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💧 Freshwater Critically Endangered 🌡️ Tropical

Widemouth gambusia

Gambusia eurystoma Miller, 1975
Max Length
3.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
16.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Widemouth gambusia (Gambusia eurystoma), first described by Miller, 1975 is a tiny fish in the family Poeciliidae (order Cyprinodontiformes). Adults typically reach 3.50 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Critically Endangered.The species is a species of conservation concern.

Scientific Name
Gambusia eurystoma
Authority
Miller, 1975
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Max Length
3.5 cm
Trophic Level
3.1
Resilience
High
Vulnerability
16.00/100
Migration
Non-migratory
Water Temp
24–29 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Widemouth gambusia is currently being compiled.

🌀 Behaviour

Behavioural data for Widemouth gambusia is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
Internal

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 7.2 - 7.8; dH range: 5 - 20; non-migratory . Tropical; 24°C - 29°C Central America: Grijalva system, Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.15 (TL)
Max TL
3.5cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–29°C
pH Range
7.2–7.8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Miller, 1975

🦠 Common Diseases

The following diseases are known to affect Widemouth gambusia.

👥 Community & Contribute

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