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💧 Freshwater 🌡️ Tropical

Astyanax Gandhiae

Astyanax gandhiae Valencia, Taphorn, Buckup & Ortega, 2018
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Astyanax Gandhiae (Astyanax gandhiae) 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.

Scientific Name
Astyanax gandhiae
Authority
Valencia, Taphorn, Buckup & Ortega, 2018
Habitat
Freshwater
Climate
Tropical
Trophic Level
2.9
Resilience
High
Vulnerability
19.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species, a member of the orthodus species-group of Astyanax, differs from other members of the group by the following characters: differs from othodus, villwocki, superbus, bopiensi, boliviensis, yariguies by the absence of a spot on the caudal peduncle; differs further from villwocki by having a short lateral stripe extending from the caudal spot and it does not extend anteriorly beyond a vertical through the origin of the anal fin (vs. lateral stripe extending anteriorly beyond a vertical through the origin of the anal fin; differs from A. bopiensis in having less teeth that do not cover more than a third of the length of the maxillary (vs. larger number of teeth covering more than two thirds of the maxillary); differs from A. moorii for dorsal-fin-hypural distance < 45% SL (vs. > 50), by dorsal-pectoral distance > 50% SL (vs. < 50), interorbital distance > 32% HL (vs. < 32), upper jaw length less < 35% HL (vs. > 40) .Cross section: compressed.

🌀 Behaviour

Behavioural data for Astyanax Gandhiae 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: Peru.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01905 × L3.01 (TL)

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Valencia, Taphorn, Buckup & Ortega, 2018

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