Brown Ghost Knifefish
📖 Overview
Prefers fast flowing rivers . Forms loosely associated groups in rocky habitats or river banks . Nocturnal . Each individual fish possesses a unique spatiotemporal pattern of electric organ discharge (EOD) potentials distributed over the body surface . Chirps and EOD frequency modulations are important elements of courtship behavior and are sensitive to testosterone levels . Seems to reach sexual maturity at 1 year of age, based on breeding experiments . Tuberous electro receptors are differentiated and functional in larvae at day 9; electric organ and electro receptors both present in the larvae at the time of first exogenous feeding .
🔬 Taxonomy
🐟 Physical Description
Dorsal fin reduced to a dorsal filament;: elongated.
🌀 Behaviour
Behavioural data for Brown Ghost Knifefish is currently being reviewed.
🦐 Diet
Diet information for Brown Ghost Knifefish is currently being compiled.
🥚 Reproduction
Eggs of about 3 mm diameter are deposited in crevices. Several days up to 2-3 weeks between batch spawnings. Larvae hatch after 4 days and start feeding on day 11.
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical; 24°C - 28°C South America: the Guianas, Brazil and Peru; rivers of Colombia and Venezuela, including the Catatumbo River.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Brown Ghost Knifefish |
| 🌍CES | nožovka tenkonosá |
| 🇫🇮Finnish | Samettiveitsikala |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 2 records indexed .
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