Taxonomy & naming
Dan's Fish sells this fish as Melanotaenia sp. "Oneli". This is an undescribed form: its identity and range are not documented in the atlas's sources. "Oneli" is a trade name; what it refers to is not documented, and the listing does not say.
Morphology
Dan's Fish gives no colour or adult size for this form. It describes rainbowfish generally as peaceful and active, with males flashing a bright iridescent stripe.
Habitat
The seller gives no origin. Melanotaenia are rainbowfish of New Guinea and northern Australia (genus-level).
Feeding
Not recorded for this form. Rainbowfish are generally omnivores that take small invertebrates, algae and prepared foods (genus-level).
Mating
Not recorded for this form.
Breeding
Not recorded for this form.
In the aquarium
Dan's Fish lists the stock as aquarium bred and raised, with an estimated shipping size of 2 inches (2 in).
Conservation
The form has no IUCN assessment known to the atlas, and its wild status is not documented.