Amphibians were species that could breathe both air and water, and were equally at home in either. Examples of sentient amphibious species included the Mon Calamari, the Chagrians, the Gungans, the Nautolans, the Aqualish, the Ishi Tib, and the Karkarodon. The planet of Dagobah was home to a number of quite common amphibian creatures.'
- Star Wars Rebels: Visual Guide: Epic Battles
- Star Wars Character Encyclopedia: Updated and Expanded
- Star Wars Helmet Collection 13 (Weapons & Uniforms: The Gungan Grand Army)
- Star Wars Helmet Collection 22 (Databank A-Z: Gungans–Rako Hardeen)
- Star Wars: Absolutely Everything You Need to Know, Updated and Expanded
- Star Wars: The Rebel Files
- Star Wars: The Galactic Explorer's Guide
- Star Wars Helmet Collection 79 (Databank A-Z: Zabrak–Zillo Beast)
- Disney Gallery: The Mandalorian – "Practical"
- ; image #2