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The Living Encyclopedia
Explore our comprehensive database of reptiles, amphibians, fish, and invertebrates. Discover detailed care guides, morph varieties, and community setups.
fish
Lemon Tetra
Hyphessobrycon pulchripinnis
The lemon tetra is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is from South America. It is a small tetra growing to 5 cm (2 in) in length. The species is a long established favourite aquarium fish, being introduced to the aquarium in 1932.
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fish
Buenos Aires Tetra
Hyphessobrycon anisitsi
Buenos Aires Tetra (Hyphessobrycon anisitsi)
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fish
Black Phantom Tetra
Hyphessobrycon megalopterus
The black phantom tetra is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This species is found in South America, in Bolivia and Brazil. It is a common species in the aquarium trade.
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fish
Red Phantom Tetra
Hyphessobrycon sweglesi
Megalamphodus sweglesi, commonly known as the red phantom tetra, is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is found in the Orinoco River drainage basin in South America.
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fish
Bleeding Heart Tetra
Hyphessobrycon erythrostigma
Bleeding Heart Tetra (Hyphessobrycon erythrostigma)
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fish
X-Ray Tetra
Pristella maxillaris
Pristella maxillaris, also known as the X-ray tetra or X-ray fish, is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This translucent fish is found in South America and is a popular aquarium fish.
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fish
Penguin Tetra
Thayeria boehlkei
Thayeria is a genus of freshwater ray-finned fishes belonging to the family Acestrorhamphidae, the American characins. The fishes in this genus are found in the Amazon Basin, and the Approuague and Maroni Rivers in tropical South America. It includes three species, including the blackline penguinfish, T. boehlkei. Members of this genus, among other characteristics, are small, have one lateral black stripe, and have a vesica piscis shape. They are peaceful.
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fish
Panda Corydoras
Corydoras panda
Hoplisoma panda, the panda corydoras, panda catfish, or panda cory, is a species of freshwater ray-finned fish belonging to the subfamily Corydoradinae, the corys, of the family Callichthyidae, the armoured catfishes. It is found in Peru and Ecuador, most notably in the Huánuco region, where it inhabits the Río Aquas, the Río Amarillae, a tributary of the Río Pachitea, and the Río Ucayali river system. The species was first collected by Randolph H. Richards in 1968, and was named Corydoras panda by Han Nijssen and Isaäc J. H. Isbrücker in 1971. The specific name is an allusion to the appearance of the fish, which possesses large black patches surrounding the eyes, reminiscent of those found on the giant panda, hence the common names.
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fish
Peppered Corydoras
Corydoras paleatus
Hoplisoma paleatum, the blue leopard corydoras, mottled corydoras or peppered catfish, is a species of freshwater ray-finned fish belonging to the subfamily Corydoradinae, the corys, of the family Callichthyidae, the armoured catfishes. This catfish is found in southeastern South America.
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fish
Julii Corydoras
Corydoras julii
Julii Corydoras (Corydoras julii)
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fish
Sterbai Corydoras
Corydoras sterbai
Sterbai Corydoras (Corydoras sterbai)
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fish
Pygmy Corydoras
Corydoras pygmaeus
The pygmy corydoras or pygmy catfish is a species of freshwater ray-finned fish belonging to the subfamily Corydoradinae, the corys, of the family Callichthyidae, the armored catfishes. This catfish is found in the Madeira River basin in Brazil.
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fish
Emerald Corydoras
Corydoras splendens
The emerald catfish is a species of freshwater ray-finned fish belonging the family Callichthyidae, the armored catfishes, and the subfamily Corydoradinae, the corys. This species is found in the Amazon Basin in South America. It has traditionally been known as Corydoras splendens. The fish has appeared on a stamp in Brazil.
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C
invertebrate
Crystal Red Shrimp
Caridina cantonensis
Crystal Red Shrimp (Caridina cantonensis)
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invertebrate
Amano Shrimp
Caridina multidentata
Amano Shrimp (Caridina multidentata)
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invertebrate
Ghost Shrimp
Palaemonetes paludosus
Ghost Shrimp (Palaemonetes paludosus)
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invertebrate
Bamboo Shrimp
Atyopsis moluccensis
Bamboo Shrimp (Atyopsis moluccensis)
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fish
Dalmatian Molly
Poecilia latipinna
Dalmatian Molly (Poecilia latipinna)
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fish
German Blue Ram
Mikrogeophagus ramirezi
German Blue Ram (Mikrogeophagus ramirezi)
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fish
Bolivian Ram
Mikrogeophagus altispinosus
Bolivian Ram (Mikrogeophagus altispinosus)
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