🐍 Eels: Long, slender fish found in fresh & saltwater
📏 Size: From a few inches to several feet
🔍 Diversity: Over 1,000 species in 20 families across 8 suborders
🌊 Note: Some “eels” like Fire Eels are actually elongated fish, not true eels
🌿 Role: Important in ecosystems and popular with aquarists