📸 PhotoPhoto: Mattia Nocciola · CC BY-SA 4.0 · Wikimedia Commons Source
Black ghost
Apteronotus albifrons (Black ghost · ブラックゴースト)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum total length of 50 cm is more than one and a half 30 cm rulers (Comparison).
- 💡 It is commercially traded as an aquarium fish (FishBase).
Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.
📖 1. Overview
The Black ghost is a knife-shaped fish that lives in South American creeks and produces weak electricity. It is traded as an aquarium fish.
🦴 2. Anatomy & Morphology
Its body is long and stretched out. It has an electric organ that gives off weak electric discharges, and electroreceptors that sense electricity are spread from its head to its tail.
🔍 3. Ecology & Behavior
It lives in fast-flowing creeks with sandy bottoms and is active at night. It is a small hunter that preys on insect larvae.
🇰🇷 4. Connection to Korea
No direct record connecting this species to Korea has been found.
📚 Sources & References
- • IUCN Red List LC (2022) — https://www.iucnredlist.org/species/49829499/159047904
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • catalogueoflife.org — FYRB
- • iucnredlist.org — 159047904
- • wikidata.org — Q1421523
- • commons.wikimedia.org — File:Apteronotus albifrons Natural History Museum University
- • fishbase.se — Apteronotus-albifrons.html
- • Silhouette: PhyloPic — author not recorded · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.