Endangered
Lake Kutubu rainbowfish
Melanotaenia lacustris
Lake Kutubu rainbowfish is a rainbowfish in the family Melanotaeniidae (order Atheriniformes) — Melanotaenia lacustris, recorded as Endangered.
The rainbowfish
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
The Lake Kutubu rainbowfish is a fish in the family Melanotaeniidae. It is one of 13 fish endemic to Lake Kutubu, a lake found within the Kikori River system in Papua New Guinea.
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
Lake Kutubu rainbowfish is 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 English Wikipedia article on Lake Kutubu rainbowfish — often a short stub, Wikidata item Q623063. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.



