The Kissing loach is scavengers that are also omnivorous. As They can be bottom feeders, they don't seem to be typically picky about the things they consume. The hatchetfish is an interesting tropical fish that spends its daily life up for the floor from the tank. These fish escape predators https://aquariumtankrental.politics.blog/2024/09/13/how-to-buy-aquarium-cleaning-services-kajang/