Critically Endangered
Kokas Rainbowfish
Melanotaenia kokasensis
Kokas Rainbowfish is a rainbowfish in the family Melanotaeniidae (order Atheriniformes) — Melanotaenia kokasensis, recorded as Critically Endangered and tied to Indonesia.
The rainbowfish
It was first described by Allen, Unmack ug Renny Hadiaty in 2008.
Rainbowfishes are slender, schooling freshwater fishes of New Guinea and Australia, usually from a named river or lake.
Silversides and rainbowfishes are usually slender schooling fishes of lakes, estuaries, or clear streams.
Range and habitat
Kokas Rainbowfish is recorded from Indonesia.
GBIF currently lists 1 occurrence point. Those points follow where people logged the taxon — museum drawers and surveys included — not a closed range boundary.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
Habits
Silversides and rainbowfishes need clear water and a place to school. A lake form does not commute to the next basin.
In crisis
Kokas Rainbowfish is Critically Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the Cebuano Wikipedia article on Melanotaenia kokasensis, translated and retold in English, plus Wikidata item Q6409450 and GBIF occurrence geography. Family and order context is original field-guide writing about the group. Wikipedia text is CC BY-SA. Not an IUCN assessment. Confirm status and range on iucnredlist.org.
