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Diadromous ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Bronze catfish

Netuma bilineata Valenciennes, 1840
Max Length
90 cm
Max Weight
Lifespan
Trophic Level
3.8
Depth
Climate
Tropical
Resilience
Low
Vulnerability
53.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Inhabits coastal waters, from estuaries onto the continental shelf. Found mostly on mudflats; males incubate eggs in its mouth . Mainly opportunistic and carnivorous; feeding on sea urchins, crustaceans, fish, prawns, loose scales, and detritus . Has a sharp and venomous dorsal and pectoral spines that can inflict extremely painful injuries . An important food fish .

Scientific Name
Netuma bilineata
Authority
Valenciennes, 1840
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
90 cm
Trophic Level
3.8
Resilience
Low
Vulnerability
53.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Siluriformes
Siluriformes
Family
Ariidae
Ariidae
Genus
Netuma
Netuma
Species
Bronze catfish
Netuma bilineata

🐟 Physical Description

Dorsal spines (total): 1; Anal spines: 0; Anal soft rays: 17 - 21; Vertebrae: 53 - 58. Dorsomedian head groove bordered posteriorly by slightly raised frontals and forming a "V". Gill rakers usually absent on hind aspect of first 2 gill arches. Caudal fin lobes slender and tapered. Adipose fin short-based and located posteriorly.: fusiform / normal.

🌀 Behaviour

Behavioural data for Bronze catfish is currently being reviewed.

🦐 Diet

Diet information for Bronze catfish is currently being compiled.

🥚 Reproduction

Reproduction data for Bronze catfish is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal. Tropical West Pacific: Persian Gulf to the Indo-Malayan region, northern Australia, Queensland, and north to southern Japan.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.8±0.49

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.08 (TL)
Max TL
90cm
Dorsal Spines
1
Anal Rays
19
Vertebrae
56

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
53.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Valenciennes, 1840

🌐 Names & Taxonomy

Language Common Names
🇬🇧English roundsnout sea catfish
🇯🇵Japanese Osakahamagigi · オオサカハマギギ

Scientific Synonyms

Scientific Name Author Year Status
Arius andamanensis Day 1871 Synonym
Arius bilineatus Valenciennes 1840 Synonym
Arius dayi Dmitrenko 1974 Synonym
Arius serratus Day 1877 Synonym
Bagrus bilineatus Valenciennes 1840 Synonym
Bagrus rhodonotus Bleeker 1846 Synonym
Netuma osakae Jordan & Kasawa 1925 Synonym
Netuna bilineata Valenciennes 1840 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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