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💧 Freshwater Least Concern 🍽️ Edible ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Narrowfront tandan

Neosilurus ater Perugia, 1894
Max Length
47 cm
Max Weight
2.0 kg
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
25 cm
Depth Zone
demersal

📖 Overview

Found in rivers and smaller streams, usually where currents are relatively swift . Also lives in still or gently flowing water of pools and side channels. A solitary species . Feed on mollusks, insects, prawns crustaceans and worms . Spawning period coincides with the rise of the monsoonal floods . Adults migrate upstream into shallow riffle zones where they spawn in pairs. The demersal eggs lodge in crevices on the bottom and hatch 2-3 days later .

Scientific Name
Neosilurus ater
Authority
Perugia, 1894
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
47 cm
Max Weight
2 kg
Trophic Level
3.4
Resilience
Medium
Vulnerability
33.00/100
Water Temp
22–30 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 5 - 6; Anal spines: 0; Anal soft rays: 89 - 105. : elongated.

🌀 Behaviour

Behavioural data for Narrowfront tandan is currently being reviewed.

🦐 Diet

Diet information for Narrowfront tandan is currently being compiled.

🥚 Reproduction

Reproduction data for Narrowfront tandan is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 22°C - 30°C ; 3°S - 19°S

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.4±0.44
🧍 Solitary
Food Items

mollusks, insects, prawns (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.06 (TL)
Max TL
47cm
Max Weight
2,000g
Dorsal Spines
1
Dorsal Rays
6
Anal Rays
97

🌡️ Water Parameters & Tolerance

Temperature Range
22–30°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Perugia, 1894

🍽️ Edibility & Flavour

"Narrowfront tandan is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Detailed nutritional data for Narrowfront tandan is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Narrowfront tandan has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Black Catfish · Narrow-fronted Catfish · Narrow-fronted Tandan · narrowfront tandan
🌍CES plotos černý
🇵🇹Portuguese Bagre-enguia-tandan

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 25 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Narrowfront tandan ↗
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