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The therapsids, members of the subclass Synapsida (sometimes called the mammal-like reptiles), generally were unimpressive in relation to other reptiles of their time. ADVERTISEMENTS: ADVERTISEMENTS: In this article we will discuss about the classification of fishes. While fish may be grouped into broad categories based on their feeding habits, some overlap does occur. Classification of Bony Fishes. Three are entirely parasitic and include Trematoda, Monogenea and Cestoidea (tapeworms). See our Privacy Policy and User Agreement for details. FISHES hairy or furry skin . Classification of Reptiles. Fishes have been classified in different ways from time to time. CLASSIFICATION OF WATER POLLUTANTS The various types of water pollutants can be classified in to following major categories: 1) Organic pollutants, 2) Pathogens, 3) Nutrients and agriculture runoff, 4) Suspended solids and sediments, 5) Inorganic pollutants (salts and metals), 6) Thermal Pollution 7) Radioactive pollutants. No public clipboards found for this slide, Student at COLLEGE OF FISHERY SCIENCE NAGPUR. If you continue browsing the site, you agree to the use of cookies on this website. Australian/Harvard Citation Marine Fishes Classification of Fishes Marine Fish • Marine fish are vertebrates • Some have vertebra made of cartilage, while others have bony vertebra • Of the 24,000 known species of fish, about 15,000 species are marine • Fish are the oldest of vertebrates (found farther back in the fossil record) Clipping is a handy way to collect important slides you want to go back to later. Subphylum vertebrata Scheme of Classification 4. Other basic animal groups include amphibians, birds, invertebrates, mammals, and reptiles. No public clipboards found for this slide, Pisces general characters and classification - copy. Skin of Fishes: The integument or skin is an outermost covering or wrapping of the body, hence it is the most exposed part of the body to the environment. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. taxonomy science of biological nomenclature (formal rules for use). soft, moist skin (no scales) lungs . classification hierarchical grouping of organisms (used by Linnaeus,1758) taxonomy science of biological nomenclature (formal rules for use) systematics the study of relationships. 1. birds . An alternative classification with modifications to Nel-son’s (1994) classification, particularly with respect to suborders of perciform fishes, can be found in Paxton and Eschmeyer (1994). Shellfish have a pigment called ‘astaxanthin’, which on contact with heat turns into a coral red colour, which is much desirable for shellfish. If you continue browsing the site, you agree to the use of cookies on this website. Mostly small fishes 10–15 cm (roughly 4–6 inches). ADDANKI-523201 2 families of deep-sea pelagic and bathypelagic fishes, the Myctophidae, or lantern fishes (about 32 genera and 235 species)—with bioluminescent organs—and the Neoscopelidae (3 genera with 6 species). CONTACT ME @9652929696 how offspring are produced . Caracal is a territorial medium- sized cat ; Crarcal word come from Turkish word meaning The fourth class, Turbelaria, is free-living and from this group arose the ancestors of the three parasitic classes. FISHES B.ASHOK KUMAR LECTURER IN ZOOLOGY KRK GOVT DEGREE COLLEGE ADDANKI-523201 CONTACT ME @9652929696 EMAIL: ashokkumarzoology@gmail.com 2. (i) The head and the thoracic regions are provided with strong bony […] If you continue browsing the site, you agree to the use of cookies on this website. The amphidromous fishes … Looks like you’ve clipped this slide to already. Features of Osteichthyes. The phylum Platyhelminthes is divided into four classes. The phylum includes several … Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Classification of Metazoa Sub kingdom Phylum Class Genus – examples Metazoa Nematodes Round worms; appear round in cross section, they have body cavities, a straight alimentary canal and an anus Ascaris (roundworm) Trichuris (whipworm) Ancylostoma (hookworm) Necator (hookworm) Enterobius (pinworm or threadworm) Strongyloides Platyhelminthes 1. ADVERTISEMENTS: Shellfish are mainly categorized into crustaceans and molluscs. breathes . how it . 5.21 Corroboration of the geographic origin of fishes as documented in catch certificate 41 5.22 Traded fish is labelled correctly 42 5.23 Investigating the alleged presence of exotic and GM species 42 5.24 Divers identify marine organisms 43 6. e.g. Class: Osteichthyes. EMAIL: ashokkumarzoology@gmail.com. If you continue browsing the site, you agree to the use of cookies on this website. classification hierarchical grouping of organisms (used by Linnaeus,1758). systematics the study of relationships Taxonomic hierarchy:. Endoskeleton of these fishes are made up of bones, so these are called bony fishes. In this article we will discuss about the skin and scales of fishes. Migration of fishes from freshwater to sea and vice versa and is not for the purpose of breeding but for the other purposes (e.g., food). Other species may also be used. You can change your ad preferences anytime. Unlike fish, shellfish do not […] – Fishes show a seasonal migration: [A] Anadromous migration : Migration of fishes from marine water to fresh water. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Taxonomy of fishes. ADVERTISEMENTS: In this article we will discuss about the Phylum Arthropoda:- 1. 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