CEPF Western Ghats Special Series : Balitora laticauda, a new species of stone loach (Teleostei: Cypriniformes: Balitoridae) from Krishna River, northern Western Ghats, India

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S. Bhoite
S. Jadhav
N. Dahanukar

Abstract

A new species of stone loach Balitora laticauda is described from the Krishna River, northern Western Ghats, India. It differs from all known species of the genus in a combination of characters including: 10 transverse bands on the dorsal surface, deeper caudal peduncle, two prominent rows of papilla encircling upper lip where the proximate row has small papillae while distal row has larger papillae, 66-68 lateral line scales, 8-9 simple rays in pectoral fin, two simple rays in the pelvic fin and pectoral fin not surpassing pelvic fin base. The new species also differs from its related species in the ratios such as caudal peduncle length to depth (2.21-2.89), standard length to body depth (7.48-8.72), head length to head depth (2.11-2.50), head length to interorbital distance (2.20-2.96), head depth to head length (0.42-0.47), eye diameter to head length (0.13-0.17) and head width to gape of mouth (3.12-4.78). As percent of standard length B. laticauda sp. nov. differs from other related species with respect to caudal peduncle depth (6.3-7.4%), caudal peduncle length (15.0-20.0%), body width at anus (8.7-11.5%), body depth at anus (9.1-11.4%), pre-dorsal fin length (43.7-47.4%), pre-pectoral fin length (12.9-16.2%), pre-anal fin length (74.3-79.3%), pre-pelvic fin length (44.4-48.3%), pelvic fin length (19.3-23.7%), pectoral fin length (24.1-28.9%) and body depth at dorsal (11.5-13.4%).

Article Details

How to Cite
[1]
Bhoite, S., Jadhav, S. and Dahanukar, N. 2012. CEPF Western Ghats Special Series : Balitora laticauda, a new species of stone loach (Teleostei: Cypriniformes: Balitoridae) from Krishna River, northern Western Ghats, India. Journal of Threatened Taxa. 4, 11 (Sep. 2012), 3038–3049. DOI:https://doi.org/10.11609/JoTT.o3129.3038-49.
Section
Communications
Author Biographies

S. Bhoite

Sunil Bhoite is a naturalist and interested in freshwater biodiversity and conservation.

S. Jadhav

Shrikant Jadhav is Scientist at Zoological Survey of India, Western Regional Centre, Pune. He works on ecology, taxonomy and distribution patterns of freshwater fishes.

N. Dahanukar

Neelesh Dahanukar works in ecology and evolution with an emphasis on mathematical and statistical analysis. He also studies taxonomy, distribution and molecular phylogeny of freshwater fishes.

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