
26/06/2025
Bandula Pethiya (Pethia bandula) ๐โจ
๐ Bandula Pethiya (Pethia bandula) is a tiny freshwater gem found only in a short, rocky stream near Galapitamada, Sri Lanka. ๐ It grows up to about 4.1 cm in standard length and is very lightweight. โ๏ธ With a lifespan typical of small minnows, it lives a few years in the wild. ๐ Sadly, itโs classified as Critically Endangered (CR) by the IUCN due to its extremely limited range, habitat loss, pollution, and over-collection for the aquarium trade. ๐จ๐ฟ Intensive conservation projects have helped boost its numbers and even created a second โinsuranceโ population. ๐๐ก๏ธ
๐ฌ๐ฟ Special Feature:
The Bandula Pethiya is one of the most range-restricted freshwater fish in the world! ๐๐จ It was originally found in just a single stream in Galapitamada, Sri Lanka ๐ฑ๐ฐ โ meaning its entire global population depended on that tiny stretch of water for survival! ๐ฒ๐ง
Because of this extreme vulnerability, it became a symbol of freshwater species conservation in Sri Lanka. Conservationists later established a second population to prevent extinction โ making it one of the first actively managed conservation success stories for a freshwater fish in the country ๐ก๏ธ๐๐ฑ.
๐ฝ๏ธ Diet of Bandula Pethiya:
The Bandula Pethiya is an omnivorous freshwater fish, and it feeds on a variety of small items found in its stream habitat:
โข Algae ๐ฟ
โข Detritus (decaying plant matter) ๐
โข Small aquatic invertebrates like insect larvae ๐
โข Microorganisms in the water ๐ฆ
This diet allows it to thrive in shallow, slow-flowing streams where organic material and biofilm are abundant. Its foraging helps maintain the health of the stream ecosystem, making it a tiny but important part of the aquatic food web ๐๐.
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