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

💧 Freshwater Vulnerable 🐠 Aquarium 🌡️ Tropical

Sail-fin molly

Poecilia velifera Regan, 1914
Max Length
15 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
35.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Adults feed on worms, crustaceans, insects and plant matter . Migratory behaviour is undetermined . Aquarium keeping: minimum aquarium size 60 cm .

Scientific Name
Poecilia velifera
Authority
Regan, 1914
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
15 cm
Trophic Level
3
Resilience
High
Vulnerability
35.00/100
Water Temp
25–28 °C

🐟 Physical Description

Physical description for Sail-fin molly is currently being compiled.

🌀 Behaviour

Behavioural data for Sail-fin molly is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
3.4cm TL

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic; pH range: 8.0 - 8.0; dH range: 13 - 19. Tropical; 25°C - 28°C ; 21°N - 16°N, 97°W - 86°W Central America: Yucatán-Quintana Roo and lower Usumacinta-Laguna de Términos systems in Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Trophic Level
3±0.34
Food Items

worms, crustaceans, insects and plant matter (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L3.15 (TL)
Max TL
15cm

🌡️ Water Parameters & Tolerance

Temperature Range
25–28°C
pH Range
8–8

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Regan, 1914

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Mexican sailfin molly · Sail-fin Molly · Yucatan molly · giant sailfin
🇸🇦Arabic مولي يوكاتانية
🌍CES živorodka velkoploutvá
🇩🇰Danish Stor sejlfinnefisk
🇫🇷French Molly voile
🇷🇺Russian Моллинезия-велифера · Парусная моллинезия
🇪🇸Spanish Topote de aleta grande · Topote de vela · topote aleta grande
🇨🇳Chinese 帆鰭花鱂 · 帆鰭花鱂(摩利魚) · 摩利魚 · 摩麗 · 立帆摩麗 · 胎鱂 · 花鱂

Scientific Synonyms

Scientific Name Author Year Status
Mollienesia velifera Regan 1914 Synonym
Mollienisia velifera Regan 1914 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 13 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 Sail-fin molly ↗
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.