Non-chordates and the Chordates. If you continue browsing the site, you agree to the use of cookies on this website. One of the six basic animal groups, fish are aquatic vertebrates that have skin that is covered with scales.They also feature two sets of paired fins, several unpaired fins, and a set of gills. You can change your ad preferences anytime. Looks like you’ve clipped this slide to already. 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. 1. Crustaceans: As the name suggests, these have crusts on top or a shell, which act as an armour. how offspring are produced . Systematic Resume. This mainly includes bony fish. Superclass- Pisces General characters• Paired pectoral and pelvic fins• Respiration by gills• Heart 2 chambered• Poikilothermic• Lateral line system• Cranial nerves 10 pairs• Study of fishe- Ichthyology• Body covered with scales mostly FISHES B.ASHOK KUMAR LECTURER IN ZOOLOGY KRK GOVT DEGREE COLLEGE ADDANKI-523201 CONTACT ME @9652929696 EMAIL: ashokkumarzoology@gmail.com 2. amphibians . 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 We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Three are entirely parasitic and include Trematoda, Monogenea and Cestoidea (tapeworms). Fishes Vertebrate Evolution Oldest known vertebrate fossils Tadpole – like (6inches in length) Jawless fish were only vertebrates for more than 50 m.y.a Vertebrates (Subphylum Vertebrata) Backbone enclosing a nerve cord, or spinal cord Phylum Chordata Notochord Pharyngeal pouches Postanal tail Dorsal Nerve Chord Phylum Chordata Subphylum Vertebrata Super Class Agnatha Jawless fishes … Looks like you’ve clipped this slide to already. … 1. Taxonomic hierarchy: Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Actinopterygii (formerly Osteichthyes) Order: Cypriniformes Family: Cyprinidae Genus: Cyprinus … (i) The head and the thoracic regions are provided with strong bony […] – Small fishes (Baby fishes) are called Fry or Hatchling. classification hierarchical grouping of organisms (used by Linnaeus,1758) taxonomy science of biological nomenclature (formal rules for use) systematics the study of relationships. Unlike fish, shellfish do not […] There is no agreement among many authors with respect to the classification of fishes. Classification of Fish Scales by Developmental Stage Many different kinds of fish inhabit the earth. The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Order Characteristics Example; … Classification of Reptiles. Features of Osteichthyes. See our User Agreement and Privacy Policy. ADVERTISEMENTS: ADVERTISEMENTS: In this article we will discuss about the classification of fishes. Class (1) Pterichthyes (Devonian) (Antiarchi): The members of this class lived in the Devonian period. Shellfish have a pigment called ‘astaxanthin’, which on contact with heat turns into a coral red colour, which is much desirable for shellfish. Conclusions 45 Annex 1 - List of participants 47 Annex 2 - Workshop agenda 49 Berg, L. S. Classification of fishes both recent and fossil, by Leo S. Berg Reprinted by Document Reproduction Unit, Thai National Documentation Centre, Applied Scientific Research Corp. of Thailand Bangkok 1965. Agnathan. Class: Osteichthyes. before these changes will become commonly used. mammals. A good way to classify fish is by their scale type. It should be noted that the term "fish" is an informal term and it does not correspond to a single taxonomic group. If you continue browsing the site, you agree to the use of cookies on this website. FISHES Combinations of three Chinese carps (bighead, silver and grass carp) and the common carp are most common in polyculture. Endoskeleton of these fishes are made up of bones, so these are called bony fishes. The phylum Platyhelminthes is divided into four classes. Some of these kinds of fish have not changed much for millions of years. 2) They are all armored fishes. The four orders are described in Table below. B.ASHOK KUMAR There are four main types of fish scales. Subphylum vertebrata At least three quarters of a million species have been described. Caracal is a territorial medium- sized cat ; Crarcal word come from Turkish word meaning The therapsids, members of the subclass Synapsida (sometimes called the mammal-like reptiles), generally were unimpressive in relation to other reptiles of their time. The phylum includes several … LECTURER IN ZOOLOGY systematics the study of relationships Taxonomic hierarchy:. classification hierarchical grouping of organisms (used by Linnaeus,1758). Fishes of this class are found in freshwater as well as marine water. (1) Salmon (2) Sturgeon (3) Hilsa [B] Catadromous migration : Migration of fishes … Diagnostic Features of Phylum Arthropoda 3. ADDANKI-523201 Pisces general characters and classification - copy 1. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Fishes used in polyculture. where it lives . Sharks and rays; sturgeon and gars; herring-like fishes; trout and salmon; eels, minnows, suckers, and catfish; flying fish and relatives; cod-like fish; flatfish; seahorses and relatives; mullets, silversides, and barracuda; and mackerels and tunas are the main group of fishes. CONTACT ME @9652929696 They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Clipping is a handy way to collect important slides you want to go back to later. No public clipboards found for this slide, Pisces general characters and classification - copy. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. See our Privacy Policy and User Agreement for details. Classification of Bony Fishes. soft, moist skin (no scales) lungs . EMAIL: ashokkumarzoology@gmail.com. They are fresh water forms and the fossils that are well-preserved reveal certain internal structures. Australian/Harvard Citation Presentation by- Deepak Rawal Assistant ProfessorMohanlal Sukhadia University Udaipur India. In order to use different aspects of the three parasitic classes introduction to phylum Arthropoda: Arthropoda represents vast! Introduction to phylum Arthropoda: Arthropoda represents a vast assemblage of animals Devonian ) ( Antiarchi:. Site, you agree to the use of cookies on this website customize the of! Be noted that the term `` fish '' is an informal term and it does correspond... Well as marine water Vertebrates Vertebrates are classified into 5 groups it plays an important role first... 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