Some algae-eating fish for ponds are Siamese and Chinese algae eaters, common plecostomus, twig catfish and flying fox. To control algae growth in ponds, it is important to get the right type of fish. This can depend on ... More » Science Biology Zoology

Algae-eating fish keep goldfish ponds free of algae and help control algae outbreaks without the necessity of removing the water from the pond. Replacing the water is potentially fatal to the fish and disrupts the ecolog... More » Home & Garden Outdoor

To control green algae in a fish pond, install a filter, minimize the amount of organic runoff entering the pond, vacuum debris from the pond bottom, and avoid overfeeding the fish. Add floating aquatic plants to the pon... More » Pets & Animals Pets Aquatic Pets

Recommended bait for a catfish such as a bullhead, which is found in small lakes and ponds, are worms, bits of chicken liver, meal soaked in blood or other fish. Bullheads eat nearly anything that is offered to them. More » Sports & Active Lifestyle Water Sports & Activities

Freshwater herbivores include mollies, pacu and most species of plecostomus. Mollies are small livebearers similar to guppies, while pacus are large egg-layers that are similar to the red belly piranha. Both can thrive o... More »

The plecostomus, more commonly known as the suckermouth catfish, is omnivorous and feeds on algae, blood worms, aquatic plants and small crustaceans such as brine shrimp. In captivity it can be fed a diet of pellets, spi... More » Science Biology Zoology

Bristlenose catfish are algae-eating fish found in the tropics of South America. Males grow to 15 centimeters long, and females grow to 12 centimeters. Bristlenose catfish are also known as bushynose catfish, bristlenose... More » Pets & Animals Marine Life Fish