Notes on the presence of dwarf spinner dolphins Stenella longirostris roseiventris (Wagner, 1846) in Puerto Bay, Puerto Princesa City, Palawan
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Published
Dec 15, 2021
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Abstract
This research note aimed to document the presence of dwarf spinner dolphins Stenella longirostris roseiventris (Wagner, 1846) in Puerto Princesa Bay to update the cetacean species inventory of the bay and the little-known distribution of the subspecies in the country. During a dolphin watching expedition, the subspecies was spotted for the first time in Puerto Princesa Bay, Puerto Princesa City, Palawan just east of Turtle Bay on 29 May 2021. The presence of Gray’s spinner dolphins S. longirostris longirostris (Gray, 1828) in the same vicinity highlighted the difference in size and shape of individuals of the two groups. The subspecies was confirmed using biometrics on a picture taken of a mother and its calf. The dorsal fin height and the pectoral fin ratios to the snout-to-dorsal fin length fit that of the dwarf spinner.
How to Cite
Aquino MTR, Cruz RM, Cadigal GM, Cruz MA dela, Jalovar-Che C. 2021. Notes on the presence of dwarf spinner dolphins Stenella longirostris roseiventris (Wagner, 1846) in Puerto Bay, Puerto Princesa City, Palawan. The Palawan Scientist. 13(2):118–126. https://doi.org/10.69721/TPS.J.2021.13.2.09.
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Keywords
biometrics, cetacean species inventory, subspecies distribution
References
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Aquino MTR and Aca E. 2019. Tañon Strait 2019 Cetacean Survey Report. RARE Philippines, Cebu City. 16pp.
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Perrin WF, Dolar MLL and Robineau D. 1999. Spinner dolphins (Stenella longirostris) of the western Pacific and Southeast Asia: Pelagic and shallow-water forms. Marine Mammal Science, 15(4): 1029–1053. https://doi.org/10.1111/j.1748-7692.1999.tb00876.x
Perrin WF, Miyazaki N and Kasuya T. 1989. A dwarf form of the spinner dolphin (Stenella longirostris) from Thailand. Marine Mammal Science, 5(3): 213–227. https://doi.org/10.1111/j.1748-7692.1989.tb00337.x
Sabater ER, Dolar MLL, Gaudiano JPA, Bagarinao TU, Sorongon PME, Barcelona ALB, Tagarino AP and Daclan JMO. 2012. Peponocephala electra. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines.
Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 76-80.
Torres KAT. 2008. Sighting Distribution, Encouter Rates, and Ecological Parameters of Dolphins and Whales in Puerto Princesa Bay (Palawan) during the Northeast Monsoon. DVM. College of Veterinary Medicine-University of the Philippines at Los Baños. 67pp.
Aquino MTR and Aca E. 2019. Tañon Strait 2019 Cetacean Survey Report. RARE Philippines, Cebu City. 16pp.
Aquino MTR, Alava MNR, Cadigal MIG, Solis ED, Lucero R, Albasin BS, Santos M, Bagarinao TU and Gaudiano JPA. 2012b. Globicephala macrorhynchus. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 46-51.
Aquino MTR, Alava MNR, Cadigal MIG, Solis ED, Lucero R, Albasin BS, Santos M, Bagarinao TU, Gaudiano JPA, Daclan JMO et al. 2012c. Grampus griseus. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 52-57.
Aquino MTR, Albasin BS, Alava MNR, Santos M, Dolar MLL, Salting A, Cruz R, Yaptinchay AASP, Cadigal MIG, Solis ED et al. 2012d. Ziphius cavirostris. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 137-143.
Aquino MTR, Alava MNR, Yaptinchay AASP, Cadigal MIG, Albasin BS, Solis ED, Lucero R, Salting A and Cruz R. 2012a. Feresa attenuata. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 41-45.
Dolar MLL, Gaudiano JPA, Sabater ER, Bagarinao TU, Sorongon PME, Barcelona ALB, Tagarino AP, Daclan JMO and Santos MD. 2012b. Lagenodelphis hosei. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 58-61.
Dolar MLL, Sabater ER, Gaudiano JPA, Bagarinao TU, Sorongon PME, Barcelona ALB, Tagarino AP and Daclan JMO. 2012a. Balaenoptera edeni. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 20-24.
Dolar MLL, Sabater ER, Gaudiano JPA, Bagarinao TU, Sorongon PME, Barcelona ALB, Tagarino AP, Daclan JMO and Santos MD. 2012c. Stenella attenuata. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 85-88.
Dolar MLL, Sabater ER, Gaudiano JPA, Bagarinao TU, Sorongon PME, Barcelona ALB, Tagarino AP, Daclan JMO and Santos MD. 2012d. Stenella longirostris longirostris. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 93-97.
Dolar MLL, Sabater ER, Gaudiano JPA, Bagarinao TU, Sorongon PME, Barcelona ALB, Tagarino AP, Daclan JMO and Santos MD. 2012e. Physeter macrocephalus. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines. Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 123-127.
Perrin WF, Aquino MTR, Dolar MLL and Alava MNR. 2007. External appearance of the dwarf spinner dolphin Stenella longirostris roseiventris. Marine Mammal Science, 23(2): 464–467. https://doi.org/10.1111/j.1748-7692.2007.00117.x
Perrin WF, Dolar MLL and Robineau D. 1999. Spinner dolphins (Stenella longirostris) of the western Pacific and Southeast Asia: Pelagic and shallow-water forms. Marine Mammal Science, 15(4): 1029–1053. https://doi.org/10.1111/j.1748-7692.1999.tb00876.x
Perrin WF, Miyazaki N and Kasuya T. 1989. A dwarf form of the spinner dolphin (Stenella longirostris) from Thailand. Marine Mammal Science, 5(3): 213–227. https://doi.org/10.1111/j.1748-7692.1989.tb00337.x
Sabater ER, Dolar MLL, Gaudiano JPA, Bagarinao TU, Sorongon PME, Barcelona ALB, Tagarino AP and Daclan JMO. 2012. Peponocephala electra. In: Alava MNR, Dolar MLL, Sabater ER, Aquino MTR and Santos MD (eds). Red List Status of Marine Mammals in the Philippines.
Bureau of Fisheries and Aquatic Resources-National Fisheries Research and Development Institute. Quezon City, Philippines, pp. 76-80.
Torres KAT. 2008. Sighting Distribution, Encouter Rates, and Ecological Parameters of Dolphins and Whales in Puerto Princesa Bay (Palawan) during the Northeast Monsoon. DVM. College of Veterinary Medicine-University of the Philippines at Los Baños. 67pp.
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