Mass stranding of jellyfishes along Von Napa and Bang Saen Beaches in Chonburi Province. Four species of jellyfishes have been identified: Edible Jellyfish (Rhopilema hispidum), Lobonema smithii, Versuriga anadyomene and White-spotted Jellyfish (Phyllorhiza punctata).

Source: Department of Marine and Coastal Resources (DMCR) of Thailand Facebook

A female Striped Dolphin (Stenella coeruleoalba) stranded on Rawai Beach in Phuket. It was rescued, but died in the midst of receiving treatment. It would appear that this is the same Dolphin mentioned in Phuket News and Phuket Gazette.

Source: Department of Marine and Coastal Resources (DMCR) of Thailand Facebook

Discovery of the skeletal remains of a Bottlenose Dolphin (Tursiops sp.), likely an Indo-Pacific Bottlenose Dolphin (Tursiops aduncus) in Ranot District, Songkhla Province. Tooth samples were collected and the rest of the remains were buried.

Source: Department of Marine and Coastal Resources (DMCR) of Thailand Facebook

The rotting carcass of a Finless Porpoise (Neophocaena phocaenoides) was found on the southern coast of Bird Island in Bang Pakong District, Chachoengsao Province.

Source: Department of Marine and Coastal Resources (DMCR) of Thailand Facebook

More photos of the Striped Dolphin (Stenella coeruleoalba) rescued after being stranded on the beach of Koh Lanta Noi in Krabi Province.

Source: Department of Marine and Coastal Resources (DMCR) of Thailand Facebook

The badly decomposed remains of an unidentified 10-metre long Baleen Whale (Mysticeti) were washed up on the coast of Khong Yai District in Trat Province.

Source: Department of Marine and Coastal Resources (DMCR) of Thailand Facebook

A possible candidate would be the Bryde’s Whale, which is known to inhabit the Gulf of Thailand. The taxonomy of the Bryde’s Whale is still far from settled; what we call the Bryde’s Whale has been split into two subspecies or even distinct species by some authorities: the true Bryde’s Whale, a larger species found in tropical and warm temperate waters worldwide (Balaenoptera brydei), and the Eden’s Whale, a smaller form that may be restricted to coastal waters of the Indo-Pacific (Balaenoptera edeni). Both species(?) have been recorded from tropical waters of Southeast Asia.

The rotting carcass of a male Irrawaddy Dolphin (Orcaella brevirostris measuring 89.6 centimetres in length was found in Bang Poo, Samut Prakarn.

Source: Department of Marine and Coastal Resources (DMCR) of Thailand Facebook