Information AboutPaedocypris Progenetica |
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The Indonesia n fish ''Paedocypris progenetica'' has been claimed to be the smallest (shortest) species of fish and vertebrates. APPEARANCE The smallest mature female is only 7.9 mm, smaller than any other female vertebrate ''species''. The largest known individual is 10.3 mm. They have transparent bodies, the skull roof is missing. The males have highly modified Pelvic Fin s with the first ray terminating with a hook-like structure, supported by hypertrophied muscles, hypothesized to be used to grasp the female during mating, or to keep position over a spawning surface. (Although sexually Parasitic males of the Anglerfish Photocorynus Spiniceps may be as small as 6.2 mm, the females are much larger - up to 50.5 mm [http://rmbr.nus.edu.sg/news/index.php?phrase=paedocypris&submit=Search+RMBRnews ). HABITAT The fish live in dark colored Peat swamps with an acidity of PH 3, at least 100 times more acidic than rainwater. Their habitat is threatened by forest fires, logging and plantations. DISCOVERY |
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