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Tankably is your comprehensive resource for creating and maintaining beautiful aquatic environments. Access our database of aquatic life, utilize tools to perfect your tank setup, and share your creations with a passionate community.
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Epiplatys annulatus, the clown killi, hails from shallow West African swamps and forest streams, where it cruises the surface in small groups, displaying bold banded “ring” patterns and vibrant tails while performing elaborate courtship dances.
Epiplatys annulatus | Tankably
A small and engaging shoaling fish from Africa, the Clown Killifish is a great choice for nano aquariums with its unique surface-dwelling behavior.
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December 29, 2025 at 9:20 AM
Epiplatys annulatus, the clown killi, hails from shallow West African swamps and forest streams, where it cruises the surface in small groups, displaying bold banded “ring” patterns and vibrant tails while performing elaborate courtship dances.
Danio rerio, or zebrafish, is a tropical freshwater cyprinid from South Asia whose striped body, transparent embryos, and rapid external development have made it a premier vertebrate model for genetic researches in modern biomedical science.
Danio rerio | Tankably
The Zebrafish is a highly active and hardy freshwater species, making it an excellent and popular choice for both new and experienced aquarium enthusias...
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December 18, 2025 at 5:07 PM
Danio rerio, or zebrafish, is a tropical freshwater cyprinid from South Asia whose striped body, transparent embryos, and rapid external development have made it a premier vertebrate model for genetic researches in modern biomedical science.
Mikrogeophagus ramirezi, a native to the Orinoco Llanos savannas of Venezuela and Colombia, thrives in warm, soft, acidic waters and forms monogamous pairs that clean a flat stone, lay adhesive eggs, then both parents fan and herd the fry.
Mikrogeophagus ramirezi | Tankably
The Ram Cichlid is a small, brilliantly colored fish from South America, known for its engaging personality and tendency to form dedicated pairs in the...
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December 17, 2025 at 1:09 PM
Mikrogeophagus ramirezi, a native to the Orinoco Llanos savannas of Venezuela and Colombia, thrives in warm, soft, acidic waters and forms monogamous pairs that clean a flat stone, lay adhesive eggs, then both parents fan and herd the fry.
Adinoacara rivulatus, known as the green terror cichlid, is a South American species from fast-flowing coastal rivers of Peru and Ecuador. Males often show vivid metallic green and orange on their heads and fins when guarding their territory.
Acestridium colombiense | Tankably
The Green Whiptail Catfish is a fascinating, peaceful fish that looks just like a tiny green twig.
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December 12, 2025 at 12:46 PM
Adinoacara rivulatus, known as the green terror cichlid, is a South American species from fast-flowing coastal rivers of Peru and Ecuador. Males often show vivid metallic green and orange on their heads and fins when guarding their territory.
Adinoacara rivulatus, known as the green terror cichlid, is a South American species from fast-flowing coastal rivers of Peru and Ecuador. Males often show vivid metallic green and orange on their heads and fins when guarding their territory.
Adinoacara rivulatus | Tankably
The Green Terror Cichlid, which also goes by the names Gold Saum or White Saum, is a beautiful and charismatic fish from South America.
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December 11, 2025 at 7:37 AM
Adinoacara rivulatus, known as the green terror cichlid, is a South American species from fast-flowing coastal rivers of Peru and Ecuador. Males often show vivid metallic green and orange on their heads and fins when guarding their territory.
Betta imbellis, the peaceful or crescent betta, hails from slow Asian waters. Males build bubble nests among leaf litter, and wild forms display shimmering blue-green cheeks with dark bodies, unlike many domesticated bettas in flooded forests.
Betta imbellis | Tankably
Known as the Peaceful Betta, this small, captivating fish from Southeast Asia is a great alternative to its more aggressive relatives for a community ta...
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December 10, 2025 at 11:07 AM
Betta imbellis, the peaceful or crescent betta, hails from slow Asian waters. Males build bubble nests among leaf litter, and wild forms display shimmering blue-green cheeks with dark bodies, unlike many domesticated bettas in flooded forests.
Caridina multidentata, known as the Amano shrimp, is a legendary algae eater in planted aquariums. Introduced to aquascaping by Takashi Amano, it thrives in groups, needs stable, clean water, and its larvae require brackish water to develop.
Caridina multidentata | Tankably
Known as one of the most effective algae-eating shrimp in the aquarium hobby, this hardy crustacean is a peaceful and active addition to community tanks.
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December 9, 2025 at 10:36 AM
Caridina multidentata, known as the Amano shrimp, is a legendary algae eater in planted aquariums. Introduced to aquascaping by Takashi Amano, it thrives in groups, needs stable, clean water, and its larvae require brackish water to develop.
The West African Atya gabonensis goes by many names, including African fan shrimp and vampire shrimp, but is actually peaceful and shy, waving its feathery “fans” in fast currents at night to filter plankton and fine particles from the water.
Atya gabonensis | Tankably
The Gabon Fan Shrimp, also known as the Vampire or African Filter Shrimp, is a large and peaceful crustacean perfect for a community tank with the right...
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December 8, 2025 at 12:34 PM
The West African Atya gabonensis goes by many names, including African fan shrimp and vampire shrimp, but is actually peaceful and shy, waving its feathery “fans” in fast currents at night to filter plankton and fine particles from the water.
Marisa cornuarietis, the ramshorn snail, is omnivorous and devours aquatic plants, algae and other snails’ eggs. It is sometimes introduced in regions to control weed growth and disease‑carrying snails. Its appetite reshapes aquatic habitats.
Marisa cornuarietis | Tankably
The Giant Ramshorn Snail is not a true ramshorn but a type of apple snail, which explains its impressive size.
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December 4, 2025 at 2:52 PM
Marisa cornuarietis, the ramshorn snail, is omnivorous and devours aquatic plants, algae and other snails’ eggs. It is sometimes introduced in regions to control weed growth and disease‑carrying snails. Its appetite reshapes aquatic habitats.
Brochis robineae, the banner-tail cory, is named for Robine Schwartz and famed for its unique horizontally striped caudal fin; it hails from Brazil's upper Rio Negro, spawns in Corydoras "T" position with adhesive eggs, and thrives in shoals.
Brochis robineae | Tankably
Robine's Cory is an active and social bottom-dwelling fish from South America, making a dynamic and interesting addition for aquarists of moderate exper...
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December 3, 2025 at 1:49 PM
Brochis robineae, the banner-tail cory, is named for Robine Schwartz and famed for its unique horizontally striped caudal fin; it hails from Brazil's upper Rio Negro, spawns in Corydoras "T" position with adhesive eggs, and thrives in shoals.
Thorichthys ellioti, a Central American cichlid, flashes blue-green spots and a red belly during courtship. It often sifts sand for food and guards eggs in shallow pits, with both parents fiercely defending fry against intruders in the wild.
Thorichthys ellioti | Tankably
The Ellioti Cichlid is a vibrant and moderately active freshwater fish known for its territorial nature and interesting social interactions in aquariums.
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December 2, 2025 at 9:24 AM
Thorichthys ellioti, a Central American cichlid, flashes blue-green spots and a red belly during courtship. It often sifts sand for food and guards eggs in shallow pits, with both parents fiercely defending fry against intruders in the wild.
The species name 'aenea' comes from Latin for bronze, likely referring to a metallic sheen; Osteogaster aenea is known mainly from taxonomic records, showing how many freshwater fishes remain almost invisible outside scientific literature today.
Osteogaster aenea | Tankably
The Bronze Corydoras is a peaceful, schooling bottom-dweller, making it an excellent and hardy addition for community freshwater aquariums of all levels.
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November 29, 2025 at 4:35 PM
The species name 'aenea' comes from Latin for bronze, likely referring to a metallic sheen; Osteogaster aenea is known mainly from taxonomic records, showing how many freshwater fishes remain almost invisible outside scientific literature today.
Laetacara dorsigera, the redbreast acara, is a peaceful South American cichlid from slow, plant-rich waters. Males intensify their crimson chest and fin colors when courting or guarding eggs, and devoted pairs often share parenting duties too.
Laetacara dorsigera | Tankably
Originating from South America, this peaceful dwarf cichlid is a rewarding choice for aquarists looking for a fish with personality and interesting beha...
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November 28, 2025 at 2:19 PM
Laetacara dorsigera, the redbreast acara, is a peaceful South American cichlid from slow, plant-rich waters. Males intensify their crimson chest and fin colors when courting or guarding eggs, and devoted pairs often share parenting duties too.
Geophagus steindachneri, the humphead earth eater, is a South American cichlid that sifts sand through its gills for food. Males grow a bright red nuchal hump and perform mouthbrooding, guarding eggs and fry inside their mouths for extra safety.
Geophagus steindachneri | Tankably
An engaging eartheating cichlid from South America, this fish is famed for its unique sand-sifting behavior and distinct appearance in mature males.
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November 27, 2025 at 2:22 PM
Geophagus steindachneri, the humphead earth eater, is a South American cichlid that sifts sand through its gills for food. Males grow a bright red nuchal hump and perform mouthbrooding, guarding eggs and fry inside their mouths for extra safety.
Caridina caerulea is a peaceful shrimp native to Sulawesi’s Lake Matano. Did you know it breeds by carrying eggs under the female’s abdomen, hatching tiny larvae that require stable water with minimal fluctuations?
Caridina caerulea | Tankably
This small, shoaling crustacean originates from the ancient lakes of Sulawesi, Indonesia, and is known for its moderate activity and peaceful nature.
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November 26, 2025 at 9:03 AM
Caridina caerulea is a peaceful shrimp native to Sulawesi’s Lake Matano. Did you know it breeds by carrying eggs under the female’s abdomen, hatching tiny larvae that require stable water with minimal fluctuations?
Thorichthys passionis, the yellow firemouth cichlid, is a Central American river fish from Mexico and Guatemala that defends sandy territories, fans eggs on vertical surfaces, and constantly sifts substrate for food in warm, alkaline waters.
Thorichthys passionis | Tankably
The Black-chin cichlid, also known as the Passionis cichlid, is a vibrant freshwater fish from Central America that brings moderate activity to an aquar...
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November 25, 2025 at 1:54 PM
Thorichthys passionis, the yellow firemouth cichlid, is a Central American river fish from Mexico and Guatemala that defends sandy territories, fans eggs on vertical surfaces, and constantly sifts substrate for food in warm, alkaline waters.
Acanthurus sohal, the sohal tang, is a bold Red Sea reef fish known for its striking blue-and-white stripes, razor-sharp caudal spine, intense territorial aggression, and nonstop algae-grazing that helps keep coral reefs clean and resilient.
Acanthurus sohal | Tankably
Native to the Red Sea, the Sohal Surgeonfish is a very active and territorial herbivore that requires a substantial aquarium with a strong water current...
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November 24, 2025 at 4:21 PM
Acanthurus sohal, the sohal tang, is a bold Red Sea reef fish known for its striking blue-and-white stripes, razor-sharp caudal spine, intense territorial aggression, and nonstop algae-grazing that helps keep coral reefs clean and resilient.
Caridina dennerli, Cardinal Sulawesi shrimp, thrives in the warm, mineral-rich waters of Lake Matano, Indonesia. Its vivid red body with white spots and sapphire eyes make it a prized yet delicate species requiring pristine, stable conditions.
Caridina dennerli | Tankably
The Cardinal Shrimp is a delicate and vibrant crustacean from Indonesia, renowned for its active grazing behavior and specific environmental requirements.
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November 3, 2025 at 8:47 AM
Caridina dennerli, Cardinal Sulawesi shrimp, thrives in the warm, mineral-rich waters of Lake Matano, Indonesia. Its vivid red body with white spots and sapphire eyes make it a prized yet delicate species requiring pristine, stable conditions.
Hyphessobrycon rosaceus adds gentle charm to community tanks with its shimmering pink hue and calm temperament. Native to Guyana’s slow streams, it prefers dim lighting, soft water, and thrives among plants where its colors subtly deepen.
Hyphessobrycon rosaceus | Tankably
The popular Rosy Tetra is a small, peaceful, and active shoaling fish that brings a lively presence to any community freshwater aquarium with its school...
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October 28, 2025 at 9:26 AM
Hyphessobrycon rosaceus adds gentle charm to community tanks with its shimmering pink hue and calm temperament. Native to Guyana’s slow streams, it prefers dim lighting, soft water, and thrives among plants where its colors subtly deepen.
Tateurndina ocellicauda, known as the peacock gudgeon, is a peaceful, vividly colored fish native to Papua New Guinea. Males display a nuchal hump and guard eggs in caves, fanning them for 8–10 days before hatching, ensuring fry survival.
Tateurndina ocellicauda | Tankably
The Peacock Gudgeon is a small, vibrant freshwater fish from Papua New Guinea, celebrated for its peaceful nature and suitability for community aquariums.
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October 27, 2025 at 10:21 AM
Tateurndina ocellicauda, known as the peacock gudgeon, is a peaceful, vividly colored fish native to Papua New Guinea. Males display a nuchal hump and guard eggs in caves, fanning them for 8–10 days before hatching, ensuring fry survival.
Diodon holocanthus, long-spined porcupinefish, can inflate its body to nearly double in size, raising sharp spines for defense. Its teeth fuse into a beak-like shape, perfect for crushing hard-shelled prey like crabs and mollusks in coral reefs.
Diodon holocanthus | Tankably
The Long-spine Porcupinefish is a charming and curious saltwater species beloved for its unique ability to inflate into a spiky ball when threatened.
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October 26, 2025 at 8:14 AM
Diodon holocanthus, long-spined porcupinefish, can inflate its body to nearly double in size, raising sharp spines for defense. Its teeth fuse into a beak-like shape, perfect for crushing hard-shelled prey like crabs and mollusks in coral reefs.
Lutjanus sebae, known as the red emperor snapper, is a striking reef fish found across the Indo-Pacific. It can live over 40 years, change color as it matures, and plays a key role as both predator and prized catch in tropical ecosystems.
Lutjanus sebae | Tankably
A striking and commanding presence, the Emperor Red Snapper is a very large saltwater fish best suited for public aquariums or exceptionally large home...
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October 25, 2025 at 8:40 AM
Lutjanus sebae, known as the red emperor snapper, is a striking reef fish found across the Indo-Pacific. It can live over 40 years, change color as it matures, and plays a key role as both predator and prized catch in tropical ecosystems.
Pygocentrus nattereri, the red-bellied piranha, isn’t the mindless killer of legend. Found in South America’s rivers, it’s mostly a cautious scavenger that uses its razor-sharp teeth and group tactics to defend itself and feed on weak prey.
Pygocentrus nattereri | Tankably
Native to South American river basins, the Red-bellied Piranha is a powerful shoaling fish best known for its carnivorous diet and misunderstood reputat...
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October 24, 2025 at 12:48 PM
Pygocentrus nattereri, the red-bellied piranha, isn’t the mindless killer of legend. Found in South America’s rivers, it’s mostly a cautious scavenger that uses its razor-sharp teeth and group tactics to defend itself and feed on weak prey.
Amphilophus citrinellus, the Midas cichlid, is a bold freshwater fish from Central America’s volcanic lakes. Known for its vivid orange hue and strong personality, it can move rocks to reshape its territory and often recognizes its human keeper.
Amphilophus citrinellus | Tankably
The Midas Cichlid is a large, highly active, and territorial freshwater fish from Central America, known for its bold personality and long lifespan in c...
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October 23, 2025 at 11:04 AM
Amphilophus citrinellus, the Midas cichlid, is a bold freshwater fish from Central America’s volcanic lakes. Known for its vivid orange hue and strong personality, it can move rocks to reshape its territory and often recognizes its human keeper.
Paracheirodon axelrodi, known as the cardinal tetra, dazzles with its vivid red and electric blue stripes. Native to South America’s Orinoco and Negro rivers, this peaceful 3 cm fish is a shoaling species prized by aquarists worldwide.
Paracheirodon axelrodi | Tankably
A small and strikingly colored schooling fish from South America, the Cardinal Tetra is an active, community-friendly species prized by aquarium hobbyis...
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October 22, 2025 at 11:47 AM
Paracheirodon axelrodi, known as the cardinal tetra, dazzles with its vivid red and electric blue stripes. Native to South America’s Orinoco and Negro rivers, this peaceful 3 cm fish is a shoaling species prized by aquarists worldwide.