The geoduck , Panopea abrupta, is a species of very large saltwater clam, a marine bivalve mollusk in the family Hiatellidae.

The shell of this clam is large, about 15 centimetres (5.9 in) to over 20 centimetres (7.9 in) in length, but the extremely long siphons make the clam itself very much longer than this: the "neck" or siphons alone can be 1 metre (3.3 ft) in length.





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Arowanas are freshwater bony fish of the family Osteoglossidae, sometimes known as "bonytongues". In this family of fishes, the head is bony and the elongate body is covered by large, heavy scales, with a mosaic pattern of canals. The dorsal and the anal fins have soft rays and are long based, while the pectoral and ventral fins are small. The name "bonytongues" is derived from a toothed bone on the floor of the mouth, the "tongue", equipped with teeth that bite against teeth on the roof of the mouth. The fish can obtain oxygen from air by sucking it into the swim bladder, which is lined with capillaries like lung tissue. The arapaima is an "obligatory air breather".


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