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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

aquarium

Nannostomus marginatus Eigenmann, 1909
Max Length
3.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

aquarium (Nannostomus marginatus), first described by Eigenmann, 1909 is a tiny fish in the family Lebiasinidae (order Characiformes). 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 Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Lebiasinidae kept in the hobby.

Scientific Name
Nannostomus marginatus
Authority
Eigenmann, 1909
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
3.5 cm
Trophic Level
3.2
Vulnerability
10.00/100
Water Temp
24–26 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for aquarium is currently being compiled.

🌀 Behaviour

Behavioural data for aquarium is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 5.8 - 7.5; dH range: ? - 15. Tropical; 24°C - 26°C South America: Lower to middle Amazon River, Colombia east of the Andes, Guyana, Peru east of the Andes, Suriname and Venezuela east of the Andes.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.13 (TL)
Max TL
3.5cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–26°C
pH Range
5.8–7.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Eigenmann, 1909

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Dwarf Pencilfish
🌍CES drobnoústka trpasličí
🇫🇮Finnish Kääpiösuppusuu
🇵🇱Polish Drobnoustek obrzeżony
🇵🇹Portuguese Peixe-lápis · Torpedinho
🇷🇺Russian Карликовый нанностом

Scientific Synonyms

Scientific Name Author Year Status
Nannostomus marginatus picturatus Hoedeman 1954 Synonym

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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