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💧 Freshwater Least Concern 🌡️ Tropical

Mylossoma Aureum

Mylossoma aureum Spix & Agassiz, 1829
Max Length
20 cm
Max Weight
-
Lifespan
-
Trophic Level
2.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Considered an omnivore with high tendency to herbivory, feeding mainly on vegetal matter and invertebrates. Reported to be highly fecund, fast growing with high mortality rates in early life stages and undertakes reproductive migrations, and the spawning occurs during the flood season, mainly in white waters rivers and associated wetlands, It is of moderate importance in commercial fisheries .

Scientific Name
Mylossoma aureum
Authority
Spix & Agassiz, 1829
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
20 cm
Trophic Level
2.5
Resilience
High
Vulnerability
12.00/100
Migration
Potamodromous
Water Temp
22–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Vertebrae: 38 - 39. This species differs from all its congeners by having the last abdominal spine clearly separated from the anal-fin origin (vs. last abdominal spine reaching the anal-fin origin or almost) and with total vertebrae 38-39 (vs. 35-37) .Cross section: compressed.

🌀 Behaviour

Behavioural data for Mylossoma Aureum is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Tropical; 22°C - 28°C South America: Amazon and Orinoco River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Feeding Mode
Omnivore
Trophic Level
2.5±0.23

📐 Morphometrics

Length–Weight Relationship: W = 0.02754 × L3.05 (TL)
Max TL
20cm
Vertebrae
39

🌡️ Water Parameters & Tolerance

Temperature Range
22–28°C
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
12.00/100
Low vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Spix & Agassiz, 1829

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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