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

💧 Freshwater Least Concern ⚠️ Venomous 🐠 Aquarium ⚡ Venomous 🌡️ Tropical

Talking catfish

Acanthodoras spinosissimus Eigenmann & Eigenmann, 1888
Max Length
13.7 cm
Max Weight
-
Lifespan
-
Trophic Level
2.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
17.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Talking catfish (Acanthodoras spinosissimus), first described by Eigenmann & Eigenmann, 1888 is a small fish in the family Doradidae (order Siluriformes). Adults typically reach 13.70 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby and venomous and potentially dangerous to handle. Care requirements and behaviour align broadly with other Doradidae kept in the hobby.

Scientific Name
Acanthodoras spinosissimus
Authority
Eigenmann & Eigenmann, 1888
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
13.7 cm
Trophic Level
2.4
Resilience
High
Vulnerability
17.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Siluriformes
Siluriformes
Family
Doradidae
Doradidae
Genus
Acanthodoras
Acanthodoras
Species
Talking catfish
Acanthodoras spinosissimus

🐟 Physical Description

Physical description for Talking catfish is currently being compiled.

🌀 Behaviour

Behavioural data for Talking catfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Amazon and Essequibo River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.4±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L2.95 (TL)
Max TL
13.7cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
2.4
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Eigenmann & Eigenmann, 1888

⚠️ 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

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 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 Talking catfish ↗
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.