Mastacembelus Liberiensis
📖 Overview
Mastacembelus Liberiensis (Mastacembelus liberiensis) is a ray-finned fish of the family Mastacembelidae. It inhabits freshwater waters. This species can reach a maximum total length of 37.6 cm. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 28 - 35; Dorsal soft rays (total): 82 - 101; Anal soft rays: 79 - 100; Vertebrae: 92 - 105. Diagnosis: 92-105 total vertebrae (median 99)[Konkouré River basin: 100-104 (median 102)]; 27+1 up to 34+1 (median 31+1) dorsal spines [Konkouré River basin: 29+1 up to 32+1 (median 31+1)]; no reduction of the pre-opercular spines with increasing length . No (exceptionally) up to 1 preorbital spine . 1 (very exceptionally) to 5 pre-opercular spines (median 2) . Origin of 1st dorsal spine situated posterior to posterior edge of pectoral fin, 4.8-47.4% HL (m=24.8); distance from anterior border of snout to last externally visible dorsal spine 52.6-61.5% SL (m=57.2), comparable to distance from anterior border of snout to last externally visible anal spine, 53.1-61.9% SL (m=57.8), both decreasing with size; post-anal length 42.3-50.9% SL (m=45.9) and increasing with size, shorter than pre-anal length, 48.5-56.8% SL (m=52.6) and decreasing with size, becoming equal to latter with increasing size; 6-12 caudal fin rays; 7-11 predorsal vertebrae; 37-42 abdominal vertebrae; 0-(+2) in-between vertebrae; 53-64 caudal vertebrae . : eel-like.
🌀 Behaviour
Behavioural data for Mastacembelus Liberiensis is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical west up to the Cess/Nipoué River basin in the east (Ref.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🌍CES | hrotočelec liberijský |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Aethiomastacembelus liberiensis | Boulenger | 1898 | Synonym |
| Caecomastacembelus laticauda | Ahl | 1937 | Synonym |
| Caecomastacembelus liberiensis | Boulenger | 1898 | Synonym |
| Caecomastacembelus reticulatus | Boulenger | 1911 | Synonym |
| Mastacembelus laticauda | Ahl | 1937 | Synonym |
| Mastacembelus reticulatus | Boulenger | 1911 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 22 records indexed .
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