Alligator Gar Swimming In An Aquarium In Gdynia, Poland

alligator gar gar auratus atractosteus armoured pike atractosteus spatula aquascope fish alligator rayfinned aquatic habitat fish tank tail aligator fin aquarium animal large pet underwater wildlife national geographic closeup environment tank under swim swimming fishing nat geo danger euryhaline water clear wild behavior natural background transparent beak marine aqua exotic nature planet glass tropical life