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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Temperate

Hemigrammus Mahnerti

Hemigrammus mahnerti Uj & Géry, 1989
Max Length
2.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Hemigrammus Mahnerti (Hemigrammus mahnerti), first described by Uj & Géry, 1989 is a tiny fish in the family Acestrorhamphidae (order Characiformes). Adults typically reach 2.80 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate 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 Acestrorhamphidae kept in the hobby.

Scientific Name
Hemigrammus mahnerti
Authority
Uj & Géry, 1989
Habitat
Freshwater
Climate
Temperate
IUCN Status
LC
Max Length
2.8 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Hemigrammus Mahnerti is currently being compiled.

🌀 Behaviour

Behavioural data for Hemigrammus Mahnerti 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. Temperate South America: Paraná and Paraguay River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.16 (TL)
Max TL
2.8cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Temperate
Described By
Uj & Géry, 1989

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