Threadfin Rainbow (iriatherina werneri) (2cm) - Home Bred

The Threadfin Rainbowfish is a small fish with a long thin silvery
body, black fins and some yellow and red colouration. The males have
long feathery fins and grow longer than the females.  Very
peaceful fish, but not suitable for the general community aquarium
since it's easily outcompeted for food and the long fins of mature males
may be nipped at by certain common species. It's a shoaling species by
nature and really should be kept in a group of at least 6 specimens,
ideally 10 or more. Maintaining it in such numbers will not only make
the fish less nervous but result in a more effective, natural-looking
display. Males will also display their best colours and some fascinating
behaviour as they compete with one other for female attention.