A small pod of Short-finned pilot whale

Globicephala macrorhynchus (Gray, 1846) was

observed during a fishing cruise of FV Silver

Pompano on 19th April, 2015 for exploration of the

oceanic squid Sthenoteuthis oualaniensis in the

Southern Arabian Sea

Jestin Joy, K M

Mohan, Gishnu

Saji Kumar, K K

Sajikumar, K K

CMFRI Digital Repository

Mar. Fish. Infor. Serv., T & E Ser., No. 223 & 224, 2015 31study, the specimen of Oxynoe viridis was observedgrazing upon Caulerpa racemosa and not on Ulvalactuca that was also being cultured in the same tank.As the growth of the seaweeds deteriorated after 2days, the slug also could not survive. Species ofOxynoe are reported to feed on a variety of speciesof Caulerpa where they are well camouflaged becauseof their colour.A note on a stranded Humpback dolphinThirumalaiselvan, S.1, Anasukoya, A1. and Jeyabaskaran, R21Calicut Research Centre of ICAR-Central Marine Fisheries Research Institute, Kozhikode2ICAR-Central Marine Fisheries Research Institute, KochiOn 17th September, 2015, a dead dolphin wasfound at Beypore beach, Kozhikode. On enquiry withlocal fishermen, it was reported to be washed ashoreeight days before. It was identified as Indo-PacificHumpback dolphin Sousa chinensis (Osbeck, 1765)with the help of external characters especially thenumber of teeth. It had a stocky, robust body witha well-defined beak set off from the rounded melon.The specimen was a male measuring 107 cm inlength and weighing about 18 kg. It had deep cut inthe ventral region. The morphometricmeasurements of the Humpback dolphin are givenbelow.Table 1. Morphometrics of Sousa chinensisMorphometrics cmDiameter of eye 2Tip of snout to notch of caudal fluke 107Tip of snout to origin of dorsal fin 46Tip of snout to centre of eye 14.5Tip of snout to blow hole 15.6Tip of snout to origin of flipper 26.4Tip of snout to centre of anus 68Length of flipper along outer margin 17Length of flipper along inner margin 12Length of dorsal fin along outer margin 25.4Length of dorsal fin along inner margin 12Depth at origin of dorsal fin 24.5Length of upper jaw 18Length of lower jaw 17Sighting of the Short-finned pilot whaleSajikumar. K.K., Jestin Joy and Gishnu MohanICAR-Central Marine Fisheries Research Institute, KochiA small pod of Short-finned pilot whaleGlobicephala macrorhynchus (Gray, 1846) wasobserved during a fishing cruise of FV SilverPompano on 19th  April, 2015 for exploration of theoceanic squid Sthenoteuthis oualaniensis in theSouthern Arabian Sea. The pod was observed in theMar. Fish. Infor. Serv., T & E Ser., No. 223 & 224, 201532Pilot whale spouting Pilot whale pods exhibiting resting behaviourSoutheast side of Pitty Islands (10° 38´ 05´´ N; 72°46´ 02´´ E) and contained nine members of  whichfour were large and five medium sized. The averagelength of the whales was estimated as 5 metres.  Theywere travelling in a Northwest direction at anapproximate speed of 2 knots per hour. The surfacewater temperature at the location of sighting was280C and salinity was 34 ppt. The IUCN lists thisspecies as data deficient in the Red List ofthreatened species (IUCN 2012). In India all thecetaceans are listed under Schedule-1 of Wild Life(Protection) Act, 1972.Reports of marine mammal strandingsK. G. BabyICAR-Central Marine Fisheries Research Institute, KochiA Spinner dolphin, Stenella longirostris waswashed ashore at Puthankadapuram landing centrein Thrissur district on 10th March 2015. The animalwas in decayed condition and had an injury nearcaudal base. The total length of animal (snout tonotch of caudal flukets) was 242 cm. The length ofthe upper jaw and lower jaw were 38 cm each. Thetotal number of teeth on each side of the upper jawwas 87.On 29.05.2014, a Baleen whale measuring 16.5metres (m) in total length was washed ashore atBlangad Landing Centre, Thrissur district, Kerala.The whale was in a highly putrified condition andPanchayat authorities buried it.Baleen whale stranded at Blangad

Sighting of the Short-finned pilot whale

http://eprints.cmfri.org.in/10633/1/223-224-13.pdf

Sighting of the Short-finned pilot whale

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