Labeo thailandica (Epalzeorhynchos frenatus)

Aquarium enthusiasts love the Labeo thailandica, also called Epalzeorhynchos frenatus, which is a popular freshwater fish. This fish brightens up any tank with its brilliant colors and sleek body.

This species is well-known for its lively disposition and unusual habits; it is frequently observed investigating every area of the aquarium. It can be territorial, though, particularly when around other bottom-dwelling fish, so thoughtful tank design is crucial.

Habitat and habitat

Asia: Meklong basin; river basins of Mekong, Chao Phraya, and Xe Bangfai.

According to reports, they are indigenous to Thailand, Laos, and Cambodia. They were formerly common, particularly in Thailand, where they were discovered in the provinces of Chiang Mai, Phrae, Phitsanulok, Nakhon Sawan, Chainat, Kanchanaburi, Phra Nakhon Si Ayutthaya, Nakhon Ratchasima, and Ubon Ratchathani, as well as in the Mae Klong, Chao Phraya, and Mekong river basins.

"Chiang Mai, northern Thailand" is the type locality.

Lao people are restricted to the area where the Mekong River flows, which includes the lower reaches of the Xe Bangfai River, one of the last unspoiled rivers in Laos before it was dammed, and the area above and below the Khone Phapheng Falls. It is believed to exist in the lower Mekong River in Cambodia, at least downriver from the country’s capital, Phnom Penh.

Given that numerous populations have experienced population declines or even total extinction in recent decades, it is unclear how widespread it actually is at this time. For instance, it has supposedly not been sighted in the upper Mae Klong River for the previous ten years.

Although there is no evidence to support the theory that overfishing is the main cause, it is more likely that extensive environmental changes, like damming large rivers and draining swamps, have hampered the species’ ability to reproduce. It is highly unlikely that wild specimens are currently available in the aquarium trade, and all of them are most likely bred on commercial farms in Thailand and other countries.

Residence

It is known that during the rainy season, they migrate to seasonally flooded floodplains or forest areas. They are most frequently seen over sandy or rocky bottoms in streams and rivers. It is thought that humans have interfered with these migratory routes.

Description

It features a flat ventral line, a large black spot at the base of the caudal fin, and a greenish-brown body that is slightly compressed laterally. The red, dull black coating covers the dorsal, anal, and pelvic fins.

The lower mouth has two pairs of barbels and resembles a scraper-sucking cup.

Forms of albino and glofish exist.

Size:

The standard length ranges from 130 to 150 mm.

Behaviour and compatibility

Although juveniles typically stay hidden, as they get older, they become more territorial and have been known to exhibit extremely high levels of aggression toward other species.

It’s possible that some people are more aggressive than others. Reports have surfaced of alleged coalitions with other species, including the Clown Loach. Please be aware that not all loaches can be kept together.

It’s best to stay away from other bottom fish, such as most catfish and cichlids. Select robust, active, schooling cyprinids for the upper levels.

In order to prevent it from taking over the entire tank, the Labeo Green should ideally be the last fish added.

In the wild, this species is probably solitary and only comes into contact with other members of its kind during the spawning season. As the fish gets older, these instincts become stronger, so it’s usually best to leave it alone.

Aquarium

The smallest aquarium size that should be taken into consideration is 120 x 45 cm.

This species is fairly unpretentious in terms of decoration and shouldn’t harm plants with softer leaves as long as it has enough hiding space. A habitat that resembles a river with flowing stones, gravel, and some larger, water-washed boulders will be ideal for this species.

Additionally, you can affix plants from genera like Thai fern, Bolbitis, or Anubias to them, as well as add roots and branched driftwood. The fish will graze on the algae and related microorganisms that grow as a result of the bright lighting.

It does not tolerate the buildup of organic waste at all, and like many fish that live in running water naturally, it does best in environments with high dissolved oxygen levels and moderate water movement.

Water parameters:

Outside temperature: 20–27°C pH range: 6.5 to 8.0 Intensity: 5–12° dGH

Regular water changes and aeration-based filtration are required.

Feeding

It consumes algae, tiny crustaceans, insect larvae, etc. in the wild. Small live and frozen foods like brine shrimp, daphnia, and bloodworm larvae should be regularly fed to it in order for it to develop its best color and condition. In addition to premium dried flakes, pellets, and fresh greenery.

Peeled peas, chopped fruits, blanched zucchini, cucumber, and spinach are all excellent additions to the menu.

Sexual Dimorphism

Juveniles cannot be properly sexed, but mature females are notably fatter than males. Anal fins on males should likewise have a dark edge.

The popular freshwater fish Labeo thailandica, sometimes referred to as the Red-Finned Shark or Rainbow Shark, is noted for its vivid colors and lively disposition. This species is a favorite among aquarists because it does well in clean, spacious aquariums with lots of hiding places. Its territorial nature, however, means that tank mates must be carefully chosen. Maintaining a peaceful and healthy aquarium environment requires an understanding of the requirements and characteristics of Labeo thailandica.

Breeding

They are raised in large quantities for the trade with the aid of hormones, but as far as is known, they have not been bred in home aquariums.

The red-finned shark, or Labeo thailandica, is an intriguing addition to any aquarium. It is a remarkable fish that can add life to your tank because of its vivid colors and lively mannerisms.

This fish can flourish in a well-designed community aquarium, but its territorial nature means that it needs to be carefully considered when choosing tank mates. Having plenty of room and hiding places helps lessen hostility and promote peace in the workplace.

Although taking care of Labeo thailandica is not too difficult, diet and water quality need to be considered. This fish can be a durable and eye-catching addition to your aquarium with the correct care.

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