<p><b>Calamorhabdium kuekenthali</b> is a slender, 10-15 cm freshwater species found in the lush river systems of Southeast Asia, known for its agile swimming and vibrant greenish-brown coloration that provides excellent camouflage. This diurnal fish feeds on small aquatic invertebrates and plays a vital role in maintaining ecological balance, while currently facing threats due to habitat loss and pollution.</p>