Piranha
Piranha are a family of extremely aggressive freshwater fish. They are characterized by two rows of extremely sharp, triangular shaped teeth.
Fish Breeds
There are plenty of fish in the sea, but how do you know which type to choose for your aquarium? Whether you’re a beginner, intermediate or advanced aquarist, you need to know all about the new inhabitants you’re welcoming in your tank. Do you have a freshwater, brackish or saltwater tank? Choosing the right breed will largely depend on the type of water in your aquarium. Of course, when it comes to fish breeds, you’ll also need to know what do they eat, what types of fish will they get along with, how big will they grow – and we cover all of these important points in our Fish Breed section.
Instead of endlessly scrolling through pages and pages of breed characteristics, use Petguide.com’s Fish Breeds research tool for quick results. Choose the desired size and friendliness level of the species, as well as the type of aquarium you have, and instantly get a list of breeds that match your preferences. Need a saltwater species, that is large and non-aggressive? Or a small, feisty one that loves freshwater aquariums? Tick all the boxes and pick the breed you like best of the ones that are offered. Simple as that!
When you get the results, you can easily access all the main information about the species with just one click. Check if the breed you like is easy to care for, what to feed them, how to breed them, and which fishy friends they like spending time with. Petguide.com ensures that everything you need to know about the species is right at your fingertips!
Petguide.com’s Fish Breeds tool will help you create a thriving, beautiful ecosystem by choosing the right fauna for your tank. In case you need more information about fish care and aquarium maintenance, take a look at our Fish blog.
Rabbitfish
General description Rabbitfish are a fairly large family of colorful saltwater fish. They are characterized by their rectangular bodies and small, protruding…
Frogfish
The species known as frogfish are all members of the family Antennariidae which is sometimes known as the anglerfish family, especially in Australia.
Pacu
Pacu fish are a large family of freshwater fish related to the piranha. While some species look like piranhas, they are herbivores and are peaceful fish.
Ray Fish – Saltwater
The ray fish's skeleton is made up entirely of cartilage and it is characterized by its flattened body and large pectoral fins which are fused to its head.
Acara Cichlids
Most acara cichlids are somewhat aggressive and territorial and they have a tendency to eat smaller fish. Acaras come in a wide range of colors.
Platies
Platies are fairly small fish, growing no more than 3 inches long, and they are very peaceful and non-aggressive. These fish are usually drab in color.
Tigerfish
The Tigerfish is a type of freshwater fish belonging to the genus Datnioides (Datnoids). It's named for the vertical stripes that run all along its body.
Hap Cichlids
Hap cichlids exhibit a wide variety of colorations and patterns ranging from solid blue to multicolored combinations of red, orange, and purple.
Boxfish
Known as trunkfish, cowfish and cofferfish; boxfish are a family of bony marine fish. They are known for their square shaped body and heavy armored scales.
Unicornfish
Species belonging to the genus Naso are typically referred to as unicornfish because they have a long pointed protuberance in the middle of their heads.
Killifish
Killifish are a large family of freshwater fish comprising over a thousand different species. Most species are no more than an inch or two in size.
Mbuna Cichlids
Mbuna cichlids are some of the most brightly colored freshwater fishes in the world, exhibiting a wide range of colors and patterns.
Koi
Koi are one of the most popular types of pond fish. Their bodies, which are long and powerful, are very similar to that of the wild carp.
Wrasse
Wrasse are large family of saltwater fish made up of over 600 different species. They are also one of the most popular species of marine aquarium fish.
Freshwater Sharks
Freshwater sharks are a group of freshwater fish belonging to the minnow family. Freshwater sharks have long, powerful bodies and large dorsal fins,
Molly
The Molly is one of the most popular species of livebearers in aquarium culture. It is a hardy and adaptable species and are great for beginner aquarists.
Hawkfish
Hawkfish are species of saltwater fish closely related to the lionfish. They are characterized by their large heads and somewhat elongated, thick bodies.
Knifefish
Knifefish are a fascinating species of freshwater fish belonging to the eel family. They are characterized by their long, tapered bodies and anal fins.
Anglerfish
Anglerfish are a family of predatory fish consisting of over 200 separate species. They are characterized by their rod-like growths called illicium.
Danios
Danios are a popular species of freshwater fish in the aquarium hobby. They are characterized by two pairs of long barbells that hang from their mouth.
Clownfish
Clownfish are the most popular species of fish amongst saltwater aquarium enthusiasts. They are characterized by their beautiful colorations..
Moorish Idol
The Moorish idol is closely related to surgeonfish. These fish are characterized by their vertically compressed, disk-like bodies and bold colorations.
Goatfish
Saltwater Goatfish are members of the family Mullidae. These fish have the ability to change color quickly to blend in with their surroundings.
Dragonets
Dragonets are a family of small, vibrantly colored saltwater fish. There are over 130 species of dragonets identified and similar in appearance to gobies.
Glass Fish
The glass fish is a fascinating species of aquarium fish. Its most astounding feature is its transparent body which reveals its bones and internal organs.
Eels
Eels are one of the more fascinating species of fish in the aquarium trade. They are characterized by their long bodies and snake-like heads.
Gourami
Gourami are a relatively hardy species of freshwater aquarium fish and are thus suitable for most intermediate aquarists. Square shaped, compressed body.
Snappers
Snappers are generally non-aggressive fish that do well in very large saltwater community tanks. Most live in rocky or coral reefs, and come in many colors.
Scat
Also known as argus fish and spotted scats, scats are one of the most popular species of brackish water aquarium fish. They have square shaped bodies.
Butterflyfish
Butterflyfish are a family of saltwater fish made up of over 100 distinct species. They resemble angelfish and have compressed, disk shaped bodies.
Corydoras Catfish
Also known as cories or cory catfish, Corydoras catfish are bottom feeders and generally docile fish that do well in a community setting.
Sea Bream
Referred to as breams, sea bream are a group of saltwater fish belonging to the Sparidae family. Most are found in tropical to temperate marine waters.
Pufferfish – Saltwater
Pufferfish are a large family of saltwater fish. It can fill its elastic stomach with water until it expands to a large, almost globe-like shape.
Bichirs
Bichirs are a species of freshwater fish. They are characterized by their long, eel-like bodies and unique dorsal finlets. Capable of breathing surface air.
Lionfish
Lionfish are a species of fish belonging to the scorpionfish family. They are known for their bright colorations, flowing fins and venomous tentacles.
Dottyback
Dottyback are a family of small saltwater fish made up of over 100 distinct species. They are hardy, intelligent and vibrantly colored, making them popular
Scorpionfish
Scorpionfish are a family of marine fish comprised of over a 100 different species. They are counted among some of the most poisonous animals in the world.
Ray Fish
Rays are a large group of fish closely related to sharks. Ray fish are characterized by their flat bodies and a tough, elastic skeleton made of cartilage.
Parrotfish
Parrotfish are a marine fish with over 90 distinct species. They are characterized by their parrot-like beaks that are made of tightly compressed teeth.
Saltwater Sharks
Saltwater sharks are some of the most majestic and most dangerous species kept in the aquarium hobby. They are only recommended for advanced hobbyists.
Damselfish
Damselfish are a colorful species of saltwater fish popular in the modern saltwater aquarium hobby. They come from tropical coral reefs around the world.
Mono
Also known as the Malayan Angel and fingerfish, the mono is a beautiful species of brackish water fish. Monos are known by their diamond shaped bodies.
Trunkfish
A unique fact about Trunkfish: they secrete a poisonous material from their skin which acts as a chemical defense mechanism against predators.
Grunts
Grunts are a family of saltwater fish made up of 150 different sub-species, some of which have been successfully introduced to the aquarium hobby.
Archerfish
Archerfish are one of the most fascinating species of brackish water aquarium fish. They get their names from shooting insects with powerful jets of water.
Goldfish
Goldfish are one of the first species of fish to be domesticated and are also one of the most commonly kept aquarium pets. Peaceful and hardy fish breed.
Chromis
Chromis are an extremely popular family of saltwater fish. They are characterized by their slim, oval shaped bodies and bright colorations.
Squirrelfish
Squirrelfish are a family of ray-finned saltwater fish. They are characterized by their large eyes and long, sharp dorsal spines.
Foxface Rabbitfish
The foxface rabbitfish is a popular species of saltwater fish belonging to the rabbitfish family. When stressed, they can change to a mottled brown color.
Silver Dollar
Silver dollars are an extremely popular species of freshwater fish. They get their name from their almost round shaped bodies and silver coloring.
New World Cichlids
New World Cichlids are some of the most diverse freshwater fish species in the world. The colors and patterns of New World Cichlids are highly varied.
Lake Tanganyika Cichlids
There are more than 250 species of Lake Tanganyika cichlids that have been identified, in a wide variety of colors and patterns.
Porkfish
The name porkfish is usually used to describe a particular species of grunt that can be found in the tropical regions of the world.
Paradise Fish
Paradise fish are a colorful species of freshwater fish belonging to the gourami family. They were the first tropical fish to be imported 150 years ago.
Discus
Often regarded as the king of the freshwater aquarium, discus fish are one of the most beautiful species of aquarium fish; and one of the hardest to keep.
Guppy
One of the most commonly available species of freshwater aquarium fish, the guppy is a long favorite amongst aquarium enthusiasts worldwide.
Loaches
Loaches are a large family of highly intelligent freshwater fish. There are over 200 different species and they are characterized by their eel-like bodies.
Angelfish
Angelfish are one of the most popular species of freshwater fish in the aquarium hobby. They are characterized by their vertically compressed bodies.
Lake Victoria Cichlids
Lake Victoria cichlids are fairly aggressive fish. These cichlids are some of the most vibrantly colored freshwater fishes in the world.