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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Siapa Astyanax

Astyanax siapae Garutti, 2003
Max Length
9.4 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
20.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Siapa Astyanax (Astyanax siapae) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 9.4 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Astyanax siapae
Authority
Garutti, 2003
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
9.4 cm
Trophic Level
2.9
Resilience
High
Vulnerability
20.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Siapa Astyanax is currently being compiled.

🌀 Behaviour

Behavioural data for Siapa Astyanax 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. Tropical South America: Casiquiare-Orinoco basin in Venezuela.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.11 (TL)
Max TL
9.4cm

🌡️ Water Parameters & Tolerance

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
20.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Garutti, 2003

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Redtail Astyanax · Siapa Astyanax · Tetra

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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