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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Lambari

Nematocharax venustus Weitzman, Menezes & Britski, 1986
Max Length
5.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Lambari (Nematocharax venustus) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 5.2 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Nematocharax venustus
Authority
Weitzman, Menezes & Britski, 1986
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
5.2 cm
Trophic Level
3.3
Resilience
High
Vulnerability
11.00/100
Water Temp
22–26 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Differs from its unique congener, Nematocharax costai, by having the following characters: presence of hooks or spinules on dorsal and pelvic-fins (vs. absence); more than seven anal-fin rays with spinules (vs. five rays); absence of a long dark pink horizontal mark on the caudal peduncle (vs. presence); four or fewer supraneurals (vs. five); pelvic-fin filament pale rosy (vs. yellow) .: short and / or deep.

🌀 Behaviour

Behavioural data for Lambari 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: 6.0 - 7.5; dH range: 10 - 20. Tropical; 22°C - 26°C South America: Jequitinhonha River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01479 × L3 (TL)
Max TL
5.2cm

🌡️ Water Parameters & Tolerance

Temperature Range
22–26°C
pH Range
6–7.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Weitzman, Menezes & Britski, 1986

🌐 Names & Taxonomy

Language Common Names
🌍CES charax itaobimský
🇵🇹Portuguese Lambari

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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