Red Tail Botia Loach

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Red Tail Botia Loach

Red Tail Botia, Yashuhikotakia modesta, also known as the Blue Botia, is commonly distributed throughout much of the middle and lower Mekong basins in Thailand, Laos, Cambodia, and Vietnam plus the Chao Phraya and Mae Klong drainages in western and central Thailand. Red Tail Botia's are considered semi-aggressive and mildly territorial, but not anywhere near the Skunk Loach for aggressive behaviour. Red Tail Botia loach can be identified by their blue-black body colouring and orange fins. Red tail botia may also display a black dot on their backs above the tail.

The Redtail Botia Loach is a semi-aggressive fish that enjoys the company of its own species, or other semi-aggressive fish. It will school with other loaches of the same age and size. To encourage schooling, it is recommended that red tail loaches are kept in groups of 5 or more in a spacious aquarium in order for them to establish their territories. The fish tank habitat should have a softer substrate, like sand or fine gravel, to protect their sensory barbels. Construct an environment with plenty of hiding spaces, such as driftwood, rocks or bark, to ensure they can establish suitable territory. Red Tail Botia loaches will often burrow in the sand underneath rocks and bogwood.

Are Red Tail Botia loaches aggressive?
Redtail loaches are territorial and can be semi-aggressive towards other bottom feeders and low-level swimmers, although this is generally rare and unlikely to persist long term. Housing Red Tail Botia in groups will lower aggression. You can house Red Tail Loach with other semi-aggressive botia species (loaches) or bottom feeders such as corydoras or plecos, but avoid skunk loach as they are likely to threaten their territory.

Will Red Tail Botia Loach eat snails?
Yes the Red Tail Botia loach will eat snails, and also other crustaceans. Take care not to house Red Tail Loach with ornamental snails or shrimp, such as cherry shrimp. They will attack and eat snails of any size, including apple snails (large) and pest snails (small). They are commonly used to control pest snail levels in larger fish tanks.

Approx. supplied size: 2" / 4-6cm
Maximum size: 10" / 25cm
Origin: Asia
Famil: Botiidae
Ideal number kept together: 5+
Temperament: Territorial, semi-aggressive

Water conditions
Our conditions: pH 7.5 temp 24°C
Ideal pH: 6.5–8.0
Hardness: 2-15 dGH
Ideal temperature: 24–30°C
Lighting: moderate
Water flow: high, well oxygenated

Ease of Care
Moderate. Redtail loach should be considered semi-aggressive and housed accordingly. A soft substrate is essential. They can also grow quite large, up to 10" inches, but in household aquaria they will typically reach only 7-8".

Omnivore. Red tail loaches are happy with catfish pellets, flake and granules, and will eat meatier live and frozen food occasionally to supplement. They will eat snails and other crustaceans, including shrimp.


Redtail botia can be territorial and semi-aggressive, but will shoal with other loaches of a similar size (although avoid skunk botia)

Egg layers. Not commonly bred in captivity. Females tend to have a rounder body than males.

Life Span

Red Tail Botia Loach can live up to 5 years in perfect conditions.

Please note we cannot hand-pick male or female unless specified in the listing. Photograph is for illustrative purposes intended as a guide to the species you will receive. Shades and patterns may vary.

For more information on general fishkeeping and our shipping procedures click here.

skunk loach care

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