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💧 Freshwater Least Concern 🌡️ Tropical

Barnard's robber

Hemigrammopetersius barnardi Herre, 1936
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Barnard's robber (Hemigrammopetersius barnardi) is a ray-finned fish of the family Alestidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 7 cm. With a trophic level of 3.4, 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
Hemigrammopetersius barnardi
Authority
Herre, 1936
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
7 cm
Trophic Level
3.4
Resilience
High
Vulnerability
10.00/100
Water Temp
24–27 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 10 - 11; Anal spines: 0; Anal soft rays: 18 - 20.

🌀 Behaviour

Behavioural data for Barnard's robber is currently being reviewed.

🦐 Diet

Diet information for Barnard's robber is currently being compiled.

🥚 Reproduction

Reproduction data for Barnard's robber is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical; 24°C - 27°C ; 13°S - 20°S

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.4±0.41
Food Items

small insects and invertebrates (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.02 (TL)
Max TL
7cm
Dorsal Rays
11
Anal Rays
19

🌡️ Water Parameters & Tolerance

Temperature Range
24–27°C
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
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Herre, 1936

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Petersius barnardi Herre 1936 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 16 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Barnard's robber ↗
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