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This beautiful butterflyfish is found along coastal coral reefs throughout northern Australia. It is quite common in the muddy shallows of Darwin Harbour, where it feeds on benthic invertebrates.
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Pulicat Lagoon is the second largest brackish water lagoon in India, after Chilika Lake. Pulicat Lagoon is considered to be the second largest brackish water body in India measuring 759* km2. The Lagoon is one the three important wetlands to attract North-East Monsoon rain clouds during October to December season to Tamil Nadu. (AP) The lagoon was cut across in the middle the Sriharikota Link Road, which divided the water body into lake and marshy land. The lake encompasses the Pulicat Lake Bird Sanctuary.
Every year approximately 15,000 greater flamingos are reported to visit the lake along with pelicans, kingfishers, herons, painted storks, spoonbills and ducks. The highest concentrations of flamingo are found in the periphery of the lagoon where the water level is below40 centimetres (16 in). The concentrations of flamingos are also associated with high algal, fish and benthic diversity.Other water birds in the area include spot-billed pelican, seven species of herons and egrets, painted stork, greater flamingos, ducks, 20 species of shorebirds, gulls, terns, little grebe, Indian cormorant, little cormorant, Asian openbill stork, black-headed ibis, Eurasian spoonbill, lesser whistling teal, spotbill duck, great thick-knee and stone curlew. Several species of wintering waterfowl have been noted including bar-headed goose, ruddy shelduck, Eurasian wigeon, common teal, northern pintail, garganey, northern shoveller, common pochard, brown-headed gull, black-headed gull, whiskered tern, gull-billed tern and Caspian tern. Birds of prey which appear in winter are the: white-bellied sea eagle, harriers and peregrine falcons.
Sea cucumbers are among the less glamorous reef denizens. This black-spotted sea cucumber is making its way down the reef.
Benthic harpacticoid copepods
Harpacticoida is an order of copepods, in the subphylum Crustacea. They represent the second-largest meiofaunal group in marine sediment milieu, after nematodes. Harpacticoid copepods are minute (usually < 1 mm long). They play an important role in aquatic food webs and can be an important source of food for the juvenile stages of fish.
Image taken at ILVO, Oostende, Belgium with a Leica DFC490 camera mounted on a Leica M205c microscope.
The bluecheek butterflyfish is one of the few fish species to have long-term mates. In the wild, the fish eats hard corals as well as benthic invertebrates. This is a common species which is found in areas with rich coral growth. They are frequently recorded in pairs or in small shoals. They have been known to occasionally hover in a stationary position for long periods beneath ledges of plate corals of the genus Acropora. It is oviparous species which forms pairs when spawning. This is normally during the day and the fishes emerge and are active at night. They are found at depths between 1 and 20 metres (3.3 and 65.6 ft).
North Eastern Inshore Fisheries and Conservation Authority (NEIFCA) operates a modern purpose built patrol/research vessel from the port of Whitby, North Yorkshire.
North Eastern Guardian III is unique in her class. She has been designed and equipped to operate as a state of the art research/monitoring platform and is
equipped for Acoustic Ground Discrimination, sub sea surveying and biological/benthic habitat assessment. To compliment the vessel and enhance her abilities she also carries a 6m RIB equipped with net/trap hauler.
The rib allows near shore working of survey equipment, in locations that other larger vessels would not be able to access.
The rib is also available for works independent of NEG III as she
can be transported on her own trailer.