Freshwater Fish

  • Chocolate Gourami: Care, Size, Tank Size & Tank Mates
    Chocolate Gouramis (Sphaerichthys osphromenoides) have an oval-shaped body. When you look at them, they even look almost flat. They have small heads in proportion to their bodies, and they have a sharply pointed nose. As its name suggests, its body is a dark chocolate color. It can vary with different hues of brown from reddish to green. They have 5 stripes that run vertical along their bodies. These stripes can range in color from a yellowish gold to an orangish. Their black fins have an accordian fold look to them. The fins are tipped with the same colorations as the vertical stripes. Interestingly enough, the males tend to be a more reddish coloration. Male Chocolate Gouramis are larger at full maturity than the females are. Females tend to have a more rounded jaw. This is because the Chocolate Gourami female will brood her eggs in her mouth.
  • Fahaka Puffer: Care, Tank Size, Tank Mates, Food & Size
    The Fahaka Puffer fish (Tetraodon lineatus) has a light tannish to brownish body that fades into a light yellowish white underbelly. Fahaka Puffer fish also have horizontal stripes on their bodies that run from the start of their pectoral fin to their tail. Fahaka Puffer fish, like all species of puffer fish, have the ability to puff themselves up with air or water when they feel threatened. When the Fahaka Puffer has puffed itself up, it reveals that it has tiny spikes all over its skin. These spikes are a form of self-defense that makes them a lot less appealing to predators.
  • Candy Cane Tetra: Care, Size, Food, Tank Mates & Aggression
    Candy Cane Tetras (Hyphessobrycon bentosi) have an almost salmon colored hue to their bodies. This coloration can range from the light salmon to a more pinkish hue. They are similarly colored to the Rosy Tetra, but the Candy Cane Tetra has a more transparent body. The fins of the Candy Cane Tetra have a bright red on them, and they will always have white tipped dorsal fins. Candy Cane Tetra can also be identified by a faintly colored, greyish shoulder patch. It is easier to tell the males from the females when they reach maturity. The males tend to have longer dorsal fins, and the females tend to be more plump.
  • Auratus Cichlid: Care, Tank Mates, Aggression & Breeding
    The Auratus Cichlid (Melanochromis auratus) are well-known for its aggressiveness as well as its unique features. They are considered the most aggressive member of the Mbuna group. Auratus cichlid are so aggressive that they are known to terrorize fish that are double their size. They are native to Lake Malawi in Africa. In their natural environment, they can normally be seen in groups of 8-10.
  • Starry Night Cichlid: Care, Tank Mates, Breeding & Diet
    Starry Night Cichlids have impressive markings. Like most Cichlids, they have an almost Perch shaped body. They have dark brown to black colored bodies, and silver-blue speckles. The dark body coloration in addition to the sparkles, give the Starry Night Cichlid a similar appearance to a dark, clear night full of stars. In the wild, this gives them a sort of camouflage, and allows them to be able to catch prey that they otherwise would not have been able to catch.
  • Sumo Loach (Schistura balteata): Care, Size & Tank Mates
    Sumo Loaches can be identified by their long thin body, and their interesting markings. Sumo Loaches come from fast moving, low streams, and their coloration will vary depending on the location they are caught, but most Sumo Loaches display a tanish to yellowish-green body color with orange to black colored, vertical stripes on the middle of their bodies. Their fins are transparent, except for their dorsal fin. The Sumo Loach’s dorsal fin has black spots. Sumo Loaches have barbels under their mouths. These barbels help the Sumo Loach detect food.
  • Betta Mahachaiensis: Care, Food, Breeding & Lifespan
    The betta mahachaiensis is a wild species from the betta family. It is a tropical fish that originates from the Samut Sakhon Province in Thailand, which is southwest of Bangkok. It is a newly discovered fish, found recently in 2012, and there isn’t as much information on them as other fish since scientists are still studying all about them. The betta mahachaiensis live in stagnant brackish and fresh waters such as ponds, swamps and pools. They are actually hard to catch and find due to their habitat.
  • Emerald Dwarf Rasboras: Care, Size, Breeding & Tank Mates
    Emerald Dwarf Rasboras are a shoaling fish that thrives in a group rather than being a solitary fish. The minimum size tank that Emerald Dwarf Rasboras require is a 10 gallon. A 10 gallon tank can house up to 6 Emerald Dwarf Rasboras. They tend to fare better in a 20 gallon size tank so that a larger group can be kept together. They are a busy little fish, and the more Emerald Dwarf Rasboras that are housed together, the more active they will become in displaying all their natural behaviors.
  • Hygrophila Corymbosa: Planting, Care, Propagation & Height
    The hygrophila corymbosa is a simple plant that is fairly easy to care for. There are a few subspecies of the hygrophila corymbosa, though that are similar in most characteristics. This aquatic plant creates a beautiful view with its long, slim leaves that are tapered at each end. This stem plant is bright green in color and can sometimes change colors based on the amount of lighting it receives. The hygrophila corymbosa is known to change to a dark green color, as well as pink, red and even purple. When partially submerged, this aquatic plant has the ability to produce pink and purple flowers. In the wild, the giant hygro can grow to be up to 24 inches in height but when in a tank, the plant grows to be 3 to 5 inches tall.
  • Neon Blue Rasbora: Care, Size, Tank Size & Tank Mates
    Neon Blue Rasbora (Sundadanio Axelrodi) are small aquarium fish that are great for nano tanks. Having an aquarium is very exciting and can even be beneficial for one’s health and
  • Betta Smaragdina: Care, Lifespan, Breeding & Aggression
    Betta Smaragdina is an interestingly colored species of Betta fish. It has an iridescent sheen covering its body that even extends outward towards its fins. Their main body color can be a few different colors such as red, orange, blue, and green. They come in a variety of colors, but they always have the iridescent sheen of green-blue scaling. They have medium length fins when compared to other species of Betta, and their fins have a striped pattern to them.
  • Water Cow Goby: Care, Tank Size, Max Size & Tank Mates
    Water Cow Gobies are one of the larger fish to keep in the fishkeeping hobby. They require a large tank, but they are an interesting fish to keep. They aren’t particularly colorful, but they have a mix of browns and tans on their bodies. These colors are beneficial in the wild so that they can hunt smaller fish. This camouflage in addition to its slow moving nature helps it to be an efficient hunter. Water Cow Gobies have been known to have a greyish color to their bodies as well. Water Cow Gobies’ coloration will change from lighter to darker, seemingly with their mood, but this is more likely just for camouflage purposes so that they can be effective hunters. With several types of Gobies for sale online, it can be difficult to find a seller who is selling a true Water Cow Goby, and not another species of Goby just mislabelled.
  • Lemon Tetra Care: Tank Size, Food, School & Breeding
    It is no secret that one of the most popular fish to add to your aquarium are tetra fish. However, one of the more uncommon type of species is the
  • Phoenix Rasbora Care: Size, Food, School Size & Tank Size
    Phoenix Rasboras are vibrantly colored and active nano schooling fish. They are often misidentified because they are marked very similarly to other Rasboras. Phoenix Rasbora has black spots on its body and has a bright orange-red around each one. The bright orange-red coloration connects together, and extends towards the head. The vibrant coloration is only present around the black spots of the fish, and the rest of the body of the Phoenix Rasbora is a dullish grey color that fades into a transparent color towards the fins. The fins have some red markings at the ends. The black spot in the middle of the body is much darker than in other Rasboras. In addition, Phoenix Rasboras lack the black line that runs along the body of other Rasboras.
  • Betta Imbellis ‘Peaceful Betta’: Care, Lifespan, Aggression
    Betta Imbellis are known as Peaceful Betta, but they can still show aggression and be territorial. If you are planning on housing your Betta Imbellis with other species of fish, you will want to make sure that you have a large enough tank, and that you choose a fish to cohabitate that is calm and will not bully your Betta Imbellis. There are peaceful schooling fish such as neon tetras that would be great tank mates with Betta Imbellis, providing that there is enough room in the aquarium.
  • Tiger Barb Care: Tank Setup, Tank Mates, Breeding & Disease
    Tiger Barbs are active fish, and they require a minimum of a 20 gallon tank for a small school of 5 fish. If you are wanting more Tiger Barbs in your school, then you will want to add an additional 3 gallons per fish after that. You should maintain tropical water temperatures between 75 and 82°F, with a pH between 6.0-8.0 in your Tiger Barb Tank. The substrate of the tank should be a sandy gravel, and they will need plenty of aquarium plants and decor to finish out their tank to make it closely mimic their natural habitat in the wild.
  • Alien Betta: Care, Size, Breeding, Genetics & More
    Betta fish have been a long sought after type of fish in the fish keeping hobby. They offer a wide range of color and are relatively easy fish to care for in comparison to other fish out there. Alien Betta fish are a type of Betta fish that is created by mixing two other species of Betta fish together. They do this for the striking patterns, and the vibrant color.
  • Orange Hatchet Danio: Care, Lifespan, Breeding & More
    Orange Hatchet Danios are similar in size and shape to most other Danios, but they can be identified by the orange hues they have on their body. The Orange Hatchet Danio was first found in India. They can be identified by the orange highlights, which is a rare color in Danios. The males are usually darker, especially when they are ready to spawn. The females are more plump in shape when compared to the males. Both male and female Orange Hatchet Danio have a more arrow-like shape to their bodies which helps aid the fish in jumping. It is important to keep a lid on your tank. If startled, the Orange Hatchet Danio is an excellent jumper, and they will jump out of your tank.
  • Umbee Cichlid Care: Max Size, Tank Mates, Breeding & More
    Umbee Cichlids are a beautiful species of fish that are found in South America in rivers of Columbia. They are a rather large fish at full maturity. This means that you will always be able to see their striking pattern from far away, and anywhere in your aquarium. Their faces are dark but they are marked by turquoise and blue reflective dots only under around their eyes, and extending outward.
  • Phoenix Tetra Care: Diet, Lifespan, Size, Breeding & More
    Phoenix Tetras are a vibrant fish with a grey silvery body, and their body also has a delicate gold colored sheen. Their fins have a beautiful red coloration with white extensions that look very ornate. Mature females are noticeably more stocky than the males are. The males have longer filaments on their fins, and they show off a flashy bright red color. The caudal fin is translucent in color in the female Phoenix Tetra. Mature male Phoenix Tetra have elongated dorsal and anal fins. These differences make it easy to distinguish male Phoenix Tetras from females.
  • Pearl Gourami: Care, Tank Size, Tank Mates, Size & More
    Pearl Gourami are relatively easy to care for. Like other gouramis, it prefers a heavily planted tank with many hiding spaces and ample debris for building bubble nests. They require a larger thank than some of their cousins, at 30 gallons at the very least, but they’re just as communal and peaceful. Caring for the plants provides ample maintenance for these fish, though they aren’t as finicky as some other species. They do like to hide though, and prefer a somber habitat. They also need to have direct access to fresh air since they are labyrinth fish.
  • Checker Barb Care: Diet, Lifespan, Tank Size & Tank Mates
    Checker Barb fish are a tropical, freshwater fish named for their distinctive black and silver checkered markings and colorations that resemble a checkerboard. This pattern is so distinct that even their nicknames refer to their checkerboard patterning. They are described as having a torpedo-esque shape to their bodies, and a round middle. The males are slimmer and smaller than the females. The juvenile Checker Barb fish may have little fin color, while the mature males have red fins with a black outline. The females have a more yellowish color to their fins. The color of both male and female fish will get darker as they become ready to spawn, and when they are fed a good diet of a wide variety. A well set up aquarium will help this nano schooling fish thrive, and will also help aid in deepening its coloration.
  • Betta Albimarginata: Care, Size, Lifespan, pH & Breeding
    The Betta Albimarginata can be identified by a combination of characteristics. They have a blackish head ventrally, and greyish yellow dorsally. They have an orange colored blotch on their operculum. The operculum is the facial structure on bony fish that supports their gills. They have fin patterning, except on their pectoral fins. They have a broad white distal band, and a dark submarginal band. The submarginal band has a sharp outer margin, a less sharp inner margin, and a plain red inner portion. Females are a simple mottled brown body color, while the males end up being a more orange color.
  • Pygmy Corydoras Care: Food, Breeding, Size & More
    The pygmy corydoras (corydoras pygmaeus) is a type of catfish. As the “pygmy” part of their name implies, these freshwater fish are tiny. In fact, they are some of the
  • Salt and Pepper Corydoras: Care, Size, Lifespan & Breeding
    Color pattern is somewhat varied among the Salt and Pepper Corydora fish. The fish can be identified by its light tan body covered with black and shiny silver spotting and broken striping. This is a much smaller species than the similarly named Peppered Cory Catfish, and when doing research about the Salt and Pepper Corydora the information could be easily confused between the two species.
  • Samurai Gourami Care: Diet, Tank Size, Breeding & Disease
    Samurai Gourami male can be distinguished from the female, but it can be somewhat difficult. The female Samurai Gourami is more colorful than the male, and you can identify her more easily by looking at her markings. The females have a vibrant iridescent green to their bodies, and they have red and green vertical bars on their sides. They also have a straighter lower jaw, and have a more prominent head shape than the males. The females also have a reddish tail area. Males are plain in comparison and usually have a pale brown or greyish tint to them. With other species the males are usually more brightly colored than the females are, but with the Samurai Gourami, the opposite is true. This is known as sexual dimorphism.
  • Celestial Pearl Danio: Care, Tank Size, Breeding & More
    Celestial Pearl Danios (Danio Margaritatus) are a newly discovered species of freshwater fish, and there is much to learn about this fish. They are admired by aquarium hobbyists all over the world for their vibrant color, and active nature. They are often referred to as Galaxy Rasboras, or Firework Rasboras. However, these little fish are more closely related to Danios than they are to Rasboras.
  • Nile Perch Care: Tank Setup, Food, Behavior & More
    Nile Perch are hearty freshwater fish, but keep in mind when purchasing a tank for larger species of fish, you’re buying for long-term care, and so should plan for the largest community you want. A 90-gallon tank is recommended for keeping a perch, as they are large, active, and can grow to fit their surroundings. A larger starter tank will allow you to keep more fish, as well as keep your maintenance time down. The tank will need a heater to maintain temperatures between 75-77 degrees Fahrenheit. They are native to Africa and prefer warm waters.
  • Chili Rasboras Care: Diet, Size, Tank Size & Temperature
    Chili Rasboras are a beautifully colored, freshwater, nano schooling fish. They are red-orange in color with a black and red line that runs down their mid lateral line. The males are more brightly colored than the females, but they all share these eye catching color traits. Their flashy coloring and active nature makes them a favorite of aquarium owners all over the world.
  • Strawberry Rasbora: Care, Size, Breeding, Tank Size & More
    The Strawberry Rasbora is similar to the Chili Rasbora, but can be identified by the much more dominant black spot on its side. This distinctive marking is more prominent on
  • Badis Badis Care: The Dwarf Chameleon Fish
    Badis Badis is a small predatory fish that feeds on a variety of tiny invertebrates such as worms and insect larvae. The coloration of these fish can intend entirely on the mood of the fish – when comfortable, it can be extremely rich and vibrantly colored. They hold a lot of value for some people as not only are they strong aquatic pets to have, but they make brilliant breeding partners due to their immense colorization abilities.
  • Arowana
    The Arowana is large a freshwater fish that has relatively large scales and an impressive jumping ability earning it two nicknames, the aforementioned ‘water monkeys, and also the ‘Dragon Fish’ because of the way the light shines off it’s ‘armor’. The Arowana swims near the water surface to seek its prey, mostly feeding in insects and small fish although specimens have been found with the remains of birds, bats, and snakes in their stomachs, made possible by the Arowana’s drawbridge-like mouth, designed for larger meals.
  • Sailfin Pleco
    Scientific Name Pterygoplichthys gibbiceps, Glyptoperichthys gibbiceps Common Name(s) Sailfin Pleco, Leopard Pleco, Gibby, L083, L165 Origin South America Temperature Range 73-86°F Water Parameters KH 6-10, pH 6.5-7.4 Adult Size 1’7”
  • Neon Tetra: Care, Disease, Breeding, Albino & Gold Types
    Neon Tetra has a light blue back over a silver colored abdomen. It has an iridescent blue stripe that runs horizontally along each side of the fish, starting at the nose and ending at the adipose fin. They also have a red iridescent stripe that begins in the middle of their body and extends to the base of the caudal fin. The neon tetra is partially transparent, the fins too. Female Neon Tetras are usually bigger, can be identified by their rounder bellies, and a bent iridescent stripe rather than the male’s straight one. At night time, as the Neon Tetra rests, the red and blue stripes become gray and black. The color becomes vibrant again once the Neon Tetra becomes active in the morning.
  • Clown Knife Fish
    Scientific Name Chitala ornata Common Name(s) Spotted knifefish, clown featherback, clown knife fish Origin South Asia, Thailand Temperature Range 75-82°F pH Range 6.0-8.0 Adult Size 10 to 40 inches (25-
  • Swai Fish
    The Swai  Fish, or Iridescent Shark, is a fish that is typically farmed in Asia.  However, it seems to create a bit of controversy in what contexts it appears.  Whether
  • Discus Fish
    Scientific Name Symphysodon Common Name(s) Discus Origin South America, Amazon River Basin Temperature Range 80 – 86°F Water Parameters 5-7pH, 1-8dH, 1- 3KH Adult Size 8-10in Diet Carnivorous, live food,
  • Moonlight Gourami: Care, Size, Tank Mates & More
    Moonlight gourami are named after their beautiful silvery appearance. They have long flowing ventral fins that are used as feelers to sense their surroundings. As labyrinth fish, they have a
  • Green Neon Tetra
    Scientific Name Paracheirodon simulans Common Name(s) Green Neon Tetra, Blue Neon Tetra, False Neon Origin Rio Jafaris, Ornico and Upper Negro River Basins Temperature Range 75-85 °F pH pH: 5.0-6.5
  • Cuban Gar
    Common Name Cuban Gar Scientific Name Atractosteus tristoechus Origin Cuba Temperature Range 64-73°F pH Range 5.5-8 Adult Size 100-200cm Diet Live Food Cuban Gar Facts Currently on the endangered species
  • Cardinal Tetra
    The Cardinal Tetra is a freshwater fish native to the various well-vegetated tributaries of the upper Orinoco and Negro rivers in South America. Its average size is 1-2 inches in length with a lifespan of several years in the wild, but only about a year in captivity. It is named after its vivid red color and also has an iridescent blue streak laterally bisecting it, a characteristic of the Paracheirodon species.
  • Mosquito Fish
    Scientific Name Gambusia affinis Common Name(s) Mosquitofish, Mosquito fish Origin Mississippi River Basin; Illinois, Indiana Temperature Range 68-82°F pH Range 6.5-8.0 Adult Size 3in Diet Omnivore; mosquito larvae, other live
  • Snakehead Fish: Invasively Beautiful Fish
    Snakehead Facts Snakeheads on land can survive for 4 days. Snakeheads are considered invasive species in American waters. Northern Snakehead population throughout North America is unknown. The Snakehead Fish The
  • Guppy Fish Care: Food, Tank, Lifespan, Breeding, & Fry Care
    Guppies are one of the most popular fish in the aquarium hobby. They are colorful little fish that are always actively swimming throughout the tank. They are also known for their ease of breeding. In fact, a female guppy can give birth to a batch of 100 or more baby guppies every month. The ease of breeding attracts many beginner fishkeepers, but the art of breeding and developing various strains of guppy makes them attractive for advanced fishkeepers as well.
  • Dwarf Gourami Care: Tank Mates, Size, Temperature & Disease
    Common Name(s) Dwarf Gourami Scientific Name Colisa lalia, Trichogaster lalius Origin Pakistan, India, and Bangladesh Temperature Range 72 – 82°F (22 – 27°C) Water pH 6.0 – 7.5 Water KH
  • Betta Fish Care: Lifespan, Tank Setup, Tank Mates & More
    Betta fish are one of the most popular fish in the aquarium hobby, and for good reason. First, they are very pretty to look at. They come in many different fin shapes and coloration. Some of these specimen are results of many generations of careful selective breeding. Another reason for their popularity can be attributed to their ease of care. Compared to many of the other fish in the aquarium hobby, they are relatively less demanding. In the wild, they inhabit slow moving waters such as small lakes and ponds. These are often low oxygen environments.
  • Butterfly Pleco: Care, Size, Breeding & More
    Butterfly Plecostomus (L168) is one of the smaller species of pleco with a striking pattern. It has the unique ability to camouflage based on their surroundings. When placed on a
  • Oscar Fish Care: Size, Food, Tank Size & Hole in the Head
    Oscar fish are more intelligent than your average aquarium fish. They are very personable fish that will interact with the owner. For example, when they are excited about their favorite food, they might wag their tail fin, just like a puppy. This is why they are nicknamed “Water Dogs.” Since they have so much personality, many fishkeepers become very attached to them.
  • Koi Fish (Nishikigoi)
    Koi is a cold-water fish and originate in Central Europe and East Asia. They are hardy and highly adaptable. Likewise, the domesticated Nishikigoi can be acclimated to various climates and water conditions. Koi fish and Goldfish have the same ancestor, the carp. They have similarities with some varieties of Goldfish such as the Common Goldfish and Comet Goldfish. They can have similar body shape and color. This makes it difficult to tell the difference between the two as juvenile or fry. One obvious feature that distinguishes the Goldfish and Koi fish is the presence of prominent barbels on the lips.