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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Subtropical

Largespring gambusia

Gambusia geiseri Hubbs & Hubbs, 1957
Max Length
4.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
20.00/100
Typical Length
2.5 cm
Depth Zone
-

📖 Overview

Largespring gambusia (Gambusia geiseri), first described by Hubbs & Hubbs, 1957 is a tiny fish in the family Poeciliidae (order Cyprinodontiformes). Adults typically reach 4.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. 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 Poeciliidae kept in the hobby.

Scientific Name
Gambusia geiseri
Authority
Hubbs & Hubbs, 1957
Habitat
Freshwater
Climate
Subtropical
IUCN Status
LC
Max Length
4.4 cm
Trophic Level
3.1
Resilience
High
Vulnerability
20.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Largespring gambusia is currently being compiled.

🌀 Behaviour

Behavioural data for Largespring 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. Subtropical; 31°N - 28°N North America: San Marcos and Guadalupe River systems in Texas, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.15 (TL)
Max TL
4.4cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
20.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Subtropical
Described By
Hubbs & Hubbs, 1957

👥 Community & Contribute

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