Tang
A hardy family of active reef grazers with a wide range of colors and body shapes. Tangs cruise open water, browse algae, and need plenty of room to move.
- Food
- Basic Food, Algae Wafers, Brine Shrimp
- Diet
- Herbivore
Fish Encyclopedia
Browse Bubble Borough’s fish encyclopedia to discover freshwater and saltwater species, their behavior, diet, and aquarium needs.
Goldfish
A familiar favorite with a round body, flowing fins, and an easygoing personality. Goldfish spend their days calmly exploring the tank and checking out just about everything. Fun fact: Not actual gold. Who knew?
- Food
- Basic Food, Algae Wafers, Brine Shrimp
- Diet
- Herbivore
Guppy
A small, colorful fish with a big personality and a flowing tail. Guppies are lively swimmers that alternate between quick bursts of energy and relaxed cruising around the tank.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Betta
A striking fish known for its flowing fins, bold colors, and unmistakable presence. Bettas are graceful swimmers, but they can be highly territorial and aggressive, especially around other bettas.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Clownfish
A colorful, energetic fish known for its bold stripes and curious personality. Clownfish often form close bonds with anemones and tend to stick near a favorite part of the tank.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Angelfish
A graceful fish known for its tall body, long fins, and slow, sweeping movements. Angelfish usually carry themselves calmly, but they can become territorial as they mature, especially when pairing or breeding.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Pufferfish
A curious little oddball with a round body, expressive face, and plenty of personality. Pufferfish are known for investigating their surroundings and, when seriously threatened, inflating themselves into a much larger shape.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Rainbowfish
A lively, shimmering fish known for its metallic colors and graceful movement. Rainbowfish are active, social swimmers that look especially striking as they glide through the tank and catch the light.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Discus
An elegant, round-bodied fish known for its striking colors and calm, deliberate movement. Discus tend to glide gracefully through the tank and have a reputation for being a little more delicate than the average aquarium fish.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Black Moor Goldfish
A distinctive goldfish known for its deep black coloring, rounded body, and large telescope eyes. Black Moors are gentle, unhurried swimmers that tend to drift calmly around the tank.
- Food
- Basic Food, Algae Wafers, Brine Shrimp
- Diet
- Herbivore
Pencilfish
A slender, peaceful fish known for its golden coloring and delicate shape. Golden Pencilfish prefer staying near plants and cover, moving in relaxed groups with the occasional quick burst or harmless sparring display.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Gourami
A graceful fish known for its flowing fins, long feelers, and calm presence. Gouramis tend to move at an easy pace and often explore the tank with slow, deliberate turns near the surface.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Tetra
A peaceful family of schooling tetras with luminous colors and varied patterns. Tetras thrive in groups and bring lively motion to freshwater tanks.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Molly
A hardy, easygoing fish known for its rounded shape, active nature, and friendly demeanor. Mollies spend much of their time steadily exploring the tank and tend to get along well with other peaceful fish.
- Food
- Basic Food, Algae Wafers, Brine Shrimp
- Diet
- Herbivore
Swordtail
A sleek, active fish best known for the long, sword-like extension on the male’s tail. Swordtails are livebearers, giving birth to free-swimming young instead of laying eggs, and spend much of their time confidently cruising the tank.
- Food
- Basic Food, Algae Wafers, Brine Shrimp
- Diet
- Herbivore
Piranha
A sharp-toothed predator with a reputation that speaks for itself. Piranhas hunt in groups, ignore ordinary pellets, and will quickly turn most living tankmates into lunch. Why buy one? Seriously. Why?
- Food
- Chum
- Diet
- Chum
Koi
A large, peaceful ornamental carp bred for bold colors and striking patterns. Koi are steady, social swimmers that cruise open water and nose around the bottom for food, so they appreciate plenty of room to move.
- Food
- Basic Food, Algae Wafers, Brine Shrimp
- Diet
- Herbivore
Lionfish
A slow, deliberate reef predator with broad fan-like fins and venomous spines. Lionfish hover near rockwork and shelter, then stalk chum with outstretched fins before a sudden short strike.
- Food
- Chum
- Diet
- Chum
Seahorse
A delicate, upright swimmer that prefers drifting to rushing. Seahorses spend much of their time hovering near plants and other perches, often using their curled tails to hold on while they rest and watch the tank around them.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Pilot Fish
An active, curious fish known for following larger animals through open water. In the wild, Pilot Fish often shadow sharks and other big swimmers, picking through scraps and investigating whatever their much larger companions leave behind.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Nerite Snail
A slow freshwater algae grazer that patrols hard surfaces and helps keep algae and grime under control.
- Food
- Algae Wafers
- Diet
- Detritus
Firefish
A tiny reef dartfish with a glowing magenta tail. Firefish hover above a favorite crevice, then flash back to safety when nervous.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Six-Line Wrasse
A quick striped reef explorer that threads through gaps in rockwork, always searching for tiny morsels hidden in crevices.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Coral Beauty Angelfish
A jewel-toned dwarf angelfish that glides around reef structures, alternating calm browsing with short, curious explorations.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Turbo Snail
A hardy saltwater algae grazer that slowly patrols hard surfaces and helps control algae and grime.
- Food
- Algae Wafers
- Diet
- Detritus
Assessor
A natural assessor with selectable appearances.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Barb
A natural barb with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Basslets & Grammas
A natural basslets grammas with selectable appearances.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Cardinal
A natural cardinal with selectable appearances.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Chromis
A natural chromis with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Lookdown
A tall, reflective saltwater schooling fish with a steep forehead and a bright metallic body.
- Food
- Basic Food, Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Cichlid
A natural cichlid with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Danio
A natural danio with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Dottyback
A natural dottyback with selectable appearances.
- Food
- Brine Shrimp, Carnivore Food
- Diet
- Carnivore
Endler
A natural endler with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Mosquitofish
A natural mosquitofish with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Platy
A natural platy with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Rasbora
A natural rasbora with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Killifish
A natural killifish with selectable appearances.
- Food
- Basic Food, Brine Shrimp
- Diet
- Omnivore
Project information
Bubble Borough Beta
- Current beta
- Loading…
- Last pushed
- Loading…
Have a suggestion for Bubble Borough?Share it through the feedback form.
Open Feedback Form
Want to support the creator?Donations help keep Bubble Borough free.
Support the Creator