Affordable Access

On the stranding of dolphin Sousa chinensis in Mandapam region

Authors
Publisher
CMFRI; Kochi
Publication Date
Keywords
  • Marine Mammals

Abstract

ISSN 0254-380 X m FISHERIES TION SERVICE No. 110 APRIL 1991 ^&*:& •» W 9 5 ? f t « f 9 t X ^ r TECHNICAL AND ffcmirc 3f*f»FcRs$t EXTENSION SERIES [$t ^ifr^Ucbl CENTRAL MARINE FISHERIES ^HttCT W ¥ C I W RESEARCH INSTITUTE ^StftCT, ^ITcT COCHIN, INDIA INDIAN COUNCIL OF AGRICULTURAL RESEARCH ON THE STRANDING OF DOLPHIN SOUSA CHINENSIS IN MANDAPAM REGION * On 18 - 06 - 1990, a dolphin measuring 151 cm in total length and 50 kg in weight was washed ashore in Mandapam Camp, Gulf of Mannar region. It was identified as Sousa chinensis. Thirty three teeth were noticed on one side of the upper and lower jaws (Fig. 1). The main charac- teristics of Sousa chinensis are the presence of 34 - 39 teeth on one side of upper and lower jaws. The stomach was empty. The detailed morpho- metric measurements (in cm) of the Sousa chinensis are given below. Fig. 1. Lower jaw of Dolphin, Sousa chinensis, showing 33 numbers of teeth. Total length Length from the tip of the snout to fork of the tail Length from the tip of the snout to blow hole Length from the tip of the snout to centre of eye Length from the tip of the snout to origin of dorsal fin Length from the tip of the snout to anterior insertion of flipper 151.0 149.0 26.0 26.2 68.5 43.0 Length from the tip of the snout to centre of anus Length from the notch of the fluke to posterior end of dorsal fin Length from the notch of the fluke to centre of anus Length of the fluke on outer curvature Length of the fluke on inner curvature Distance between extremitie of the fluke Length of dorsal fin base Vertical height of dorsal fin Length of flipper from anterior insertion to tip Length of flipper along curve of lower border Greatest width of flipper Depth of body at anal region Depth of body at origin of flipper Depth of body at origin of dorsal Length of upper jaw Length of lower jaw Diameter of eye Total number of teeth on one side of upper

There are no comments yet on this publication. Be the first to share your thoughts.