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💧 Freshwater Data Deficient 🌡️ Tropical

Astyanax Jenynsii

Astyanax jenynsii Steindachner, 1877
Max Length
7.6 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
Depth Zone

📖 Overview

Astyanax Jenynsii (Astyanax jenynsii) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 7.6 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Astyanax jenynsii
Authority
Steindachner, 1877
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Max Length
7.6 cm
Trophic Level
2.9
Resilience
High
Vulnerability
15.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Astyanax Jenynsii is currently being compiled.

🌀 Behaviour

Behavioural data for Astyanax Jenynsii is currently being reviewed.

🦐 Diet

Diet information for Astyanax Jenynsii is currently being compiled.

🥚 Reproduction

Reproduction data for Astyanax Jenynsii is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: eastern Brazil (?).

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.11 (TL)
Max TL
7.6cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Steindachner, 1877

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