Fish & Aquarium
Complete species profiles to help you choose and care for your first aquarium fish. Each guide covers tank requirements, water parameters, feeding, compatibility, and health tips.
Amano Shrimp
The Amano Shrimp is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Angelfish
Angelfish are stunning freshwater fish known for their distinctive triangular shape and long, flowing fins. Despite their graceful appearance, they are cichlids with personality that can become true pets in your aquarium.
Apistogramma
Apistogrammas are a genus of stunning dwarf cichlids renowned for their incredible color diversity and fascinating behaviors. Males display brilliant reds, yellows, and blues.
Betta Fish
Betta fish are stunningly beautiful freshwater fish known for their vibrant colors and flowing fins. Despite their small size, they have big personalities and make excellent pets for first-time fish keepers willing to learn their specific care requirements.
Black Skirt Tetra
Black Skirt Tetras are active, peaceful fish known for their distinctive black dorsal and anal fins that resemble flowing skirts. These schooling fish display fascinating group behavior and bring constant gentle movement to aquariums.
Bleeding Heart Tetra
The Bleeding Heart Tetra is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Blue Acara
Blue Acaras are moderately-sized South American cichlids admired for their stunning metallic blue coloring and surprisingly peaceful temperament. These intelligent fish offer cichlid enthusiasts beauty and personality without the extreme aggression of many cichlid species.
Bolivian Ram
Bolivian Rams are peaceful dwarf cichlids known for their subtle beauty and calm disposition. These fish display warm yellow-brown bodies with striking black markings and red highlights in their fins.
Bristlenose Catfish L144
The Bristlenose Catfish L144 is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Bristlenose Pleco
Bristlenose Plecos are peaceful catfish known for their distinctive bristle-like tentacles and exceptional algae-eating abilities. They're excellent tank cleaners that stay smaller than most other pleco species.
Buenos Aires Tetra
The Buenos Aires Tetra is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Cardinal Tetra
Cardinal Tetras are stunningly beautiful fish known for their brilliant red and blue stripes that run the entire length of their body. They are peaceful schooling fish that create breathtaking displays in groups.
Celestial Pearl Danio
Celestial Pearl Danios, also known as Galaxy Rasboras, are breathtakingly small fish adorned with pearl-like spots on dark bodies and bright red fins. These peaceful schooling fish bring unmatched beauty to nano aquariums.
Cherry Barb
Cherry Barbs are small, peaceful cyprinids known for the vibrant red coloration of males. Unlike many barb species, they are gentle and non-aggressive, making them perfect for peaceful community tanks.
Chili Rasbora
Chili Rasboras are miniature fish named for their intense red coloration and peaceful disposition. These tiny schooling fish create a stunning display in groups, resembling flickering flames in a well-planted aquarium.
Chocolate Gourami
The Chocolate Gourami is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Clown Loach
Clown Loaches are beloved freshwater fish known for their bright orange and black striped pattern and entertaining social behavior. These playful fish are favorites among aquarists for their personality and amusing habit of sleeping on their sides.
Clownfish
Clownfish are vibrant orange and white saltwater fish famous for their symbiotic relationship with sea anemones. Hardy and captivating, they are among the most popular marine aquarium fish for both beginners and experienced hobbyists.
Congo Tetra
The Congo Tetra is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Convict Cichlid
Convict Cichlids are hardy Central American cichlids named for their distinctive black vertical stripes resembling prison uniforms. Known for their incredible ease of breeding and devoted parental care, they are popular beginner cichlids despite their feisty temperament.
Corydoras Catfish
Corydoras are peaceful, social catfish that live at the bottom of the aquarium. Known for their adorable appearance and helpful nature, they're excellent additions to community tanks and help keep the substrate clean.
Denison Barb
Denison Barbs, also known as Miss Kerala, are stunning Indian fish named for their distinctive red line running along their silver bodies. These active schooling fish bring constant movement and beauty to larger aquariums.
Diamond Tetra
The Diamond Tetra is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Discus
Discus are stunningly beautiful freshwater fish known as the King of the Aquarium. Their vibrant colors, graceful movements, and unique round body shape make them a prized centerpiece fish for dedicated aquarists willing to meet their specific care needs.
Dwarf Gourami
Dwarf Gouramis are small, peaceful labyrinth fish known for their stunning iridescent colors. Like Bettas, they breathe atmospheric air, making them unique and interesting additions to community tanks.
Dwarf Puffer
The Dwarf Puffer is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Electric Blue Acara
Electric Blue Acaras are stunning cichlids named for their brilliant metallic blue coloration. Unlike many cichlids, these fish are remarkably peaceful and suitable for community aquariums.
Ember Tetra
Ember Tetras are diminutive fish named for their brilliant orange-red coloration that glows like embers in an aquarium. Despite their tiny size, these peaceful schooling fish bring vibrant color and constant gentle activity to planted tanks.
Endler Tiger
The Endler Tiger is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Endlers Livebearer
Endlers Livebearers are tiny, brilliantly colored freshwater fish that bring incredible vibrancy to nano and community aquariums. Related to guppies, they are hardy, peaceful, and prolific breeders, making them an excellent choice for beginners.
Featherfin Catfish
The Featherfin Catfish is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Firemouth Cichlid
Firemouth Cichlids are striking Central American cichlids named for their brilliant red-orange throat and belly coloring. These moderately aggressive fish display fascinating territorial behavior and make impressive centerpiece fish for medium to large aquariums.
Glass Catfish
Glass Catfish are one of the most visually unique freshwater fish, with completely transparent bodies that reveal their skeleton and internal organs. These peaceful schooling fish create an ethereal display that never fails to captivate aquarium visitors.
Goldfish
Goldfish are one of the most recognizable and beloved aquarium fish in the world. Despite their common reputation as simple bowl fish, they are intelligent, social creatures that can live for decades with proper care.
Green Neon Tetra
Green Neon Tetras are tiny jewel-like fish that display an intense iridescent green-blue horizontal stripe. Smaller and more vibrantly colored than regular Neon Tetras, these delicate nano fish create breathtaking displays when kept in large schools.
Guppy
Guppies are among the most popular aquarium fish worldwide, known for their brilliant colors, playful personalities, and ease of breeding. These small livebearers are perfect for beginners and experienced aquarists alike.
Harlequin Rasbora
Harlequin Rasboras are peaceful, striking freshwater fish recognized by their distinctive triangular black patch. Their shimmering copper-orange body and calm schooling behavior make them one of the most popular community tank fish for beginners.
Hillstream Loach
Hillstream Loaches are fascinating fish specially adapted to life in fast-flowing streams. Their flattened bodies and modified fins act like suction cups allowing them to cling to rocks against strong currents.
Honey Gourami
Honey Gouramis are small, peaceful fish known for their warm honey-orange coloration and shy but endearing personalities. These labyrinth fish breathe atmospheric air like Bettas but are far less aggressive.
Keyhole Cichlid
Keyhole Cichlids are one of the most peaceful cichlid species, named for the distinctive keyhole-shaped marking on their flanks. These gentle fish are perfect for community tanks and provide cichlid enthusiasts with fascinating behavior without the aggression.
Kuhli Loach
Kuhli Loaches are fascinating eel-like bottom-dwelling fish with distinctive banded patterns. Nocturnal and peaceful, these unique freshwater fish bring personality to any community aquarium and are especially valued for their substrate-cleaning habits.
Leopard Danio
The Leopard Danio is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Marble Hatchetfish
The Marble Hatchetfish is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Molly
Mollies are peaceful, attractive livebearer fish that come in various colors including black, white, gold, and dalmatian-spotted. They are hardy, active swimmers that adapt well to different water conditions.
Mystery Snail
The Mystery Snail is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Neon Tetra
Neon Tetras are small, brilliantly colored freshwater fish known for the iridescent blue stripe running along their body and bright red tail. They are peaceful, schooling fish that create stunning displays when kept in groups.
Nerite Snail
The Nerite Snail is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Oscar
Oscars are large, intelligent, and charismatic freshwater cichlids known for their dog-like personalities. They recognize their owners, beg for food, and display fascinating behavior, making them one of the most interactive pet fish available.
Otocinclus Catfish
Otocinclus Catfish are tiny, peaceful algae-eating fish beloved by planted tank enthusiasts. These gentle bottom-dwellers work tirelessly to keep aquarium glass and plants clean, making them one of the best natural algae control solutions available.
Paradise Fish
The Paradise Fish is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Pea Puffer
Pea Puffers, also known as Dwarf Puffers, are fascinating freshwater fish with enormous personalities packed into tiny bodies. These intelligent fish recognize their owners and display behaviors unlike any other aquarium fish.
Peacock Cichlid
Peacock Cichlids are among the most colorful freshwater fish in the aquarium hobby. Native to Lake Malawi in Africa, these stunning cichlids display brilliant iridescent colors that rival saltwater fish, making them centerpiece fish for experienced aquarists.
Pearl Gourami
Pearl Gouramis are elegant freshwater fish adorned with a stunning pattern of white pearl-like spots across their body. Peaceful, hardy, and beautifully iridescent, they make an excellent centerpiece fish for community aquariums of moderate size.
Platy
Platies are small, peaceful livebearer fish known for their bright colors and active personalities. Available in red, orange, yellow, blue, and many other color varieties, they are perfect for community tanks.
Pygmy Corydoras
Pygmy Corydoras are adorable miniature catfish that bring personality and cleaning ability to nano aquariums. Unlike their larger Corydoras cousins, these tiny fish are mid-water swimmers that create charming schooling displays throughout the aquarium.
Rainbow Cichlid
The Rainbow Cichlid is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Ram Cichlid
Ram Cichlids are small, strikingly colorful freshwater fish known for their peaceful temperament and vivid blue, gold, and red coloration. Unlike many cichlids, they thrive in community tanks and are among the most beautiful dwarf cichlids available.
Red Cherry Shrimp
The Red Cherry Shrimp is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Red Phantom Tetra
The Red Phantom Tetra is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Rosy Barb
The Rosy Barb is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Royal Pleco
Royal Plecos are striking large catfish with intricate maze-like patterns on their bodies. These wood-eating nocturnal fish are prized for their stunning appearance and fascinating behavior of consuming driftwood as a primary food source.
Rummy-Nose Rasbora
The Rummy-Nose Rasbora is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Rummy Nose Tetra
Rummy Nose Tetras are elegant schooling fish instantly recognizable by their bright red noses and striped tails. Their tight schooling behavior and sensitivity to water conditions make them both a beautiful display fish and a reliable water quality indicator.
Scarlet Badis
The Scarlet Badis is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Severum
The Severum is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Siamese Algae Eater
Siamese Algae Eaters are peaceful fish renowned for their exceptional algae-eating abilities. These active bottom-dwellers provide invaluable service controlling algae while adding movement to aquariums.
Silver Dollar
The Silver Dollar is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
Sparkling Gourami
Sparkling Gouramis are tiny iridescent fish that literally sparkle under aquarium lighting. These unique labyrinth fish are known for producing audible croaking sounds and display stunning blue and red iridescent spots across their entire body.
Swordtail
Swordtails are vibrant, hardy freshwater fish named for the distinctive elongated lower tail fin found on males. Available in numerous color varieties, they are peaceful community fish that are easy to care for and breed, perfect for beginners.
Threadfin Rainbowfish
Threadfin Rainbowfish are exquisite nano fish known for their dramatic thread-like fin extensions and subtle iridescent coloring. Males display spectacular elongated fins during courtship creating one of the most elegant displays in the freshwater aquarium hobby.
Tiger Barb
Tiger Barbs are energetic, boldly striped freshwater fish that bring constant movement and visual interest to aquariums. Best kept in groups of six or more, these active schooling fish are hardy and entertaining, though they can be nippy with slow tankmates.
White Cloud Gold
The White Cloud Gold is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.
White Cloud Mountain Minnow
White Cloud Mountain Minnows are small, colorful fish native to mountain streams of China. These peaceful schooling fish are renowned for their exceptional hardiness and ability to thrive in unheated aquariums.
Zebra Danio
Zebra Danios are small, striped fish known for their incredible energy and hardiness. These active swimmers are perfect for beginners and add constant motion and life to any aquarium.
Zebra Pleco
The Zebra Pleco is a popular aquarium species appreciated for its distinctive appearance and interesting behavior. Whether you are a beginner or experienced aquarist, this species brings color and activity to freshwater community tanks while remaining manageable to care for.