I take your point of GF eating them up, too. Leaving aside the tank size, White Mountain Minnows and Danios are, in my understanding, from the same Cyprinidae family and cold-water fish. Scientific Name: Devario aequipinnatus. Diet. Filtration should be sufficient to provide a steady flow of water and maintain good water quality. Our free guide can help keep your tank clean and your fish healthy. Danio is originally from many areas of South Asia. Eggs hatch in 24 to 36 hours and the fry become free-swimming approximately 48 hours later. They do very well in a community aquarium made up of other peaceful fish of similar size. The Danio rerio dwells in rivers and streams in Pakistan, India, Bangladesh, Nepal, Myanmar and Bhutan. Common Name: Giant danio, golden giant danio. Occasionally include vegetable flakes in their feedings to provide a well-balanced diet. Giant Danios are very opportunistic feeders and will eat anything they can catch, including small shrimp. Though a school of these danios can be kept in a smaller aquarium, they will do best in about a 20-gallon size. If live foods are not available, substitute the frozen counterpart. The Illustrated World Encyclopedia of Freshwater Fish and River Creatures. Size/Length: To 4.8" (12 cm) Similar species: Bengal Danio (D. devario), Queen Danio (D. regina) Habitat: Inhabits still and slow-moving rivers on the western coasts of Sri Lanka and India. Giant danios should always be kept in a school of a half dozen at a minimum, preferably more. I have 5 giant danios and their bioload isn't that large, but since you need at least 5-6 it ends up being quite a bit cumulatively. With a size twice as big as the zebrafish, as early as 4 weeks, the adult giant danio may be more amenable to surgical interventions and physiological studies. Decor to mimic a river or stream habitat is ideal but not required. Tank Size: 50 gallons. Devario affinis, Devario browni, Devario malabaricus, and Devario strigillifer were originally deemed synonyms, but are now valid species. Small characins would be at risk, but medium to large characins may be suitable. This is most likely due to the larger amount of space and natural food sources which a pond provides. I love giant danios and had a school of six in my 55 semi-aggresive tank for quite some time. Feed the fry commercially prepared fine fry foods or freshly hatched brine shrimp. Their native substrate is small gravel. Giant Danios Learn more at: commons.wikimedia.org. Better companion fishes for small shrimp are Pigmy Corys, Marble Hatchets, Cardinal Tetras and Clouds. Water Conditions. Danios are schooling fish in the Family Cyprinidae. Enjoys live and frozen bloodworms, brine shrimp, daphnia, tubifex and high-quality flake food. a lot of it will depend on the size of your tank. Therefore, space is a significant factor to consider. What size do you have them in/are you planning on having them in. The rule of thumb is not to combine small fish with any fish large enough to swallow them. Diet: Flake, Pellet, Live, Frozen. Get it free when you sign up for the Spruce Pets! If you’re looking for a minnow you can keep with goldfish, the Giant Danio is one of the best options! Not seen in markets, but popular in aquarium trade (Ref. Unless of course the tank is extremely large. About 85 percent of all Indian exports of giant danios are wild-caught, but in the wild, the population is seen to be stable, by the IUCN (International Union for Conservation of Nature’s Red List of Threatened Species). 2 - 5. They are a somewhat aggressive fish, and may bully other fish in community tanks. Difficulty: Moderate. Smaller numbers often result in aggressive behavior toward other fish and even toward one another. Shirlie is a fish and aquarium lover with 16 years of experience writing on the topic of raising and keeping fish at home. It can grow to a maximum length of four inches and is an excellent schooling fish in larger community aquariums. Giant danios appreciate water movement to simulate the motion of the rivers and fast-moving streams of their origins, and prefer to school. Giants can reach up to 4-inches in adulthood so your goldfish won’t be able to eat them, and these schooling fish are fast swimmers too. Provide fine-leafed plants, such as java moss, or a spawning mop. However, they can grow larger than this when kept in ponds instead of indoor aquariums. The adult species in large number can be encountered in puddles appeared during dry season and in flooded rice fields, where the fish feeds and spawns. Giant Danio: 4 inches: 30 Gallon: 5+ years: Pearl Danio: 2 inches: 20 Gallon: 5 years: White Cloud Mountain Minnow: 1.5 inches: 10 Gallon: 5+ years: Zebra Danio: 2 inches: 10 Gallon: 5 years: Danio Types, Size, Tank Requirements, Lifespan Table Where Are Danios From. 7020). The Giant Danio is a true "giant" among danios. They have a steel-blue colored body with orange/ gold stripes from their gills to their tail. The larger cichlids chase and defend their territories against the giant danios, which allows the cichlids to exhibit more natural behavior. During spawning, up to 20 eggs are produced during each pairing, which continues until as many as 300 are scattered on the plants or spawning mop. The giant danio is a great addition to a large freshwater tank, especially if you're already raising larger fish such as cichlids. [2][3] They also prefer gravel or sand sediment. If you’re interested in similar breeds, check out: Check out additional fish species profiles for more information on other freshwater fish. Giant danios are relatively easy to breed, and the fry are fairly easy to raise. recently the giant danio has been proposed as a model to study skeletal muscle growth (Biga and Goetz, 2006; Biga and Meyer, 2009). [2][3] Giant danios prefer shaded and clear water. Most of other danios are only about 1 to 2 inches in length. [3], Giant danios are found in fast-flowing streams,[2][3] usually in hilly areas. Originating in Sri Lanka, Nepal, and the west coast of India, this species grows to a maximum length of 4 inches (10 cm), making it one of the largest of the danionins. India, Nepal, Bangladesh, Myanmar, Thailand. The body is iridescent gold with steel-blue-colored spots and stripes running lengthwise from the gills to the tail. It is characterized by a blue and yellow, torpedo-shaped body with gray and clear fins. 12693) and also on worms and crustaceans (Ref. [3] In captivity, breeding is induced by increasing water temperature and creating artificial rain. Its gold spots and lines intensify the blue-green background of this fish. 12693, 44325). These little giants make excellent additions to cichlid tanks, as long as the cichlid species you have are not overly aggressive. [3] Juveniles begin to resemble their adult form after 65 days of development. The abdomen of the female is fuller and rounder than that of the male. Min Tank Size: School of 8 -10: 55 gallons (208.2 liters) or larger: Diet: Omnivorous: with a preference for proteins. Like the first guy said, there is a pecking order to tiger barbs and they tend to be less nippy in larger schools. The Giant Danio is also a very attractive fish with captivating blue coloration. After the rain season … However, whether the giant danio AS they are bigger, they should be kept along with larger fishes as they can harm the … Max Size. To mimic their natural hill stream environment, use river gravel or sand, minimal driftwood, and sturdy plants, such as anubias, only along the periphery of the tank; leave the tank mostly open, with large, long areas for swimming. Slow-moving fish, such as angelfish or bettas, are not suitable as tankmates with giant danios. Water chemistry: pH 6.0 – 8.0 At an adult size of around 3 inches (7 - 8 cm), this peaceful schooling fish is an excellent addition to the well-decorated community aquarium and a true giant species for a danio. He needs a 4 foot tank, at least, and a big school of other giant danios- these fish have evolved so that finding safety in a school and establishing a hierarchy in a school is terribly important to them. As egg-scatterers, danios produce around 300 eggs in a single spawning. They are native to a tropical climate and prefer water with a 6-8 pH, a water hardness of 5.0-19.0 dGH, and a temperature range of 72-81 °F (22-27 °C). Ideal Habitat and Tank Conditions. Because they have a tendency to jump, keep the tank kept well covered at all times. 12693). Small characins would be at risk, but medium to large characins may be suitable. Minimum Tank Size. Spawning should be attempted in a roomy tank that has some exposure to the sun if possible, as natural sunlight triggers spawning. The place where the fish dwells to a large extent depends on the season. They live in moving water with rocky gravel … Description. Photos & Comments; Photo Credit: Daniel Silva. It may be a bit too active for small, peaceful tanks and is more appropriate in a community of larger fishes. 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