New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌿 Sustainable Seafood ⚡ Omega-3 Rankings 🔬 Mercury Safety 🏆 World Records 🎣 Fishing Licenses
API Docs
Get API Key →
Family Order: Gymnotiformes 🍽️ 2 Edible

Apteronotidae

Species
91
Genera
10
Max Length
129 cm
Max Weight
-
Avg Trophic
3.31
Threatened
2

🌐 Geographic Distribution

Brazil
16 spp.
Venezuela
12 spp.
Colombia
11 spp.
Peru
7 spp.
Ecuador
2 spp.
GF
1 spp.
Paraguay
1 spp.
Argentina
1 spp.
Suriname
1 spp.
Mexico
1 spp.

🔬 Ecology & Feeding

Shallowest
1 m
Deepest
30 m

🌍 Habitat Distribution

💧 Freshwater
91

🛡️ Conservation Status Distribution

LC
VU
DD
Least Concern 50
Near Threatened 2
Vulnerable 9
Endangered 2
Critically Endangered 5
Data Deficient 14

🐟 Species in Apteronotidae

91 total
Apteronotus Magoi
Apteronotus magoi
LC 💧 Freshwater
Apteronotus Mariae
Apteronotus mariae
LC 💧 Freshwater
Apteronotus Milesi
Apteronotus milesi
DD 💧 Freshwater
Apteronotus Pemon
Apteronotus pemon
DD 💧 Freshwater
Apteronotus Rostratus
Apteronotus rostratus
LC 💧 Freshwater
Apteronotus Spurrellii
Apteronotus spurrellii
VU 💧 Freshwater
aquarium
Apteronotus bonapartii
LC 💧 Freshwater Edible
aquarium
Porotergus gymnotus
LC 💧 Freshwater Edible
Axelrod's tube-snouted ghost knifefish
Sternarchorhynchus axelrodi
NT 💧 Freshwater
Black ghost
Apteronotus albifrons
LC 💧 Freshwater
Britski's tube-snouted ghost knifefish
Sternarchorhynchus britskii
DD 💧 Freshwater
Brown Ghost Knifefish
Apteronotus leptorhynchus
EN 💧 Freshwater
Cabocolo tube-snouted ghost knifefish
Sternarchorhynchus caboclo
VU 💧 Freshwater
Chao's tube-snouted ghost knifefish
Sternarchorhynchus chaoi
DD 💧 Freshwater
Crampton's tube-snouted ghost knifefish
Sternarchorhynchus cramptoni
LC 💧 Freshwater
Curumim tube-snouted ghost knifefish
Sternarchorhynchus curumim
LC 💧 Freshwater
Freeman's tube-snouted ghost knifefish
Sternarchorhynchus freemani
LC 💧 Freshwater
Galibi tube-snouted ghost knifefish
Sternarchorhynchus galibi
NT 💧 Freshwater
Gnomus tube-snouted ghost knifefish
Sternarchorhynchus gnomus
CR 💧 Freshwater
Goeldi's tube-snouted ghost knifefish
Sternarchorhynchus goeldii
LC 💧 Freshwater
Hagedorn's tube-snouted ghost knifefish
Sternarchorhynchus hagedornae
LC 💧 Freshwater
Higuchi's tube-snouted ghost knifefish
Sternarchorhynchus higuchii
CR 💧 Freshwater
Inpa tube-snouted ghost knifefish
Sternarchorhynchus inpai
VU 💧 Freshwater
Ituí-maraúna
Tembeassu marauna
CR 💧 Freshwater