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🌊 Marine Least Concern ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Softhead sea catfish

Notarius rugispinis Valenciennes, 1840
Max Length
47 cm
Max Weight
Lifespan
Trophic Level
3.3
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
40.00/100
Typical Length
30 cm
Depth Zone
demersal

📖 Overview

Coastal, found chiefly in turbid waters of estuaries and around river mouths. Reproduction appears to be between September to November. Egg diameter is 14-15 mm, numbering about 30-35 per female. Males practice mouth brooding . Marketed fresh and salted; exported frozen .

Scientific Name
Notarius rugispinis
Authority
Valenciennes, 1840
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
47 cm
Latitude
3°S – 8°N
Trophic Level
3.3
Resilience
Medium
Vulnerability
40.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Softhead sea catfish is currently being compiled.

🌀 Behaviour

Behavioural data for Softhead sea catfish is currently being reviewed.

🦐 Diet

Diet information for Softhead sea catfish is currently being compiled.

🥚 Reproduction

Reproduction data for Softhead sea catfish is currently being compiled.

🌍 Habitat & Distribution

Marine; brackish; demersal. Tropical; 8°N - 3°S, 59°W - 43°W South America: Guyana to Maranhão, Brazil.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.3±0.48

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.08 (TL)
Max TL
47cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
40.00/100
Moderate vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Latitude Range
8°N – 3°S
Described By
Valenciennes, 1840

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