - 10. Tropical; 24°C - 28°C South America: Amazon and Paraguay River basins, north Guiana Shield rivers.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.03467 × L3.06 (TL)
Max TL
18cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
pH Range
6–7
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Müller & Troschel, 1844

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