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1199 results for “body temperature”
Yamabuki Ogon
The Yamabuki Ogon is an all-golden koi bred in Japan, prized by koi keepers as a wealth-bringing fish. Peaceful and not territorial, it likes slightly alkaline water (pH 7.2–7.5) and lives 6–10 years on an omnivorous diet, with feeding portioned to about the size of its head.
Neon Tetra
The Neon Tetra is a tiny, peaceful characin from the Amazon basin, famous for its iridescent blue stripe over a red one that shimmers as it schools through a planted tank. Easy to keep in dim, acidic soft water at 22–24°C, it lives 1–2 years and is sensitive to sudden water changes.
Black Arowana
The Black Arowana is a South American freshwater predator from the Amazon and Guyana, born with two long barbels and flowing fins. Aggressive and best kept alone in a covered tank over 120 cm, it needs 24–28°C soft water and a meaty diet of live foods. Watch for white spot and tail rot.
Black Ranchu
The Black Ranchu is a Japanese fancy goldfish bred from the Ranchu and the hooded Shouxing, combining a very thick head wen with the Ranchu's elegant, tailless body. Easy to keep in emerald-green water, it is omnivorous and peaceful, but prone to anchor worm, water mold, and white spot.
Oscar
The Oscar (Astronotus ocellatus) is a large, personable cichlid from the Amazon basin that can learn to recognize its owner and even leap for food from the hand. A voracious carnivorous predator — it will fight or eat tankmates — it needs a big tank and, despite its thuggish nature, is one of the most interactive tropical fish you can keep. It can live 10 years or more.
Taisho Sanshoku
Taisho Sanshoku, commonly called Sanke, is one of the two representative koi varieties alongside Kohaku. Bred in Japan during the Taisho era (around 1915), it is a red-white-black tricolor koi whose appeal lies in the placement and quality of its black sumi markings over a pure white-and-red body. Its care is the same as for any koi.
Rainbow Shark
The Rainbow Shark (Epalzeorhynchus frenatus, formerly Labeo frenatus) is a mid-to-large tropical cyprinid from Thailand and Indonesia, reaching about 12–15 cm. Easy to keep and not fussy about water, it is nevertheless aggressive and territorial — it will nip the flowing fins of slow tankmates — so it suits a spacious tank with robust, similar-sized fish.
Halfmoon Betta
The Halfmoon Betta is a tail-form of Betta splendens whose caudal fin spreads to a full 180 degrees (or more, in the prized Over-Halfmoon type), resembling a half moon. A labyrinth fish that breathes air at the surface, it is easy to keep but must be housed alone or with peaceful tankmates because males fight.
Koi
Koi (Cyprinus carpio) are ornamental carp kept worldwide as pond fish and symbols of good fortune. Hardy and long-lived — often 60 to 70 years — they are relatively easy to keep, but steady water quality, correct temperature, and a good diet are what keep their colors vivid and their health strong.
Cardinal Tetra
The cardinal tetra (Paracheirodon axelrodi) is a small South American characin with a glowing blue-green stripe and red lower body. A peaceful schooling fish, it needs soft acidic water at 24–26 °C and dim light.