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💧 Freshwater 🌡️ Tropical

Moenkhausia Aurora

Moenkhausia aurora Reia, Silva, Oliveira & Benine, 2024
Max Length
4.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Moenkhausia Aurora (Moenkhausia aurora) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 4.3 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Moenkhausia aurora
Authority
Reia, Silva, Oliveira & Benine, 2024
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
4.3 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 9; Vertebrae: 33. This species is distinguished from its congeners by the following set of characters: presence of reddish body color in life specimens; absence of dark pigmentation on anteriormost rays of the anal fin; number of scales between lateral line and pelvic-fin origin 4; number of unbranched anal-fin rays iii; absence of a humeral blotch; number of maxillary teeth 2-3; absence of dark pigmentation on caudal-fin lobes; number of gill rakers on the first arch 9-14+1+ 6-8; concentration of dark pigments on the anterior margin of the caudal-fin rays .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Moenkhausia Aurora 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: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L3.1 (TL)
Max TL
4.3cm
Dorsal Rays
9
Vertebrae
33

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Reia, Silva, Oliveira & Benine, 2024

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