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Diadromous Least Concern ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Notarius Luniscutis

Notarius luniscutis Valenciennes, 1840
Max Length
120 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
64.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Notarius Luniscutis (Notarius luniscutis), first described by Valenciennes, 1840 is a very large fish in the family Ariidae (order Siluriformes). Adults typically reach 120.00 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. On the IUCN Red List, it is classified as Least Concern.The species is venomous and potentially dangerous to handle.

Scientific Name
Notarius luniscutis
Authority
Valenciennes, 1840
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
120 cm
Latitude
27°S – 7°N
Trophic Level
3.8
Resilience
Low
Vulnerability
64.00/100
Salinity
30–40 ppt

🐟 Physical Description

: fusiform / normal.

🌀 Behaviour

Behavioural data for Notarius Luniscutis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
18cm TL

🌍 Habitat & Distribution

Marine; freshwater; brackish; benthopelagic. Tropical; 7°N - 27°S, 55°W - 34°W South America: French Guiana and Brazil.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish
Trophic Level
3.8±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.07 (TL)
Max TL
120cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
64.00/100
High vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
7°N – 27°S
Described By
Valenciennes, 1840

⚠️ 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

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