Blue Spotted Hill Trout (Barilius bakeri)
The Blue Spotted Hill Trout is not suitable for the general community aquarium. This is because of its environmental demands, and the fact that they are likely to outdo and intimidate slow-moving and less bold species at feeding times since it is a swift swimmer and vigorous feeder. It would help if you also excluded much smaller fish as they may predate them. Therefore the best tankmates for these fish are similarly-sized, robust, similarly competitive cyprinids.
It would help if you kept these fish in groups of 5 or more as this will allow them to develop a pecking order which will prevent smaller fish being targeted.
The Blue Spotted Hill Trout is not suitable for the beginner aquarist as they are intolerant to the build-up of organic waste and require pristine water at all times to thrive. It will also fair better if there is a moderate degree of water movement and a high balance of dissolved oxygen.
This fish displays a single row of bluish-green spots along the stretch of the body with the last spot being a much darker blue to black. These spots begin to get smaller and fade slightly as the fish ages. White specks are also present on the tip of the dorsal and anal fins.
Tank Mates for the Blue Spotted Hill Trout
1 ideal tank mate ideas for the Blue Spotted Hill Trout include:
Quick Facts | |
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Scientific Name | Barilius bakeri |
Other Names | Royal Danio, Blue-dotted Mirror Fish |
Classification | Actinopterygii |
Order | Cypriniformes |
Family | Cyprinidae |
Genus | Barilius |
Origins | India |
Temperament | Semi-Aggressive |
Aquarium Level | Middle - Top |
Difficulty | Intermediate - Advanced |
Shoaling | Yes |
Best kept as | Groups 5+ |
Diet | Omnivore |
Reproduction | Egg-Scatterer |
Lifespan | up to 10 years |
Water Parameters | |
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Water Type | Freshwater |
PH | 6.0 - 7.5 |
GH | 2 - 10 |
TDS | 18 - 179 |
Temperature | |
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64 - 79℉ 17.8 - 26.1℃ |
Photos of the Blue Spotted Hill Trout
Natural Habitat
The Blue Spotted Hill Trout is endemic to Vamanapuram, Kallada, Ithikkara, Karamana, Bharatapuzha, Muvattupuzha, Periyar, Kabini, Chalakudy, Valapatanam, Chaliyar, Neyyar, Pampa, Meenachil, Manimala, Achankovil, Pambar, Chandragiri, Karyangode, Kuppam, and Bhavani River Systems as well as the Western Ghats mountains in southwestern India.
These species inhabit well-oxygenated, moderate to fast-flowing rivers and streams at medium to high altitudes and their substrate is usually either cobbles, gravel, exposed bedrock or large boulders.
What to feed the Blue Spotted Hill Trout
In captivity, you can offer them high quality dried products such as flakes and granules, but you should supplement that with frequent meals of live and frozen food such as bloodworm, chopped earthworms and Artemia. Bear in mind this fish is a surface feeder so will not touch any food that falls to the bottom.
How to sex the Blue Spotted Hill Trout
It is relatively easy to differentiate the sexes in the Blue Spotted Hill Trout. Adult females are not as vividly coloured as the males and grow thicker bodies and are generally more massive than the males, especially while gravid. In contrast, the males when in courting develop tubercules on their head, and the lower section of the body reveals orange pigmentation.
How to breed the Blue Spotted Hill Trout
Unfortunately, there are no existing reports of breeding successes; however, some have said that spawning can be stimulated by performing massive water changes with cold water, but raising the fry has been impossible.
Frquently asked questions about the Blue Spotted Hill Trout
Are Blue Spotted Hill trouts a shoaling fish?
Can you house Blue Spotted Hill trouts in a community tank?
How can you tell if your Blue Spotted Hill Trout is male or female?
Nuptial males develop breeding tubercles on their heads and display orange pigmentation on the lower portion of their body.
What does the Blue Spotted Hill Trout look like?
What should I feed my Blue Spotted Hill Trouts?
You may also give them fruit flies and small crickets, provided they are gut-loaded before use.