Most adults are roughly 28 cm long and are generally dark iridescent blue above, silvery white below.

Pectoral fins are black and with a yellowish stripe in the middle.

Pelvic fins have prominent black spot, which can clearly identify the species.

[2] The blacksail flyingfish is a widely spread fish that can be found tropical water of Indian, West Pacific and parts of Atlantic Oceans.

It can be seen along Brazil, South Africa, Madagascar, Sri Lanka, India, Pakistan, Bangladesh, Sumatra, Indonesia, Japan, Taiwan, Fiji, Borneo, and Australia.