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💧 Freshwater 🌡️ Tropical

Jenynsia Aurea

Jenynsia aurea Hartmann, Wingert, Angrizani & Malabarba, 2026
Max Length
8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Overview information for Jenynsia Aurea is currently being compiled by our editorial team.

Scientific Name
Jenynsia aurea
Authority
Hartmann, Wingert, Angrizani & Malabarba, 2026
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
8 cm
Trophic Level
2.9
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Vertebrae: 33 - 34. This species is distinguished from its congeners by the following set of characters: presence of a tubular gonopodium with a short fourth anal-fin ray, less than two-thirds length of ray three; presence of a single midlateral stripe in adults; absence of dorsolateral or ventrolateral chevron marks associated to the midlateral stripe; presence of 13 to 15 gill rakers on ventral limb of first gill arch (in 2 c&s specimens); and presence of the first mandibular-canal pore .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Jenynsia Aurea is currently being reviewed.

🦐 Diet

Diet information for Jenynsia Aurea is currently being compiled.

🥚 Reproduction

Reproduction data for Jenynsia Aurea is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.15 (TL)
Max TL
8cm
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Hartmann, Wingert, Angrizani & Malabarba, 2026

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