All fish / Carangidae

Indian Threadfish

Alectis indica

Also known as indian threadfin trevally, indian mirrorfish, threadfin trevally, diamond trevally, alectis indicus, mirror fish, threadfish, ปลาจุ้มเงิน, ikan cermin, cermin, イトヒキアジ, ikan kuwe rambut

A tall, flat, mirror-silver trevally whose young carry long trailing filaments on the dorsal and anal fins. Juveniles are kept for their striking shape and shimmering look, mainly in public aquariums and very large home systems.

Care at a glance

Care level

Hard

Temperament

Semi

Adult size

60 cm

Temperature

24 to 28 °C

pH

8.1 to 8.4

Smallest tank

4000 litres

Keep as

Singly or a small group in a very large system

Diet

Carnivore: small fish, shrimp, squid and other meaty frozen foods

Swims

Middle of the tank

Lifespan

10 to 15 years

Water

Marine (saltwater)

Wild range

Indo-West Pacific: Red Sea and East Africa to Japan and Australia

Breeding

It spawns in open water and the eggs and larvae drift in the plankton. It has not been bred in home aquariums.

Good to know

It grows very large, with wild fish exceeding 1 m and 160 cm recorded, and will eat any tankmate that fits in its mouth. The valid name is Alectis indica; Alectis indicus is a misspelling of the gender form.