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

💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

mojara

Moenkhausia simulata Eigenmann, 1924
Max Length
7.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

mojara (Moenkhausia simulata), first described by Eigenmann, 1924 is a small fish in the family Acestrorhamphidae (order Characiformes). Adults typically reach 7.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Acestrorhamphidae kept in the hobby.

Scientific Name
Moenkhausia simulata
Authority
Eigenmann, 1924
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
7.2 cm
Trophic Level
3.4
Resilience
High
Vulnerability
15.00/100
Water Temp
24–27 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Vertebrae: 34 - 35. Distinguished by the following characters: dark brown to black spots in the center of scales; caudal spot absent; humeral spot absent; caudal peduncle about deep as long; 26-29 branched anal rays; 33-35 scales on lateral line; 5 scales above lateral line; 4 scales below lateral line; 9 scales in a regularly row before dorsal fin; 4 to 5 supraneurals; 34-35 vertebrae; and a relatively large eye, 2.36-2.87 times in head length .: short and / or deep.

🌀 Behaviour

Behavioural data for mojara 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; pH range: 6.0 - 6.5. Tropical; 24°C - 27°C South America: Upper Amazon, Pachitea, and Maroni River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01479 × L3 (TL)
Max TL
7.2cm
Vertebrae
35

🌡️ Water Parameters & Tolerance

Temperature Range
24–27°C
pH Range
6–6.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Eigenmann, 1924

🌐 Names & Taxonomy

Language Common Names
🌍CES tetra klamavá
🇪🇸Spanish mojara

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for mojara ↗
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.