New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Endangered 🌡️ Tropical

Astyanax Anai

Astyanax anai Angulo, Santos, López, Langeani & McMahan, 2018
Max Length
11.3 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
1–100 m
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
-

📖 Overview

This species is omnivorous, that feeds mainly on seeds, as well as terrestrial and aquatic insects. Inhabits streams and ponds between 1 and 100 m asl, in waters ranging from stagnant to swift current at temperatures ranging from 21 to 32 °C. It is usually found in pools and backwaters, where it usually hides among roots, or in caves and undercuts .

Scientific Name
Astyanax anai
Authority
Angulo, Santos, López, Langeani & McMahan, 2018
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
11.3 cm
Depth Range
1–100 m
Trophic Level
2.9
Resilience
High
Vulnerability
24.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Astyanax Anai is currently being compiled.

🌀 Behaviour

Behavioural data for Astyanax Anai is currently being reviewed.

🦐 Diet

Diet information for Astyanax Anai is currently being compiled.

🥚 Reproduction

Reproduction data for Astyanax Anai is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; depth range 1 - 100 m . Tropical North America: Costa Rica to Panama.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4
Food Items

seeds, as well as terrestrial and aquatic insects

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.11 (TL)
Max TL
11.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Angulo, Santos, López, Langeani & McMahan, 2018

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Astyanax Anai ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.