🐟Black ghost knifefish
The black ghost knifefish is a tropical ornamental fish belonging to the ghost knifefish family (Apteronotidae). They originate in freshwater habitats in South America where they range from Venezuela to the Paraguay–Paraná River, including the Amazon Basin. They are popular in aquaria. The fish is all black except for two white rings on its tail, and a white blaze on its nose, which can occasionally extend into a stripe down its back. It moves mainly by undulating a long fin on its underside. It will grow to a length of 45–50 centimetres (18–20 in).
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2022.
- Body mass
- not recorded
- Body length
- 0.5 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- not recorded
Everything we know about the Black ghost knifefish
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body length0.5 mmaximum recordedFishBaseDetails ↓Hide ↑
Source: FishBase · v25.04 · CC BY-NC 4.0
Trophic level3.03FishBaseDetails ↓Hide ↑
Source: FishBase · v25.04, estimate table · CC BY-NC 4.0
DietcarnivoreaverageDetails ↓Hide ↑
From trophic level 3.03 (FishBase): <2.2 herbivore, 2.2–2.8 omnivore, >2.8 carnivore.
Danger to humansharmlessFishBaseDetails ↓Hide ↑
Source: FishBase · v25.04 · CC BY-NC 4.0
average = a mean across sexes or species in a group.
Not recorded for Black ghost knifefish yet: body mass, shoulder height, top speed, bite force, maximum lifespan.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›orderGymnotiformes
- ›familyApteronotidae
- ›genusApteronotus
- ›speciesApteronotus albifrons
- superclassRay-finned fish · Actinopterygii
- superorderCharaciphysae
- orderGymnotiformes
- familyApteronotidae
All 11 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassRay-finned fish · Actinopterygii
- classActinopteri
- subclassNeopterygii
- superorderCharaciphysae
- orderGymnotiformes
- familyApteronotidae
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