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

💧 Freshwater Least Concern 🌡️ Tropical

Blotched upsidedown catfish

Synodontis nigriventris David, 1936
Max Length
9.6 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Feeds mainly at night on insects, crustaceans and plant matter . Oviparous . Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 80 cm .

Scientific Name
Synodontis nigriventris
Authority
David, 1936
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
9.6 cm
Trophic Level
2.9
Resilience
High
Vulnerability
12.00/100
Water Temp
22–26 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Siluriformes
Siluriformes
Family
Mochokidae
Mochokidae
Genus
Synodontis
Synodontis
Species
Blotched upsidedown catfish
Synodontis nigriventris

🐟 Physical Description

Physical description for Blotched upsidedown catfish is currently being compiled.

🌀 Behaviour

Behavioural data for Blotched upsidedown catfish is currently being reviewed.

🦐 Diet

Diet information for Blotched upsidedown catfish is currently being compiled.

🥚 Reproduction

The parents tend their clutch more than they guard it.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 6.0 - 8.0; dH range: 5 - 12. Tropical; 22°C - 26°C

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.36

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L3.01 (TL)
Max TL
9.6cm

🌡️ Water Parameters & Tolerance

Temperature Range
22–26°C
pH Range
6–8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
David, 1936

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Blotched Upsidedown Catfish · Upside-down Catfish · Upsidedown Cat · back-swimming Congo catfish · up-side-down catfish
🌍CES peřovec černobřichý
🇩🇰Danish Sortbuget Rygsvømmermalle
🇩🇪German Rückenschwimmender Kongowels
🇯🇵Japanese サカサナマズ
🇳🇱Dutch Rugzwemmende Meerval
🇵🇱Polish Giętkoząb czarnobrzuchy
🇷🇺Russian сомик чернобрюхий · сомик-перевертыш
🇸🇪Swedish Vändmal
🇨🇳Chinese 黑腹歧鬚鮠

Scientific Synonyms

Scientific Name Author Year Status
Synodontis nigroventris David 1936 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 127 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 Blotched upsidedown 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.