Boesemani Rainbowfish – Care | Size | Tank | Female | Male

Boesemani Rainbowfish

Boesemani Rainbowfish, scientific name Melanotaenia boesemani or Boeseman’s rainbowfish is a freshwater ray-finned fish from the Melanotaeniidae family. The fish is called after the researcher Dr. Marinus Boeseman, who found it in the course of the 1954 expedition.

After 26 years, in 1980, this species was “rediscovered” and at last obtained an entire scientific description.

Boesemani Rainbowfish profile

The fauna island territories of Indonesia have given us lots of engaging aquarium fish species, amongst which highlights the “Boesemani Rainbowfish”.

The fish has a really peaceable character, high exercise, and ease in conserving, and on account of these details, This fish is beloved by many aquarium hobbyists.

Even although the species is sort of new within the aquarium business, the recognition of this fish may be very high.

Boesemani Rainbowfish is a big (more than 10 cm) fish, which is distinguished by a relaxed attitude in direction of their tank mates and dwelling vegetation. Their vibrant shade and “fussiness” are instantly evident.

Boesemani Rainbowfish fry seems to be grey and inconspicuous, however, it’s value conserving them in a spacious aquarium with appropriate water parameters, feeding them with quality meals, they usually flip into magnificent inhabitants.

Unfortunately, on account of uncontrolled fishing and destruction of natural habitats, the species was on the verge of extinction and is listed within the International Red Book.

The Indonesian authorities are taking steps to guard the natural populations of Boesemani rainbowfish.

Boesemani Rainbowfish Appearance

The Boesemani Rainbowfish has an elongated high oval body, compressed from the perimeters. In males, a well-defined “keel” is noticeable below the pinnacle.

The head is slim, with a terminal mouth and huge eyes. The ordinary size of the male is 10-12 cm, and the feminine is about 8 cm.

The dorsal fin in rainbowfish is bifurcated: its front half is small, and the back fin extends from the center as much as the tail. The anal fin is situated symmetrically within the decrease half. The tail is extensive, two-lobed.

The coloration of Boesemani Rainbowfish is attention-grabbing: the front part of the body is blue, and the back is yellow-orange.

In the place the colors turn into one another, you possibly can see a number of transverse darkish stripes. Sexually mature males have such a variegated shade, females are colored darkish blue with a silvery sheen.

The long unpaired fins look orange with white or greenish edging. Paired pelvic and pectoral fins look transparent or with a slight bluish sheen.

The shade of this rainbowfish is an efficient indicator of the situation of the aquarium.
When situations deteriorate, the fish develop into pale.

The life expectancy of Boesemani Rainbowfish in house aquariums is 6-Eight years.


Boesemani Rainbowfish are endemic to the western part of the island of New Guinea (belongs to Indonesia). Here they are often discovered within the waters of three small lakes – Aumaru, Hain, and Aitinjo, in addition to small rivers of their space.

The water in these biotopes is characterized by transparency, high hardness, and pH values.

Fish prefers to stay in shallow water amongst dense thickets of aquatic vegetation. Catching fish in natural habitats is prohibited; they arrive at the market from particular fish farms.

Feeding Boesemani Rainbowfish

The natural diet of Boesemani Rainbowfish is diversified: bugs and their larvae, small crustaceans, and items of vegetation.

At home, it’s best to feed the fish with high-quality dry meals, which might present them with the total range of vitamins and won’t develop into a possible source of an infection, in contrast, to stay and frozen meals.

Rainbowfish choose to feed within the higher and center water so TetraMin and Tetra Phyll flakes or pellets work nicely.

Don’t overlook to pamper your rainbows with natural treats in Tetra FreshDelica Nutritional Jelly. Artemia silt bloodworms will certainly please your fish.

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Boesemani Rainbowfish Aquarium Setup

To maintain Boesemani Rainbowfish, an aquarium of no less than 100 liters is required, ideally, it ought to be prolonged in size. This is necessary for 2 causes.

Firstly, the rainbowfish are schooling fish, they need to be saved within the quantity of 6-10 or more people.

Secondly, representatives of this species are unusually mobile, they need an area for a cushty life. For the identical purpose, the aquarium will need a lid to stop the rainbowfish from by accident leaping out.

Any soil appropriate for rising stay vegetation can be utilized. It is really useful that the aquarium has areas of dense thickets through which the fish can conceal, as they love to do in nature.

You can maintain nearly any sort of plant: Echinodorus, Cryptocoryne, Anubias, Cabomba, and so on.

You also can use natural driftwood for surroundings functions.

Boesemani Rainbowfish loves aquariums with stable water parameters so that they shouldn’t be positioned in newly stuffed aquariums. Good filtration is necessary (an exterior filter is the finest).

At the identical time, the present shouldn’t be sturdy, as a result of the rainbowfish are inhabitants of principally stagnant bodies of water. Adequate aeration is equally necessary.

Boesemani Rainbowfish Care

Once per week, water adjustments are required within the quantity of 20% of the quantity of the aquarium. This will assist take away poisonous metabolic merchandise from it.

Most typically, water for adjustments is taken from the central water provide, however it’s value remembering that the water that has reached your faucet may be harmful to aquatic inhabitants.

Dissolved substances comparable to chlorine or heavy metals can kill fish or decrease their immunity. Many people use sedimentation of water, however, this solely helps to do away with chlorine, however, its compounds from the water are not going to disappear wherever.

Tetra AquaSafe Conditioner is the easiest way to immediately make the water habitable on your fish. It not solely immediately binds chlorine and heavy metals, but in addition, enriches the water with helpful nutritional vitamins and microelements.

Thus, the need to settle water turns into irrelevant,

It is value noting that Boesmani Rainbowfish choose more alkaline and laborious water.

Optimum water parameters for Boesmani Rainbowfish: T = 24-27°C, pH = 7.0-8.0, GH = 10-25.

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Boesemani Rainbowfish Tank Mates

Despite their fairly massive size, Boesemani Rainbowfish are peace-loving fish. They go nicely with different varieties of decorative fish, with just one caveat – the tank mates shouldn’t be very sluggish.

The rainbowfish are lively and with their fixed motion, They can drive some fish in a state of stress and not point out the truth that timid tankmates could merely not get meals.

The finest tank mates for Boesemani Rainbowfish shall be species that are comparable in temperament: barbs ( Tiger Barb Fish, Denison Barb, Rosy Barb, and so on.), Silver Shark, Congo tetra, Zebrafish, Angelfish, Gourami fish, Mollies, Swordtails, and lots of others.

You can maintain Boesemani Rainbowfish with bottom-dwelling fish: Loaches, Corydoras, Ancistrus, Spotted Hoplo Catfish.

You can put shrimps as nicely with Boesemani Rainbowfish however solely massive species are appropriate: Amano Shrimp, Bamboo Shrimp.

You can maintain Boesemani Rainbowfish with African cichlids as nicely who are quick and like laborious water.

Reproduction and Breeding

At home, you possibly can simply get the offspring of Boesemani Rainbowfish. This would require a few probably the most stunning and wholesome producers.

It is possible to differentiate feminine from male-only after the onset of puberty – at the age of 10 months.

Boesemani Rainbowfish Males have a taller body and are brighter in shade.

It is finest to separate and feed abundantly a while before spawning. For breeding, you need an aquarium of 40 liters or more, through which you must set up a small filter and plant small-leaved vegetation.

When the feminine is prepared for spawning (that is seen by the thickening of the stomach), she is planted with the male in a spawning container.

The temperature may be as much as 27-29 ° C which might stimulate fish. Spawning in rainbowfish is fairly long: each day the feminine lays a small portion of eggs and sticks it to plant leaves.

The male instantly fertilizes the eggs. Upon completion of spawning, the producers ought to be eliminated as they don’t present take care of the offspring.

Incubation lasts 7-12 days, after which fry are born, which rapidly switches to self-feeding. It is necessary to feed the fry little by little, however, typically, food particles are eliminated with a siphon.

Fry may be saved in a standard aquarium once they attain a size of 3-Four cm. Read more about blobfish-in-water-how-blobfish-survives-underwater.

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