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Displaying items by tag: killer whale

#MarineWildlife - Whale watchers on Slea Head were treated to a special sight earlier this week with the surprise appearance of the killer whale known as John Coe, as the Irish Examiner reports.

Landscape photographer Richard Creagh was among the lucky few on Monday (27 June) to spot the orca known by the distinctive notch on his dorsal fin – though in more recent times he's also lost a chunk of his tail fluke, most likely to a shark bite.

Creagh, a keen marine wildlife watcher for the last 10 years, said: "Up to now killer whales had always eluded me but today I got to add them to my list, and what a sight it was! I’m still buzzing!"

John Coe's unique orca pod are regular visitors to Irish waters, though he himself was last spotted close to our shores almost three years ago at the Inishkeas in Co Mayo, according to the Irish Whale and Dolphin Group – which is asking the public to watch the seas for any more sightings of the senior cetacean.

Published in Marine Wildlife

#DopeyDick - A killer whale who gained notoriety after swimming up the River Foyle in the late 1970s has been rediscovered enjoying his retirement off the west coast of Scotland, as the Derry Journal reports.

It's more than 38 years since the orca astounded the people of Derry by swimming up the estuary and hanging around the city for a number of days, earning the name 'Dopey Dick' for shrugging off attempts to lure him back to the safety of open water.

His whereabouts thereafter were unknown -- till cetacean experts with the Hebridean Whale and Dolphin Trust compared old photographs of his Derry visit with more recent images of the unique orca community that makes its home off the western Scottish coast, and identified a positive match.

Comet, as the orca is properly known, is estimated to be at least 58 years old, double the usual life expectancy for the species.

But that's not so surprising for the orca pod referred to as the 'West Coast Community', which has been a regular visitor to Irish waters over the years, and has interested marine wildlife specialists for decades due to its "evolutionary significant" qualities.

Sadly that group's numbers have been dwindling, with fellow orca Lulu becoming the latest victim after its believed she was entangled in fishing gear early this year, as previously reported on Afloat.ie.

Published in Marine Wildlife

#MarineWildlife - The killer whale found beached on a Scottish island last weekend likely died after getting entangled in fishing gear for days, say experts.

As previously reported on Afloat.ie, the orca known as Lulu to researchers, who have been tracking her unique pod since the early 1990s, was discovered on the island of Tiree in the Inner Hebrides last Sunday 3 January.

Lulu's "evolutionary significant" group has been under threat for years due to the absence of calves among its number since scientists began monitoring them around the Scottish and north Irish coasts.

But according to The Press and Journal, Lulu's death was not down to natural causes – with a post-mortem report from experts at the Scottish Marine Animal Strandings Scheme claiming "convincing evidence that she had become chronically entangled" in fishing gear, with deep wounds consistent with a rope wrapping around her tail.

“There were no ropes or gear left on the carcass," said the scientists in a statement. "We’re assuming all this from the lesions we found on her body, so we don’t know if this was due to active fishing gear, abandoned or ‘ghost’ gear, or other marine debris."

The Press and Journal has much more on the story HERE.

Published in Marine Wildlife

#MarineWildlife - One of the last remaining members of a unique pod of killer whales has been found dead on a Scottish island.

As STV News reports, the orca known as Lulu to marine researchers was found beached on the island of Tiree in the Inner Hebrides on Scotland's west coast on Sunday 3 January.

Like John Doe, who is believed to have survived an altercation with a shark a year ago, Lulu was one of a familiar family of orcas that's regularly seen off Scotland and even as far west as the Donegal coast.

It's a pod that's piqued the interest of marine science due to its genetic distinctiveness from other orcas in the North Atlantic, as previously reported on Afloat.ie.

But the "evolutionary significant" group's numbers have been dwindling in recent years due to the absence of calves since scientists started tracking them more than two decades ago.

"It is particularly sad to know that another one of these killer whales, unique to the British and Irish Isles, has died," said the Hebridean Whale and Dolphin Trust. "There may be as few as eight individuals remaining in this population."

STV News has more on the story HERE.

Published in Marine Wildlife

#MarineWildlife - A seal pup was lunch for a killer whale that's been attracting onlookers to Wales' Irish Sea coast in recent days.

As the Carmarthen Journal reports, the orca was first sighted of Mwnt, north of Cardigan, over the summer, but has since been spotted further down the coast near Fishguard - believed to be attracted by a boom in the local seal population.

It marks a rare appearance for the species in the Irish Sea, as they're more commonly spotted in Scottish waters and off Ireland's North Coast.

And it comes not long after another rare sight in the form of a pod of Risso's dolphins sighted near Anglesey in north Wales earlier this month - with experts telling BBC News that it may be one of the largest such pods ever recorded in Welsh waters.

In other marine mammal news, The Irish Times has video of a seal who appears to have taken a liking to Dublin city centre, swimming many kilometres up the Liffey from the usual Dublin Bay haunts.

Published in Marine Wildlife

#MarineWildlife - Make-A-Wish Ireland brought six-year-old Ondrej Byrtusova's dreams to life when they whisked him and his family away to Florida to train a killer whale, as the Irish Independent reports.

Ondrej – who was born with Hypoplastic Left-Heart Syndrome – was given the opportunity by the Irish charity to teach a few tricks to orca Malia, who is described as "sweet and playful".

“It was the nicest moment ever when I saw my son so happy and joyful,” said his mother Vlasta. “I am very proud of him that he did it.

"He was absolutely brilliant when he trained Malia showing her how to turn, kiss him, say yes and no, wave and splash, shake her tongue and blow bubbles."

It marked the first ever holiday for the youngster, who has endured years of open heart surgeries.

And while his prognosis is unclear, his family say they are making the most of their time together.

The Irish Independent has more on the story HERE.

Published in Marine Wildlife

#MarineWildlife - Preliminary results from the post-mortem on the female killer whale that stranded in Waterford last week show no obvious cause of death.

As previously reported on Afloat.ie, the five-metre-long female orca was discovered near Tramore last Friday (30 January) amid an unusually high number of cetacean strandings in the first month of this year.

While it was suggested that the killer whale's worn teeth might point to malnutrition, Dr Simon Berrow of the Irish Whale and Dolphin Group (IWDG) explains that such teeth are typical of 'type 1' orcas in the North Atlantic.

The 'type 1' ecotype feed mostly on fish, and are smaller than their 'type 2' marine mammal-eating counterparts.

According to Dr Berrow, samples of skin have been taken for analysis, and tissue from the blubber, liver, kidney and muscles will be studied in greater detail for potential contaminants that could lead to various conditions such as infertility.

"As biologists we can only explore the life of this whale and not determine the cause of death," he says. 

"Obviously if there was something obvious or a severe infection, etc, we would recognise this but often an animal may have a number of 'conditions' which are not fatal, and determining cause of death is based on the most likely fatal condition.

"Unfortunately Ireland does not have a post-mortem system for marine mammals, unlike most European countries, so the factors leading to mortality of stranded animals is not known," he adds.

The IWDG has more on the story HERE.

Published in Marine Wildlife

#MarineWildlife - The Irish Whale and Dolphin Group (IWDG) reports on a killer whale stranding near Tramore in Co Waterford yesterday (Friday 30 January).

The five-metre-long female orca was described as being in "a very fresh condition" and was found to have very worn teeth, which points to malnutrition as a potential cause of death.

A post-mortem is scheduled to be carried out tomorrow by a team from the IWDG and Galway-Mayo IT.

The incident is the latest in a "disturbing high" rate of cetacean strandings around the Irish coast this January, with a total of 32 recorded across nine identifiable species.

While it's as yet unknown what has caused this spike in numbers, the recent severe weather systems coming from the Atlantic may be a factor in driving carcasses of animals that may have died of natural causes towards the Irish coast.

The IWDG has more on the story HERE.

Published in Marine Wildlife

#MARINE WILDLIFE - The Irish Whale and Dolphin Group (IWDG) has recorded another first for the North Atlantic, with evidence showing that killer whales are feeding on ocean sunfish.

Mark Holmes of the Natural History Museum confirmed the presence of parasites unique to the sunfish found within the carcass of a female orca stranded in Doohooma in Co Mayo.

"These parasites did not originate from the whale's stomach, but came from the prey which it had eaten," said the IWDG's Conor Ryan.

"This was confirmed when the partially digested bones in the stomachs were eventually identified as those of a sunfish beak."

The discovery may explain a recent study of UK waters which found sunfish taking unusually deep dives, possibly to avoid cetaceans and other large predators.

Published in Marine Wildlife

The Irish Whale and Dolphin Group (IWDG) reports that a killer whale was found stranded in Tullaghan Bay, Co Mayo earlier this month.

A post morten was carried out on the carcass of the female killer whale by Conor Ryan and Alessandro Pierini of the Galway-Mayo Institute of Technology. The good condition of the carcass also allowed the team an opportunity to examine its stomach contents, which did not include any foreign objects.

The killer whale, which was stranded on the beach at Doohoma, was found to be pregnant with a large near-term female calf which was oritented backwards in the birth sac, though there is no obvious connection to the cause of death.

According to the IWDG, it is only the 15th stranding of a killer whale in Ireland since records began, and the seventh in the last 40 years. A pectoral fin was removed for display at the Natural History Museum.

Published in Marine Wildlife

Ireland's Commercial Fishing 

The Irish Commercial Fishing Industry employs around 11,000 people in fishing, processing and ancillary services such as sales and marketing. The industry is worth about €1.22 billion annually to the Irish economy. Irish fisheries products are exported all over the world as far as Africa, Japan and China.

FAQs

Over 16,000 people are employed directly or indirectly around the coast, working on over 2,000 registered fishing vessels, in over 160 seafood processing businesses and in 278 aquaculture production units, according to the State's sea fisheries development body Bord Iascaigh Mhara (BIM).

All activities that are concerned with growing, catching, processing or transporting fish are part of the commercial fishing industry, the development of which is overseen by BIM. Recreational fishing, as in angling at sea or inland, is the responsibility of Inland Fisheries Ireland.

The Irish fishing industry is valued at 1.22 billion euro in gross domestic product (GDP), according to 2019 figures issued by BIM. Only 179 of Ireland's 2,000 vessels are over 18 metres in length. Where does Irish commercially caught fish come from? Irish fish and shellfish is caught or cultivated within the 200-mile exclusive economic zone (EEZ), but Irish fishing grounds are part of the common EU "blue" pond. Commercial fishing is regulated under the terms of the EU Common Fisheries Policy (CFP), initiated in 1983 and with ten-yearly reviews.

The total value of seafood landed into Irish ports was 424 million euro in 2019, according to BIM. High value landings identified in 2019 were haddock, hake, monkfish and megrim. Irish vessels also land into foreign ports, while non-Irish vessels land into Irish ports, principally Castletownbere, Co Cork, and Killybegs, Co Donegal.

There are a number of different methods for catching fish, with technological advances meaning skippers have detailed real time information at their disposal. Fisheries are classified as inshore, midwater, pelagic or deep water. Inshore targets species close to shore and in depths of up to 200 metres, and may include trawling and gillnetting and long-lining. Trawling is regarded as "active", while "passive" or less environmentally harmful fishing methods include use of gill nets, long lines, traps and pots. Pelagic fisheries focus on species which swim close to the surface and up to depths of 200 metres, including migratory mackerel, and tuna, and methods for catching include pair trawling, purse seining, trolling and longlining. Midwater fisheries target species at depths of around 200 metres, using trawling, longlining and jigging. Deepwater fisheries mainly use trawling for species which are found at depths of over 600 metres.

There are several segments for different catching methods in the registered Irish fleet – the largest segment being polyvalent or multi-purpose vessels using several types of gear which may be active and passive. The polyvalent segment ranges from small inshore vessels engaged in netting and potting to medium and larger vessels targeting whitefish, pelagic (herring, mackerel, horse mackerel and blue whiting) species and bivalve molluscs. The refrigerated seawater (RSW) pelagic segment is engaged mainly in fishing for herring, mackerel, horse mackerel and blue whiting only. The beam trawling segment focuses on flatfish such as sole and plaice. The aquaculture segment is exclusively for managing, developing and servicing fish farming areas and can collect spat from wild mussel stocks.

The top 20 species landed by value in 2019 were mackerel (78 million euro); Dublin Bay prawn (59 million euro); horse mackerel (17 million euro); monkfish (17 million euro); brown crab (16 million euro); hake (11 million euro); blue whiting (10 million euro); megrim (10 million euro); haddock (9 million euro); tuna (7 million euro); scallop (6 million euro); whelk (5 million euro); whiting (4 million euro); sprat (3 million euro); herring (3 million euro); lobster (2 million euro); turbot (2 million euro); cod (2 million euro); boarfish (2 million euro).

Ireland has approximately 220 million acres of marine territory, rich in marine biodiversity. A marine biodiversity scheme under Ireland's operational programme, which is co-funded by the European Maritime and Fisheries Fund and the Government, aims to reduce the impact of fisheries and aquaculture on the marine environment, including avoidance and reduction of unwanted catch.

EU fisheries ministers hold an annual pre-Christmas council in Brussels to decide on total allowable catches and quotas for the following year. This is based on advice from scientific bodies such as the International Council for the Exploration of the Sea. In Ireland's case, the State's Marine Institute publishes an annual "stock book" which provides the most up to date stock status and scientific advice on over 60 fish stocks exploited by the Irish fleet. Total allowable catches are supplemented by various technical measures to control effort, such as the size of net mesh for various species.

The west Cork harbour of Castletownbere is Ireland's biggest whitefish port. Killybegs, Co Donegal is the most important port for pelagic (herring, mackerel, blue whiting) landings. Fish are also landed into Dingle, Co Kerry, Rossaveal, Co Galway, Howth, Co Dublin and Dunmore East, Co Waterford, Union Hall, Co Cork, Greencastle, Co Donegal, and Clogherhead, Co Louth. The busiest Northern Irish ports are Portavogie, Ardglass and Kilkeel, Co Down.

Yes, EU quotas are allocated to other fleets within the Irish EEZ, and Ireland has long been a transhipment point for fish caught by the Spanish whitefish fleet in particular. Dingle, Co Kerry has seen an increase in foreign landings, as has Castletownbere. The west Cork port recorded foreign landings of 36 million euro or 48 per cent in 2019, and has long been nicknamed the "peseta" port, due to the presence of Spanish-owned transhipment plant, Eiranova, on Dinish island.

Most fish and shellfish caught or cultivated in Irish waters is for the export market, and this was hit hard from the early stages of this year's Covid-19 pandemic. The EU, Asia and Britain are the main export markets, while the middle Eastern market is also developing and the African market has seen a fall in value and volume, according to figures for 2019 issued by BIM.

Fish was once a penitential food, eaten for religious reasons every Friday. BIM has worked hard over several decades to develop its appeal. Ireland is not like Spain – our land is too good to transform us into a nation of fish eaters, but the obvious health benefits are seeing a growth in demand. Seafood retail sales rose by one per cent in 2019 to 300 million euro. Salmon and cod remain the most popular species, while BIM reports an increase in sales of haddock, trout and the pangasius or freshwater catfish which is cultivated primarily in Vietnam and Cambodia and imported by supermarkets here.

The EU's Common Fisheries Policy (CFP), initiated in 1983, pooled marine resources – with Ireland having some of the richest grounds and one of the largest sea areas at the time, but only receiving four per cent of allocated catch by a quota system. A system known as the "Hague Preferences" did recognise the need to safeguard the particular needs of regions where local populations are especially dependent on fisheries and related activities. The State's Sea Fisheries Protection Authority, based in Clonakilty, Co Cork, works with the Naval Service on administering the EU CFP. The Department of Agriculture, Food and Marine and Department of Transport regulate licensing and training requirements, while the Marine Survey Office is responsible for the implementation of all national and international legislation in relation to safety of shipping and the prevention of pollution.

Yes, a range of certificates of competency are required for skippers and crew. Training is the remit of BIM, which runs two national fisheries colleges at Greencastle, Co Donegal and Castletownbere, Co Cork. There have been calls for the colleges to be incorporated into the third-level structure of education, with qualifications recognised as such.

Safety is always an issue, in spite of technological improvements, as fishing is a hazardous occupation and climate change is having its impact on the severity of storms at sea. Fishing skippers and crews are required to hold a number of certificates of competency, including safety and navigation, and wearing of personal flotation devices is a legal requirement. Accidents come under the remit of the Marine Casualty Investigation Board, and the Health and Safety Authority. The MCIB does not find fault or blame, but will make recommendations to the Minister for Transport to avoid a recurrence of incidents.

Fish are part of a marine ecosystem and an integral part of the marine food web. Changing climate is having a negative impact on the health of the oceans, and there have been more frequent reports of warmer water species being caught further and further north in Irish waters.

Brexit, Covid 19, EU policies and safety – Britain is a key market for Irish seafood, and 38 per cent of the Irish catch is taken from the waters around its coast. Ireland's top two species – mackerel and prawns - are 60 per cent and 40 per cent, respectively, dependent on British waters. Also, there are serious fears within the Irish industry about the impact of EU vessels, should they be expelled from British waters, opting to focus even more efforts on Ireland's rich marine resource. Covid-19 has forced closure of international seafood markets, with high value fish sold to restaurants taking a large hit. A temporary tie-up support scheme for whitefish vessels introduced for the summer of 2020 was condemned by industry organisations as "designed to fail".

Sources: Bord Iascaigh Mhara, Marine Institute, Department of Agriculture, Food and Marine, Department of Transport © Afloat 2020

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