Klapanunggal blind cave barb
taxon
Klapanunggal blind cave barb (Barbodes klapanunggalensis), known locally as wader buta, is a species of barb from the Klapanunggal karst area of Bogor Regency, West Java. It is a cavefish, being endemic to water bodies within the caves of the region; typical of cavefish (though not of Barbodes), B. klapanunggalensis is eyeless and unpigmented, and it can be distinguished from its congeners by multiple other features, including enlarged paired fins. Its small population number may be threatened by human development, such as through mining for limestone, though it is currently not under any known threat due to its isolation.
Description
B. klapanunggalensis is a cavefish, and similar to two other species of Barbodes; B. microps and B. pyrpholeos in lacking pigmentation. The species is the only Barbodes to lack eyes and the orbital rim; the space is replaced by an "orbital concavity" which is "fully closed by an epidermal layer". Other diagnostic morphological features include its pectoral and pelvic fins being relatively long, and specific bodily proportions. B. klapanunggalensis has a deep body, which is deepest around the dorsal fin origin. The species has two pairs of maxillary barbels around its subterminal mouth, with the posterior (rearwards) pair being longer. They possess cycloid scales and around 12 short gill rakers.
The type specimens are 63.8 mm (2.51 in) and 73 mm (2.9 in) in standard length.
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