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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Bottle toothcarp

Tomeurus gracilis Eigenmann, 1909
Max Length
3.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Lives in schools of about several dozen individuals, in muddy creeks or along the sandy-muddy edge of shallow estuarine zones. Sometimes stays motionless at the surface and prefers to seek shelter beneath floating plants. Fertilization is internal . Several days after fertilization, females lay eggs individually on aquatic plants. 7 cm male 8 cm female max TL. Not a seasonal killifish .

Scientific Name
Tomeurus gracilis
Authority
Eigenmann, 1909
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
3.3 cm
Trophic Level
3
Resilience
High
Vulnerability
15.00/100
Migration
Non-migratory
Water Temp
26–29 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Bottle toothcarp is currently being compiled.

🌀 Behaviour

Behavioural data for Bottle toothcarp is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Fecundity
1–2eggs

1 - 2 eggs are visible through the transparent body of the female. Viviparity is facultative, as the eggs can be laid prematurely and be attached to plants .

🌍 Habitat & Distribution

Freshwater; pelagic; pH range: 7.5 - 8.5; dH range: ? - 20; non-migratory. Tropical; 26°C - 29°C South America: small coastal drainages of the Venezuelan departments Delta Amacuro, Monagas, Territorio Federal and in Brazilian states of Amapá and Pará; Guamá and Tocantins River basins; Cuyuni, Mazaruni, Essequibo and Corantijn River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Migration
Non-migratory
Trophic Level
3±0.4
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
3.3cm

🌡️ Water Parameters & Tolerance

Temperature Range
26–29°C
pH Range
7.5–8.5
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
15.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Eigenmann, 1909

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Guppy
🌍CES tomeurus křehký
🇵🇹Portuguese Barrigudinho-vidro
🇷🇺Russian Красивый томеур

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 18 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Bottle toothcarp ↗
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