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The Red Canarese Barb, Hypselobarbus thomassi (Day, 1874) is an endemic cyprinid fish of the rivers of the Western Ghats of India, which has been listed as 'Critically Endangered' in the IUCN Red List of Threatened Species. Like many of its congeners, H. thomassi is poorly known with very few verified records and voucher specimens in the past decades. Based on fresh materials collected from three west flowing rivers of Kerala, we provide information on its identity, distribution, phylogenetic position, threats and conservation. An updated conservation assessment of this species following the IUCN Red List criteria is also provided. [ABSTRACT FROM AUTHOR]

Summary: The present study reports the length‐weight relationship (LWRs) of two cyprinid fishes, Hypselobarbus thomassi (Day, 1874) and Hypselobarbus kurali (Menon & Rema Devi, 1995) from River Kallada, Southern Western Ghats, India. About 182 samples of H. thomassi (10.7–60.4 cm TL) and 108 samples of H. kurali (9.8–27.0 cm TL) were collected on a monthly basis between August 2015 to July 2016 using gill nets (1.5–12.0 cm). The ‘b’ values in LWRs were determined as 2.96 for H. thomassi and 2.93 for H. kurali. No previous information is available on LWR data for these two species. [ABSTRACT FROM AUTHOR]

The present study provides the length-weight relationships ( LWRs) of two Ambassid fish species, Parambassis dayi (Bleeker, 1874) and Parambassis thomassi (Day, 1870) from River Pamba in Southern Western Ghats, India. Fishes were collected on a monthly basis between April 2014 to March 2015 using gill nets (1.0-3.0 cm), cast nets (1.0-2.0 cm) and seine nets (1.0 cm). The b values in the LWRs were estimated as 3.01 for P. dayi and 3.14 for P. thomassi. No previous information is available on LWRs for these two species in FishBase. [ABSTRACT FROM AUTHOR]