Scientists from Indonesia and Japan have just revealed a captivating discovery from the Borneo rainforest: two recent species of frogs have been scientifically identified.
These frogs were named Limnonectes maaanorum AND Limnonektes Nusantara. They were discovered within the Merratus mountains during a field survey conducted by a joint team from the Biosystematic and Evolution Research Center (PRBE) of the National Research and Innovation Agency in Indonesia (Brin), Palangkaaya University, Aichi University of Education and Kyoto University. The discovery was published in The Scientific Journal Zootaxa January 24, 2025
Identified by genes and physical characteristics
Both frogs resemble morphologically Limnonectes khlaiA species already known to science. However, using a scientific approach that mixes DNA evaluation (specifically 16s RRNA) with detailed physical commentary, scientists have found that these frogs have significant genetic differences, creating clear evolutionary lines.
They were confirmed as recent species, since the evaluation revealed a transparent genetic discrepancy and robust statistical support for his or her status as monophilic clads – that’s, evolutionary groups consisting only of descendants from a standard ancestor.
Habitat and cultural significance
Limnonectes maaanorum present in the world of Mount Karasik Central Kalimantan. The name of the genre honors Dayak Maanyan people living within the region. The locals call this frog as Seletell peopleor “stone frog”.
Meanwhile, Limnonektes Nusantara It was discovered within the Lexado and Pararasan, southern Kalimantan – territories related to the Dayak Moraratus community. The name “Nusantara” was chosen each as an emblem of national identity and referring to the placement of the planned recent capital of Indonesia. Among the inhabitants of Żaba is often known as Lampinik.
Fangs on the jaw, inequalities on the skin
Both species of frogs are medium -sized and have clear features that make them stand out, and above all of the presence of a fang on the lower jaws, especially in men. These “fangs” are literally bone forecasts that imagine that they play a task within the partner’s or self -defense competition.
Other striking physical characteristics include the fingers, bumpy skin and unique body patterns. While two species seem similar at first glance, the form of the leather nodules and the scale of the canine are the important thing indicators to tell apart L. Maanyanorum With L. Nusantara.
Protection: urgent connection amongst threats
The discovery of those two species serves as a critical awakening to guard yourself. Kalimantan – especially the mountain region of Mertus – is home to many endemic species which have not yet been fully documented. Unfortunately, this area can be under strong pressure of maneuvering, climate change, biological use and spread of diseases.
Professor Amir Hamida from Prbe Brin emphasized the urgent need for further exploration and research in these underexposed regions, “this discovery shows that Kalimantan still has many biological secrets. We must proceed to find and conduct research, especially in areas that remain largely intact.”
Such findings make sure the mandatory scientific foundations for developing protection strategies based on data and identifying priority areas requiring protection.







