New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Least Concern 🌡️ Tropical

Halfline hemiodus

Hemiodus semitaeniatus Kner, 1858
Max Length
20 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
14.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Halfline hemiodus (Hemiodus semitaeniatus) is a ray-finned fish of the family Hemiodontidae. It inhabits freshwater waters. This species can reach a maximum total length of 20 cm. With a trophic level of 2.7, it is an omnivore, consuming both plant and animal matter. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Hemiodus semitaeniatus
Authority
Kner, 1858
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
20 cm
Trophic Level
2.7
Vulnerability
14.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Halfline hemiodus is currently being compiled.

🌀 Behaviour

Behavioural data for Halfline hemiodus is currently being reviewed.

🦐 Diet

Diet information for Halfline hemiodus is currently being compiled.

🥚 Reproduction

Distinct pairing .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Tapajós, Madeira, Capim, Essequibo, Orinoco, and Paraná River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.7±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.09 (TL)
Max TL
20cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Kner, 1858

🌐 Names & Taxonomy

Language Common Names
🇬🇧English halfline hemiodus
🌍CES polozubka polopruhá
🇵🇹Portuguese Bananinha · Bananinha, Piau-banana, Piava-banana · Piau-banana · Sardinha
🇷🇺Russian Полуполосая полузубка

Scientific Synonyms

Scientific Name Author Year Status
Hemiodopsis semitaeniata Kner 1858 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 12 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Halfline hemiodus ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.