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💧 Freshwater Least Concern 🌡️ Tropical

Harm

Hydrolycus armatus Jardine, 1841
Max Length
89 cm
Max Weight
8.5 kg
Lifespan
Trophic Level
4.5
Depth
Climate
Tropical
Resilience
Vulnerability
38.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Harm (Hydrolycus armatus) is a ray-finned fish of the family Cynodontidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 89 cm. With a trophic level of 4.5, it is an apex predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Hydrolycus armatus
Authority
Jardine, 1841
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
89 cm
Max Weight
8.5 kg
Trophic Level
4.5
Vulnerability
38.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Harm is currently being compiled.

🌀 Behaviour

Behavioural data for Harm is currently being reviewed.

🦐 Diet

Diet information for Harm is currently being compiled.

🥚 Reproduction

Reproduction data for Harm is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical South America: Amazon basin, Orinoco basin, rivers of Guyana.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
4.5±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.15 (TL)
Max TL
89cm
Max Weight
8,500g

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
4.5
Apex / Top predator
Climate Zone
Tropical
Described By
Jardine, 1841

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Black-tailed Payara · Harm
🌍CES zubatice ozbrojená
🇫🇮Finnish Isosusitetra
🇵🇹Portuguese Cacchorra, Pirantera · Cachorra · Cachorra-verdadeira · Pirandirá · Pirantera · Saranha
🇪🇸Spanish Payara
🌍THA ปลาอาร์มาทัสหางดำ

Scientific Synonyms

Scientific Name Author Year Status
Hydrocyon armatus Jardine 1841 Synonym

🗺️ 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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