1 Pancreatitis. 2  One of the most important, and potentially dangerous, diseases is inflammation of the pancreas. 3  Pancreatitis is a common disease of dogs, and often arises when foods high in fat content are eaten. Pancreatitis is a common disease of dogs, and often arises when foods high in fat content are eaten. 2  It usually causes loss of appetite, vomiting, abdominal pain and depression. 3  In severe cases, the condition can be fatal. 4  Diabetes mellitus.
The molluscs or mollusks /ËmÉlÉsks/ compose the large phylum of invertebrate animals known as the Mollusca. Around 85,000 extant species of molluscs are recognized.Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms.Numerous molluscs also live in freshwater and terrestrial habitats.round 85,000 extant species of molluscs are recognized. Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats.
Characteristics of molluscs. 1  unsegmented soft body. 2  most have internal or external shell. 3  have a mantle-a fold in the body wall that secretes the hard prtesctive shell. 4  muscular foot and/or tentacles. 5  have a radula-a toothed structure used to grate food.haracteristics of molluscs unsegmented soft body most have internal or external shell have a mantle-a fold in the body wall that secretes the hard prtesctive shell muscular foot and/or tentacles have a radula-a toothed structure used to grate food two pairs of gills except in polmonate snails.