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

💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

herringbone rivulus

Laimosemion geayi Vaillant, 1899
Max Length
5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
4 cm
Depth Zone
-

📖 Overview

Calm and timid. Typical species of wooded rivers where the current is slow and the bottom is covered with dead leaves. Sexual differentiation is possible at the age of two months . Not a seasonal killifish . Difficult to breed in the aquarium. Eggs measure 1.6 mm in diameter .

Scientific Name
Laimosemion geayi
Authority
Vaillant, 1899
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
5 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Migration
Non-migratory
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for herringbone rivulus is currently being compiled.

🌀 Behaviour

Behavioural data for herringbone rivulus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Egg Diameter
1.6mm
Larvae at Hatch
1.6mm

Eggs are of 1.6 mm diameter.

🌍 Habitat & Distribution

Freshwater; benthopelagic; non-migratory. Tropical; 24°C - 28°C South America: Atlantic coastal rivers and Amazon River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L3.14 (TL)
Max TL
5cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
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
3.3
Predator
Climate Zone
Tropical
Described By
Vaillant, 1899

🌐 Names & Taxonomy

Language Common Names
🇬🇧English herringbone rivulus
🌍CES rivulus Geayův
🇫🇷French Killi, Rivulus de Geay
🇷🇺Russian Полосатый ривулус

Scientific Synonyms

Scientific Name Author Year Status
Rivulus geayi Vaillant 1899 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 21 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 herringbone rivulus ↗
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.