(n.) A large ganoid fish (Polyodon spathula) found in the rivers of the Mississippi Valley. It has a long spatula-shaped snout. Called also duck-billed cat, and spoonbill sturgeon.
Example Sentences:
(1) In specimens of shovelnose, Scaphirhynchus platorynchus, and Atlantic sturgeon, Acipenser oxyrhynchus, and paddlefish, Polyodon spathula, evoked potentials recorded from the hindbrain and elicited by electric fields reached maximum amplitude within the DON and decreased in amplitude through the cerebellar crest.
(2) The anterior lateral line nerve (ALLN) in the chondrostean fishes (sturgeon and paddlefishes) consists of both fibers innervating ampullary electroreceptors and fibers innervating the mechanoreceptive neuromasts of the cephalic lateral line system.
(3) The Xiaonanhai Dam , to be constructed above the Three Gorges reservoir, will sever the last remaining migratory route that fish need in order to reproduce, including rare and endemic species such as the paddlefish (the biggest freshwater fish in the world) and the Dabry’s sturgeon, whose numbers have already been drastically reduced.
(4) Examples are presented concerning growth allometry in white rats, metabolic allometry in placental mammals, and size allometry in the Paddlefish, in the North American Marten and in the Painted Turtle.
(5) Bile salts of the sturgeons Acipenser guldenstaedti Brandt, Acipenser stellatus Pall and Huso huso L. and of the paddlefish Polyodon spathula Walbaum are shown to be closely similar, consisting mainly of taurocholate with minor amounts of tauroallocholate and the monosulphates of bile alcohols.
Spoonbill
Definition:
(n.) Any one of several species of wading birds of the genera Ajaja and Platalea, and allied genera, in which the long bill is broadly expanded and flattened at the tip.
(n.) The shoveler. See Shoveler, 2.
(n.) The ruddy duck. See under Ruddy.
(n.) The paddlefish.
Example Sentences:
(1) Melissa Moore, the Marine Conservation Society ’s head of policy, said: “We’re recommending that the final tranche in 2017 includes South Celtic Deep – a site that supports short-beaked common dolphin; Norris to Ryde, which is rich in seagrass meadows; Mud Hole off the north west coast - 35 metres deep and home to rare sea pens - and Compass Rose off the Yorkshire coast, which is an important spawning and nursery ground for herring and lemon sole.” The government is also set to consult on new special areas of conservation for harbour porpoise and special protection areas to protect feeding and bathing areas used by birds, such as spoonbills in Poole Harbour and puffins on the Northumberland coast.