Dolphin hunting continues to be a prominent industry in the town of Taiji, a small fishing village about 248 miles west of Tokyo, sparking protests from international conservation groupsPhotograph: Robert GilhoolyGiant whale models mark the entrance to the centre of Taiji in JapanPhotograph: Robert GilhoolyAbout 100 bottlenose dolphins and short-finned pilot whales swim at sunrise in the cove that is at the centre of a controversial film The Cove, due for release in the UK next month. The captured dolphins were the first catch of the season at TaijiPhotograph: Robert GilhoolyBottlenose dolphins swim around a shallow, netted-off section of the covePhotograph: Robert GilhoolyBlood in the water at "killer cove" in picturesque Taiji. The first dolphin slaughter of the year was marked on 10 SeptemberPhotograph: Robert GilhoolyA fisherman tows away what appear to be pilot whales tied by rope to the front of his boat, at the covePhotograph: Robert GilhoolyFisheries workers guide what appear to be pilot whales at the covePhotograph: Robert GilhoolyWhat appears to be the discarded body of a baby bottlenose dolphin floats upside down Photograph: Robert GilhoolyA fisherman hoses down the deck of his boat, transporting carcasses of what appear to be pilot whales, which are members of the dolphin familyPhotograph: Robert GilhoolyA fisheries worker guides what appear to be pilot whales at the covePhotograph: Robert GilhoolyA fisheries worker laughs while standing in the bloody waters of "killer cove", a steel implement in his right hand, and part of a dolphin in the otherPhotograph: Robert GilhoolyGreen and blue tarpaulins contrast with dolphins' blood in the water after the season's first slaughter. Under increasing international pressure following the release of a film documenting the capture and slaughter of dolphins in the town, the fishermen now conceal their work from the public by fixing tarpaulin across the so-called "killer cove"Photograph: Robert GilhoolyA man looks at the dolphin meat and other sashimi products at a supermarket in Taiji, Japan. A small 250g block of short fin dolphin meat sells for about 1,200 yen (£8) at the supermarketPhotograph: Robert GilhoolyWhale meat sashimi is served with fresh ginger at a hotel in TaijiPhotograph: Robert GilhoolySlices of dolphin meat arranged on a platePhotograph: Robert GilhoolyA fountain outside the whaling museum in Taiji. Whale and dolphin meat can be found on sale at the town's supermarket while a variety of whale meat cuisine can be sampled at its restaurantsPhotograph: Robert GilhoolyPreserved specimens of dolphins at various stages of early development are displayed at the whaling museum in TaijiPhotograph: Robert GilhoolyVisitors walk around the whaling museum in Taiji, where Japan's traditional whaling methods are said to have originatedPhotograph: Robert Gilhooly