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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Astyanax Pirapuan

Astyanax pirapuan Tagliacollo, Britzke, Silva & Benine, 2011
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Astyanax Pirapuan (Astyanax pirapuan) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. 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 pirapuan
Authority
Tagliacollo, Britzke, Silva & Benine, 2011
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Trophic Level
2.9
Resilience
High
Vulnerability
21.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Distinguished from other species of Astyanax scabripinnis species complex by a combination of the following characters: 8-9 gill rakers on the upper limb of first branchial arch; 0-1 tooth on the maxillary; 17-21 branched anal-fin rays, 35-37 perforated lateral line scales; and two humeral spots .

🌀 Behaviour

Behavioural data for Astyanax Pirapuan 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: tributaries of the Rio Aricá-Mirim, Rio Cuiabá basin in Mato Grosso State, Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

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

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Tagliacollo, Britzke, Silva & Benine, 2011

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