Orange Lined Gobies graze on hair algae as their primary food source, and wild caught specimens may be hesitant to try prepared foods. For this reason, aquacultured gobies are recommended. ... Most of the time, tank bred fish are already trained to eat frozen food, flakes, and pellets in addition to hair algae.

Does a goby eat algae?

This species is a herbivore feeding on algae off rocks on the bottom of the guts. Approaching the gut these species of fish appear to swim off frantically. Depending on the time of year and location, you may able to observe the spotted algae-eating goby due to its iridescent blue-green color.

What do you feed gobies?

Goby fish are carnivorous fish that will eat both plant and animals. Feeding the fish pellet or artificial food and live foods is just okay. Some of the common foods that they can be offered include; daphnia, live brine shrimp, blood worms, and Cyclops.