Whale spotted in River Liffey found dead near Dublin Port

The Fin whale was spotted in Dublin port on Wednesday.

20 years on, first two humpback whales recorded by Irish group are still swimming together

They were first spotted off the coast of Cork in 1999.

Activists say latest case of whale washing ashore on west coast of Ireland is a 'concern'

A local councillor in Sligo said appropriate measures will be taken to investigate the matter and remove the whale.

Three beaked whales wash ashore in 'highly unusual' strandings

About 175 whale and dolphin strandings have been reported so far this year.

West Cork whale watchers are being treated to large gatherings during 'low season'

Whale activity has increased since April with a number of humpback whales spotted off the West Cork coast.

Number of whales and dolphins washing up on Irish coasts at record levels

Dr Simon Berrow from the Irish Whale and Dolphin Group called the figures “unprecedented”.

'We're gonna need a bigger boat': Sailing coach unfazed during encounter with basking shark in Skerries

Kerri-Ann Boylan and her students had a close encounter with a shark on Sunday morning.

Foreign supertrawlers blamed for 'dolphin carnage' off Irish coast

Marine enthusiasts say rising numbers of dolphins appear to be drowning after getting caught in fishing nets off the northwest coast.

Cut up your six pack rings warns IWDG after dolphin death in Cork

A piece of plastic debris wrapped around its beak preventing it from feeding.

Five pilot whales die after pod gets stranded on Donegal beach

The pod of pilot whales have become stranded for a second time today.

Group of children free dolphin trapped in rockpool

The mammal – believed to be a striped dolphin – became stuck in shallow water in rocks on Kilkee Beach.

Swimmers in Clare are being warned "don't swim with this dolphin!"

It follows several incidents in which people were rammed and injured. One woman was medivaced home to Germany after an encounter with the mammal.

VIDEO: Baby porpoise rescued after becoming stranded on Dublin beach

The porpoise was taken back out into open water by a coast guard crew.

Washed-up 35-foot sperm whale dies in Waterford

A sperm whale which washed up on a beach near Dungarvan had no hope of survival, and died earlier this morning.

The 9 at 9: Saturday

Nine things you need to know: the latest on the murder of two Down women in Turkey, the grim outlook for the Waterford whale, a high-profile defection in Libya, and Simon Cowell’s plans for the afterlife

Beware of the dolphins! Expert tells swimmers not to 'act the maggot'

Dolphins are living off Donegal – but an expert has warned the species has killed people “if they act the maggot”.

Don't cross the path of the while, says marine body