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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
The Buenos Aires tetra is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is found in South America.
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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, the X-ray tetra, is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This transluscent 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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S
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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invertebrate
Crystal Red Shrimp
Caridina cantonensis
Caridina is a genus of freshwater atyid shrimp. They are widely found in tropical or subtropical water in Asia, Oceania and Africa. They are filter-feeders and omnivorous scavengers. They range from 0.9 to 9.8 mm to 1.2–7.4 mm in carapace length.
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invertebrate
Amano Shrimp
Caridina multidentata
Caridina multidentata is a species of shrimp in the family Atyidae. It is native to Japan and Taiwan. Its common names include Yamato shrimp, Japanese shrimp, Amano shrimp, and algae shrimp.
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invertebrate
Ghost Shrimp
Palaemonetes paludosus
Ghost shrimp is a name applied to at least three different kinds of crustacean:Thalassinidea, crustaceans which live in deep burrows in the intertidal zone Caprellidae, amphipods with slender bodies more commonly known as "skeleton shrimps" Feeder shrimp : Palaemonetes, small mostly transparent shrimp commonly sold for use in freshwater aquaria
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invertebrate
Bamboo Shrimp
Atyopsis moluccensis
Bamboo Shrimp (Atyopsis moluccensis)
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fish
Dalmatian Molly
Poecilia latipinna
The sailfin molly is a livebearer fish typically found in both freshwater and brackish waterways along the East Coast of the United States, from North Carolina south to Florida, and around the Gulf of Mexico to Texas, and south to the Yucatán Peninsula of Mexico. Given their preference for more brackish water conditions, mollies are often found within just a few yards or miles of the ocean, inhabiting coastal estuaries, lagoons, river deltas and swamps, as well as tidal areas with a regular inflow of oceanic minerals and nutrients mixing with inland freshwater sources.
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fish
German Blue Ram
Mikrogeophagus ramirezi
The ram cichlid is a species of freshwater fish endemic to the Orinoco River basin, in the savannahs of Venezuela and Colombia in South America. The species has been examined in studies on fish behaviour and is a popular aquarium fish, traded under a variety of common names, including ram, blue ram, German blue ram, Asian ram, butterfly cichlid, Ramirez's dwarf cichlid, dwarf butterfly cichlid and Ramirezi. The species is a member of the family Cichlidae and subfamily Geophaginae.
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fish
Bolivian Ram
Mikrogeophagus altispinosus
Mikrogeophagus altispinosus is a species of fish endemic to the southern Amazon River basin in Brazil and Bolivia. The species is part of the family Cichlidae and subfamily Geophaginae. It is a popular aquarium fish, traded under the common names Bolivian butterfly, Bolivian ram, Bolivian ram cichlid, and ruby crown cichlid.
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