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Diadromous Least Concern ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Bressou sea catfish

Aspistor quadriscutis Valenciennes, 1840
Max Length
50 cm
Max Weight
Lifespan
Trophic Level
3.5
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
36.00/100
Typical Length
30 cm
Depth Zone

📖 Overview

Found in turbid waters over muddy bottoms in shallow coastal areas, also around estuaries , and coastal rivers . Food items include bottom-living invertebrates. Marketed fresh. Exported frozen . Reproduction period is probably between September and November. Egg diameter is 9-11 mm. Males practice mouth brooding of the eggs. .

Scientific Name
Aspistor quadriscutis
Authority
Valenciennes, 1840
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
50 cm
Latitude
13°S – 9°N
Trophic Level
3.5
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Siluriformes
Siluriformes
Family
Ariidae
Ariidae
Genus
Aspistor
Aspistor
Species
Bressou sea catfish
Aspistor quadriscutis

🐟 Physical Description

Dorsal spines (total): 1. Three pair of barbels on rostral region, two pairs on lower jaw, one pair on posterior end of maxilla; end of maxilla barbel reaching pectoral fin insertion; large saddle-shaped bony plate with rugosa surface in front of dorsal fin, anterior margin of this plate waved but no deep medial incision; body yellow or gray-yellow dorsally, white ventrally .: elongated.

🌀 Behaviour

Behavioural data for Bressou sea catfish is currently being reviewed.

🦐 Diet

Diet information for Bressou sea catfish is currently being compiled.

🥚 Reproduction

Reproduction data for Bressou sea catfish is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; benthopelagic. Tropical; 9°N - 13°S, 59°W - 34°W South America: Atlantic coastal rivers from Guyana to northeastern Brazil.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish
Trophic Level
3.5±0.37

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.12 (TL)
Max TL
50cm
Dorsal Spines
1

🌡️ 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
36.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
9°N – 13°S
Described By
Valenciennes, 1840

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Bressou sea catfish
🇫🇷French Mâchoiron bressou

Scientific Synonyms

Scientific Name Author Year Status
Arius quadriscutis Valenciennes 1840 Synonym
Notarius quadriscutis Valenciennes 1840 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 75 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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