From: Diversity, phylogenetic distribution, and origins of venomous catfishes
Taxon | # Presumed Venomous |
---|---|
Actinopterygii - Ray-finned fishes | ≈1835 - 2275 species |
   Siluriformes - Catfishes | ≈1250-1625 species |
   Acanthomorpha - Spiny-rayed fishes | ≈585-650 species |
Chondrichthyes - Cartilaginous fishes | ≈200 species |
Sarcopterygii - Lobe-finned fishes and tetrapods | ≈685+ species |