mussel breeding

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• New Zealand green-lipped mussel — Scientific classification Kingdom: Animalia Phylum …   Wikipedia

• Freshwater pearl mussel — The exterior of the shell of Margaritifera margaritifera Conservation status …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• charadriiform — ▪ bird order Introduction    any member of the large group of birds (bird) that includes the sandpipers (sandpiper), plovers (plover), gulls (gull), auks (auk), and their relatives. These birds form an important and familiar segment of the… …   Universalium

• Spawn (biology) — The spawn (eggs) of a clownfish. The black spots are the eyes developing. Spawn refers to the eggs and sperm released or deposited, usually into water, by aquatic animals. As a verb, spawn refers to the process of releasing the eggs and sperm,… …   Wikipedia

• reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …   Universalium

• ostariophysan — ▪ fish Introduction  any of about8,000 species of bony fishes (bony fish) belonging to a group that includes the majority of freshwater fishes throughout the world. Familiar representatives of this group are the minnows (minnow), suckers (sucker) …   Universalium

• Ythan Estuary — The Ythan Estuary is the tidal component of the Ythan River, emptying into the North Sea approximately 19 kilometres north of Aberdeen, Scotland. The estuary’s tidal action extends a full seven kilometres inland and has characteristic widths of… …   Wikipedia

• conservation — conservational, adj. /kon seuhr vay sheuhn/, n. 1. the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights. 2. official supervision of rivers, forests, and other… …   Universalium

• Sea otter — Taxobox name = Sea Otter status = EN trend = down status system = iucn2.3 image caption = A sea otter wraps itself in kelp in Morro Bay, California. image width = 250px regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Mammalia …   Wikipedia

• List of endangered species in the British Isles — This is a list of endangered and threatened animal and plant species in the British Isles. They are endangered or have reducing populations within the British Isles and may become extinct in the future. Some suffer because of loss of habitat, but …   Wikipedia