Indian Threadfish

This marine aquarium fish is known as Indian Threadfish, Diamond Trevally, Mirror Fish and the correct latin name is Alectis indicus. The family that this fish belongs to is called the Jacks and Pompanos family. (e) Origin of this species is Indo-Pacific. (e)

Character and suggestions regarding care

Aggressive to smaller fish, peaceful toward fish of similar sizes.

Indian Threadfish can grow up to 165 cm what is approximately 64 inches. So 1 specimen requires at least 19800cm² of water surface which is approximately 3069 square inch. It is recommended to raise this species in fish tanks that are very large. (e) Medium aquariums have at least 113 Litres (30 US Gallons). Large aquariums have at least 265 Litres (70 US Gallons). Capacity of very large aquariums is at least 700 Litres (185 US Gallons).

It is difficult to keep the Indian Threadfish. (e) The specific gravity (SG) should be between 1,020 and 1,025, the temperature between 23°C (73.4°F) and 26°C (78.8°F). The suggested level of pH (a measure of the acidity/basicity) is between 8.0 and 8.3 which is usual for most marine fish.

Carnivorous ? eats small fishes, crustaceans, jelly fish and squids. This fish is not suitable for home aquariums because of it’s size.

Thanks to Kenneth Leonard for the pictures. Copyright Ken Leonard.

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Related fish profiles in the database

• Gnathanodon Speciosus (Gold Trevally)
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• Selene Vomer (Dollarfish, Flatjack, Hairfinned Dory, Hairfinned Silverfish, Horsehead, Lookdown, Moonfish, Moonshine, Wireback)

Recommended reading

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• Saltwater aquarium lights
• Saltwater aquarium filters
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• Marine fish diseases
• Protein Simmers in the Saltwater Tank
• Setting up a Saltwater Tank
• Saltwater Fish Tanks
• Cleaner Shrimp
• Pajama Cardinals

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