Leporinus stats infographicLeporinus, also known as Leporinus fasciatus or banded leporinus, is a widespread fish species in the South American fast-moving waters.

Their rapid growth and dynamic character can be unsettling for a beginner aquarist. Nonetheless, this tropical fish is peaceful among other same-sized tank mates.

This article gives a detailed description of the Leporinus fasciatus, how to take care of it, its maintenance, and breeding.

Leporinus Stats

Below are leporinus stats, its binomial profile, and diet stats.


Leporinus fasciatus

Common Name:

Leporinus, Black-banded Leporinus.

Size: Up to 10 inches (25.4cm)
Habitat: SOUTH AMERICA: Venezuela, tributaries of the Amazon
Min Tank Size: 70 gallons for an adult. 125 gallons for a group.
Diet: Herbivorous. Will accept flake frozen and some live.
Behavior: Peaceful, can nip fins. Keep alone or in groups of six or more to keep down aggression.
Water: pH: 5.5 to 7.5, Soft to medium. dH range: 2.0 – 20.0, temperature: 73 F to 84 F (23-29 C)
Care: Medium, they can jump.
Communities: Good, watch for fin nipping. Keep with other medium to large fish.
Suitability: Good for all who can meet its needs.

– Quick stats

Leporinus size Up to 12 inches (30cm)
Tank size (minimum) 48 inches
Strata Bottom to middle
PH 5.5 to 7.5
DH 2. to 20.0
Temperature (73 to 84) F
Lightning Low
Water movement Rapid

– Binominal Profile

The profile stat contains information on its scientific names, their origin, and other data

Order Cypriniformes
Suborder Characoidei
Family Anostomidae
Genera Leporinus
Origin South America
Aquarium Strata Mid to Top
Diet Omnivore
Reproduction oviparous

– Food stats

Feed your leporinus multiple times with bite-sized portions. Below are its basic diet requirements, which should guide in developing a feeding roster.

Food Type Leporinus fasciatus
Flakes/ wafer Yes
Pellets Yes
Live Food Occasionally
Vegetable Yes
Meaty occasionally

Halfbeak Fish Care

We analyzed the halfbeak fish care based on its ideal water conditions, tank, and feeding/breeding requirements.

1. Water Conditions

The halfbeak is a relaxed species compatible with other like-sized fish making them a perfect addition to a community aquarium. When bred in captivity, their water temperature and pH should range between (75-79) F and 6.8 to 7.5, respectively.

They flourish in hard water, so you should maintain a hardness range of 8-12kz. Regular tank cleaning is crucial to ensure the water quality is top-notch; remove left-over meals and change the water often.

2. Tank

The halfbeak fish are real top dwellers yet very timid. It means they would typically spend most of their time at the surface level of the tank. However, they enjoy tank decor with lots of hiding spaces such as plants, wood, and rocky caved territories.

These epipelagic breeds are incredibly active and typical jumpers, so be sure to cover your aquarium. Use a closed lid but make sure the water still receives a standard amount of oxygen. To do this, fit in a tank outlet via the filter, so airflow is possible.

3. Feeding and Breeding

You may need to transfer the halfbeak to a different aquarium as it requires shallow water levels during spawning. It is crucial to put them together in a tank based on sizes as the larger would undoubtedly prey on the minor. They would mainly feed on insects, worms, and other minor sea animals as they are carnivorous.

Black-Banded Leporinus: Body Form and Coloration

– Brief Description

The black-banded leporinus is brightly colored with band-like black and yellow stripes on its body, making it an attractive addition to an aquarium. They are aggressive about food and become destructive when you do not feed them properly. They would try to eat the plant-based decor if it is edible and attack smaller fish scales and fins at any opportunity.

According to seasoned aquarists, they are hardy yellow and black striped tropical fish.
You will not be able to differentiate between a male or female leporinus until it is mature.

Nonetheless, the adult female appears bigger with a round-shaped abdominal region. In contrast, the male maintains its midget submarine shape even up to maturity.

– Body Form and Coloration

All young leporinus have five matching black-colored band-like patterns on its body. However, each growing leporinus adult band pattern would divide individually on its own bi-yearly until it has a total of nine or ten markings. The number of markings on its body depends on the species; the Leporinus fasciatus possess nine, while the Leporinus affinis has ten. The two listed leporinus cichlids are pretty similar but have different shaped caudal fins.

You may be able to estimate its age by looking at its stripes; however, it would be difficult for a beginner aquarist. This striped leporinus has a shape like a mini or midget submarine.

It has a long body, curved back, and slim tail area with hare or rabbit-looking front dentition. To identify a mature leporinus that is due for breeding, you have to compare the fish. This black and yellow striped fish modifies its distinct yellow color to a brighter shade as it develops.

Leporinus Tank Mates; Compatibility and Ideal Companion

The leporinus tank mates should be fish with similar growth sprouts as they tend to prey on smaller-sized fish’ fins. Valid, the leporinus is serene but would attack or fight its kind from time to time. They survive better in larger groups because it makes them compatible and more tolerant, unlike smaller schools. Leporinus are naturally territorial, particularly about their food.

A good suggestion list of leporinus tank mates includes the same-sized and active; calm cichlids, reophile fish, Doradids, knife fish, and loricariids fish types. The Angelfish type would not survive with a leporinus fish because of its fin length and sluggish nature. Breed a few same species leporinus per tank to reduce aggression outbreaks; at the most, six co-specific fish per group.

Leporinus Breeding

There is limited insight about the leporinus breeding while in captivity, yet they are not going extinct. Nonetheless, in its natural habitat of rapid tropical waters and at full maturity of about 15 cm, they find mates. The leporinus species pair would instinctively move towards water-logged groves and build a nest when it is ready to breed.

They are oviparous, so the females lay, while the male fertile the eggs and watch over them until hatching periods. Unlike the Leporinus fasciatus, the leporinus sp. would not bother to watch or gathering its eggs.

Leporinus Habitat

The black and yellow striped fish are active middle strata dwellers that can jump high. So their tank must be tightly covered with an adequate lid but possess an oxygen source. Its natural habitat is the rapid rocky streams in Brazil and other parts of South America. All leporinus like to hide in the sand or put its head in between rocky surfaces to find food.

Therefore, you should reproduce its natural domain by placing smooth gravel at the bottom of the aquarium. It provides the fish with the wild grazing simulation experience like in rivers and streams. Attach a powerhead water outlet; It would produce a steady, fast-moving flow. The striped leporinus would comfortably reside lifelong in a river with fast water and rocks cascades like below a waterfall.

Leporinus Diet – What Do They Eat?

Leporinus fishThe leporinus species are omnivores that would feed on smaller sea animals like insects or worms and plant matter. However, because of its hare-like crushing dentition, it can also eat snails.

Below are more details on the leporinus diet.

– Black-banded Leporinus

This yellow and black striped tropical fish would eat whatever you feed it but would tilt towards more plant-based meals. They appreciate various vegetables and enjoy other nourishment types (such as wafers, frozen food, pellets, life food, or flakes). Be cautious and regulate the protein content in their food because any excess is detrimental to their health. Its carnivorous meals may also include worms and shrimps but not fleshy or live meat.

Black-banded leporinus will quickly eat snails as snacks or boiled peas as treats, giving them nutritional benefits. These bottom feeder species would occasionally go deep into the water in their natural habitat to graze on algae, fruits, or seeds in the wild. The leporinus cichlids appear incapable of breaking down meaty meals but would still prey on smaller fish. They do not like to share meals, so they become aggressive and territorial at mealtimes.

Black-Banded Leporinus Likely Diseases

The black-banded leporinus is likely to contact skin disease due to parasites (such as worms, Rhinoxenus arientinus, and Klossinemella iheringi), Nematoda, bacterial exposure, and flukes. It is crucial to note that all the tank’s content is susceptible to giving or receiving disease attacks. For example, if you place a contaminated decor into the aquarium, its bacteria would circulate and infect the fish. This is particularly true if you do not change the tank’s water as often as you should or put a sickly fish into the tank.

In case of contamination with a sensitive species, all the fish would already have the disease before the indications appear. Even in cases where one of the fish in the school gets an infection, separate the ailing one and treat the others for the same problems. It would prevent the spread and reoccurring sicknesses or resistant strains in long-term situations. So you have to be observant to notice any signs or symptoms and clean the tank often to prevent major outbreaks.

The banded or striped leporinus would usually fight off the diseases independently, so fewer chances of spread. PH levels, proper diet, hardness, and temperature are not excluded in this issue; instead, they must keep the fish well and active. Imitating their wild habitat in their tank keeps the leporinus well-rested and adjusted; remember that discomfort results in stress. Stress is like a channel for illnesses, so keep them happy.

Below are two likely parasitic infections a leporinus is prone to and their treatments.

1. Flukes

Leporinus are prone to flukes; they can get it from contamination in the water or other fish in the aquarium. The fluke can be a type of flatworm with a length of 1 millimeter.


  • The banded leporinus is itchy and rubs itself on different decor in its tank.
  • The gills and parts on its body are covered in a mucus-like membrane or covering.
  • The skin shifts from its bright color yellow to a hue of red.
  • In cases of severe exposure to the fluke;
  • The leporinus would be less active and breathe abnormally.


In a separate tank, put in potassium permanganate at a ratio of 10 milligrams to a liter. Please be aware that this medication leaves a dye hue in the aquarium. Allow the fish to soak and swim in the medicated tank for 30 minutes at a time.

– Nematoda

Nematoda, like the fluke infestation, is another parasitic disease caused by threadworms. They infect different parts of the leporinus species but become visible when they are in its anus.


  • Visible threadworm suspending from its anus
  • Hollow belly


  • In severe cases, you should destroy the fish to stop the spread to other cohabiting mates.
  • However, you can feed the sick fish with meals moistened in parachlorometaxylenol.
  • Alternatively, buy medicated grub that has thiabendazole in it.
  • Make a fish bath with the same medication but at a dosage ratio of 10 milliliters to one liter and transfer the fish to remain in the water for a few days.


  • Leporinus tank matesThe leporinus are benign yet troublesome towards smaller fish.
  • They tend to jump out of their aquarium, so make use of a ventilated lid.
  • They are middle to top strata dwellers.
  • They enjoy vegetables than meat but would comfortably feed on both.
  • They have developed front teeth to crush through snail shells and hard fruits.
  • They hardly breed in captivity; in fact, there is no documentation on that.
  • They pair up with mates when they are fully grown.
  • They can grow fast and need a big tank.

Leporinus fasciatus is a resilient species of fish that hardly fall sick except in awful conditions. Suppose it doesn’t bother you to separate your smaller fish from the larger leporinus. In that case, they are an attractive addition to your community aquarium.

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