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

Diadromous ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Arius Macronotacanthus

Arius macronotacanthus Bleeker, 1846
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Arius Macronotacanthus (Arius macronotacanthus), first described by Bleeker, 1846 is a medium-sized fish in the family Ariidae (order Siluriformes). Adults typically reach 30.00 cm in maximum length. It is diadromous, migrating between freshwater and marine environments during its life cycle. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. The species is venomous and potentially dangerous to handle.

Scientific Name
Arius macronotacanthus
Authority
Bleeker, 1846
Habitat
Diadromous
Climate
Tropical
Max Length
30 cm
Trophic Level
3.5
Resilience
High
Vulnerability
27.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Arius Macronotacanthus is currently being compiled.

🌀 Behaviour

Behavioural data for Arius Macronotacanthus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner 👄 Mouth Brooder
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; benthopelagic. Tropical west Pacific: South and southeast Asia.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.08 (TL)
Max TL
30cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Bleeker, 1846

⚠️ Venom Profile

Medical Warning: This species is venomous. Seek immediate medical attention if envenomated. Contact emergency services and follow first aid guidance below.
Venom Type
proteinaceous
Delivery
dorsal and pectoral spines with venom glands
Potency
Mild
Mortality Risk
Low
Symptom Onset
2min
Duration
12.0hrs
Antivenom
✗ Not Available
Named Toxins
crinotoxins protein toxins
Symptoms
  • pain
  • oedema
  • rare systemic effects
Affected Body Systems
peripheral nervous system
First Aid
Hot water immersion.
Medical Treatment

Wound care, analgesia.

References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Arius Macronotacanthus ↗
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.