Angolian walking catfish
📖 Overview
Facultative air-breathing ; Inhabits rivers, lakes and swamps. Feeds on a variety of food like algae, plants, Hydracarina, larvae of Ephemeroptera, Chironomidae, Ceratopogonidae, remains of remains (Coleoptera) and fish remains (Cichlidae, Anabantidae) . Maximum size reported in Lower Guinea is 317mm TL .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 0; Dorsal soft rays (total): 67 - 84; Anal soft rays: 55 - 69. Diagnosis: head length 22.3-27.1% SL . Head pointed in dorsal outline; snout slightly rounded; eyes dorsally located . Interorbital distance 41.4-48.6% HL . Tooth plates relatively small , width of premaxillary tooth plate 24.3-30.7% HL, and of vomerine tooth plate 20.9-27.5% HL . Maxillary barbel length 105.1-195.3% HL; outer mandibular barbel length 95.0-134.5% HL . Nasal barbel length 72.1-130.2% HL; inner mandibular barbel length 72.4-108.9% HL . Frontal fontanelle long and narrow (`knife-shaped'); occipital fontanelle oval- shaped and relatively large; supraorbital and the `dermosphenotic' joined by a common suture in specimens over 70 mm SL; dorsal and anal fin nearly reaching caudal fin, but not confluent; gill rakers long and slender, increasing with age . Openings of secondary canals along lateral line visible as irregularly placed white spots on the body . Pectoral spine strongly serrated on outside and inside . Surface of cleithrum exposed through skin is intermediate; inner angle formed by both paired bones sharp; cleithrum length 13.0-18.6% HL; dorsal fin length 65.1-73.8% SL; distance from dorsal to caudal fin 0.9-2.7% SL . 10-23 gill rakers on first arch . Colouration: preserved specimens with uniform colouration; dorsum, flanks and dorsal parts of paired fins dark brown, ventrum and ventral parts of paired fins pale brown to grey . Some specimens may show irregular pattern of small white spots on body .: elongated; Cross section: oval.
🌀 Behaviour
Behavioural data for Angolian walking catfish is currently being reviewed.
🦐 Diet
Diet information for Angolian walking catfish is currently being compiled.
🥚 Reproduction
Reproduction data for Angolian walking catfish is currently being compiled.
🌍 Habitat & Distribution
Freshwater; demersal; pH range: 7.0 - 9.0; dH range: 15 - 40. Tropical; 23°C - 28°C ; 3°N - 5°S
🌿 Ecology
a variety of food like algae, plants, Hydracarina, larvae of Ephemeroptera, Chironomidae, Ceratopogo
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🌍CES | keříčkovec angolský |
| 🇩🇪German | Angolawels |
| 🇷🇺Russian | Ангольский кларий |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Chlarias angolensis | - | - | Synonym |
| Clarias brevinuchalis | Lönnberg & Rendahl | 1922 | Synonym |
| Clarias confluentus | Nichols & La Monte | 1933 | Synonym |
| Clarias curtus | Matthes | 1964 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 232 records indexed .
👥 Community & Contribute
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