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

💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

False X-Ray Tetra

Hyphessobrycon simulatus Géry, 1960
Max Length
3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

A gregarious species which occurs along swampy, coastal zones. Prefers swamps and lentic waters of rivers. Omnivorous .

Scientific Name
Hyphessobrycon simulatus
Authority
Géry, 1960
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
3 cm
Trophic Level
3.4
Resilience
High
Vulnerability
10.00/100
Water Temp
24–26 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for False X-Ray Tetra is currently being compiled.

🌀 Behaviour

Behavioural data for False X-Ray Tetra 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; dH range: ? - 15. Tropical; 24°C - 26°C South America: Maroni, Mana, Sinnamary, Kourou, Comté, Approuague and Oyapock River basins in French Guiana.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.45

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
3cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–26°C
pH Range
6–6.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Géry, 1960

🌐 Names & Taxonomy

Language Common Names
🇬🇧English False X-ray tetra
🌍CES tetra kourounská
🇩🇪German Falscher Sternflecksalmler
🇫🇷French Faux tétra rayons X · Faux tétra rayons-X
🇵🇹Portuguese Tetra-da-Guiana

Scientific Synonyms

Scientific Name Author Year Status
Pseudopristella simulata Géry 1960 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 130 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 False X-Ray Tetra ↗
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.