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Diadromous ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Warrior catfish

Aceroichthys dioctes Kailola, 2000
Max Length
120 cm
Max Weight
19.0 kg
Lifespan
-
Trophic Level
3.8
Depth
-
Climate
Tropical
Resilience
Very low
Vulnerability
70.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Warrior catfish (Aceroichthys dioctes) is a ray-finned fish. It inhabits diadromous, migrating between freshwater and the sea waters in benthic environments. This species can reach a maximum total length of 120 cm. With a trophic level of 3.8, it is a mid-level predator. Venomous.

Scientific Name
Aceroichthys dioctes
Authority
Kailola, 2000
Habitat
Diadromous
Climate
Tropical
Max Length
120 cm
Max Weight
19 kg
Trophic Level
3.8
Resilience
Very low
Vulnerability
70.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Aceroichthys
Aceroichthys
Species
Warrior catfish
Aceroichthys dioctes

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 17 - 21; Vertebrae: 49 - 50. Teeth strong, non-depressible; in narrow bands in jaws and in four patches arranged across front palate. Snout prominent, jaw teeth exposed; mouth wide. Head somewhat venulosus, head shield almost smooth. Eye small, free of head skin, 6-14% HL. No rakers on posterior face of first two arches; gill opening wide. Body orange-yellow; lips, inside mouth and body usually covered with orange or yellow mucus, and teeth usually reddish .

🌀 Behaviour

Behavioural data for Warrior catfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.8±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.13 (TL)
Max TL
120cm
Max Weight
19,000g
Dorsal Spines
1
Dorsal Rays
7
Anal Rays
19
Vertebrae
50

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
70.00/100
High vulnerability
Trophic Level
3.8
Predator
Climate Zone
Tropical
Described By
Kailola, 2000

⚠️ 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 neurotoxin
Delivery
dorsal, anal, and pelvic fin spines
Potency
Severe
Mortality Risk
Low
Symptom Onset
5min
Duration
24.0hrs
Antivenom
✗ Not Available
Named Toxins
high-molecular-weight protein (Stonustoxin analogue) acetylcholine
Symptoms
  • immediate intense pain
  • swelling
  • erythema
  • occasional nausea and weakness
Affected Body Systems
peripheral nervous system cardiovascular
First Aid
Immerse affected area in hot water (45 C, tolerable) for 30-90 minutes to denature toxin. Do not apply ice.
Medical Treatment

Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.

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

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