Video: Red-tailed Rasbora (Rasbora Borapetensis)
2023 Author: Molly Page | [email protected]. Last modified: 2023-07-31 03:34
Red-tailed rasbora, or Borapet rasbora (Blackline rasbora, Red-tailed rasbora) is a popular aquarium fish. It lives in stagnant and slowly flowing water bodies of Southeast Asia. This is a peaceful, active, schooling fish. He willingly takes live and dry food. Unpretentious in keeping, compatible with many peaceful species of fish. Reproduces easily in aquariums. Based on the above, it can be recommended for beginners.
Habitat: Southeast Asia - Thailand, Malaysia, Laos, Cambodia, Vietnam, Philippines, Indonesia.
Habitat: stagnant and slowly flowing water bodies, calm backwaters of larger rivers, ponds, reservoirs. Red-tailed rassbora is often found in turbid water, at a depth of up to 2 meters.
Description: body elongated, strongly flattened laterally. The back and belly profiles are uniformly curved. The dorsal fin is displaced closer to the caudal peduncle. The mouth is terminal, the eyes are large. The caudal fin is two-lobed. The lateral line is incomplete.
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Color:the back is olive with a golden tint. A dark stripe stretches along the body, bounded at the top by a thin gold line. The abdomen is light. A dark line runs along the base of the anal fin. The bases of the dorsal and caudal fins are reddish. The caudal fin is transparent in young fish, and red in adults. There is a dark border on the scales.
Size: up to 5 cm.
Life expectancy: 2-4 years.
Aquarium: species, general or Dutch oblong aquarium.
Dimensions: a school of 6 fish requires an aquarium with a volume of 50-70 liters and a length of at least 40 cm. For a school of 10 tails, a volume of at least 100 liters is required.
Water: pH 6-7.5, dH 4-12 °, aeration, powerful filtration (peat is added to the filter element), weak flow. Weekly water changes up to 20-30%. Red-tailed rassbora is sensitive to a lack of oxygen and an excess of dissolved organic matter in water.
Temperature: 23-25 ° C.
Lighting: top, diffused.
Primer: any dark color.
Plants:live plants, planted along the back and side walls of the aquarium, on top are several bushes of floating plants with long roots (pistia).
Decoration: driftwood, roots, stones and other decor. Free swimming space required.
Feeding: In the wild, the Borapet Rasbora feeds on small insects, worms, crustaceans and other zooplankton. In aquariums, it takes live (insects and their larvae, plankton, small cyclops, daphnia, bloodworms) and dry food.
Behavior: mobile, schooling fish, which must be kept in groups of 6-20 individuals.
Personality: peaceful.
Water zone: middle and upper water layer.
Can be kept with: small calm fish (other types of rasbor, tetras, small barbs, loaches, belontias, gourami, plecostomuses, cockerels, zebrafish, acanthophthalmus, trigonostigmas, badis-badis).
Not to be kept with: large, aggressive fish.
Breeding fish: spawning in pairs, portioned. Producers are seated for 7-15 days and fed abundantly with live food. Up to 10% of the water volume is changed every day. A spawning aquarium with a volume of 30-60 liters, a separator mesh and several bushes of small-leaved plants are placed on the bottom, several bushes of floating plants are placed on the surface. Natural lighting, aeration, filtration (using a low-power sponge filter), the water level is 15-20 cm. The spawning box is covered with a cover glass from above. Water parameters: T 24-27 ° C, dH up to 1.5-3 °, pH 5.5-6.5. Fish are planted in the spawning grounds in the evening, and spawning usually begins in the morning. After spawning, the water level is lowered to 10 cm, and the aquarium itself is darkened.
Sex differences: the male is smaller, slimmer and brighter than the female.
Puberty:occurs at the age of 8-10 months.
Number of eggs: 50-200 eggs.
Incubation period: 18-48 hours.
Progeny: juveniles swim for 3-4 days. Low aeration is required in a nursery aquarium. 40 day old fry are transplanted into a larger aquarium with a water level of up to 30 cm.
Feeding juveniles: starter food - "live dust", rotifer, ciliates, then - brine shrimp and cyclops nauplii.
Jigging from parents: after spawning, producers are jigged.
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