| Aspect: | Slender silvery oblong shaped, with small narrow-forked tail. |
| Population: | Common. |
| Notable feature: | Narrow forked tail. There are more than a hundred sub-species in this group, identification thus requires taking a specimen out of the water. |
| Environment: | Lives in schools, in sheltered shallow waters . |
| Behaviour: | Constantly moves away when approached. Difficult to photograph. |
