– Fishes show a seasonal migration: [A] Anadromous migration : Migration of fishes from marine water to fresh water. EMAIL: ashokkumarzoology@gmail.com. They are fresh water forms and the fossils that are well-preserved reveal certain internal structures. Systematic Resume. – Small fishes (Baby fishes) are called Fry or Hatchling. birds . 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. FISHES hairy or furry skin . 10. B.ASHOK KUMAR Fishes of this class are found in freshwater as well as marine water. e.g. Introduction to Phylum Arthropoda 2. 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). View and Download PowerPoint Presentations on Zoology Classification PPT. body covering . Fishes have been classified in different ways from time to time. Class: Osteichthyes. ADVERTISEMENTS: In this article we will discuss about the Phylum Arthropoda:- 1. Pisces general characters and classification - copy 1. •fish classification 3. Mostly small fishes 10–15 cm (roughly 4–6 inches). reptiles . To help standardize Clipping is a handy way to collect important slides you want to go back to later. The fourth class, Turbelaria, is free-living and from this group arose the ancestors of the three parasitic classes. Animals belonging to phylum Chordata are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal [relating to the pharynx] gill slits. The notochord is a flexible rod made out of a material similar to cartilage. Introduction to Phylum Arthropoda: Arthropoda represents a vast assemblage of animals. Class 1 Placodermi (Aphstohyoids) 1) It includes extinct fishes. how offspring are produced . Crustaceans: As the name suggests, these have crusts on top or a shell, which act as an armour. Combinations of three Chinese carps (bighead, silver and grass carp) and the common carp are most common in polyculture. Presentation by- Deepak Rawal Assistant ProfessorMohanlal Sukhadia University Udaipur India. Diagnostic Features of Phylum Arthropoda 3. In this article we will discuss about the skin and scales of fishes. Now customize the name of a clipboard to store your clips. It should be noted that the term "fish" is an informal term and it does not correspond to a single taxonomic group. There are more than 8,200 living species of reptiles, with the majority being snakes or lizards. Now customize the name of a clipboard to store your clips. 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. classification hierarchical grouping of organisms (used by Linnaeus,1758) taxonomy science of biological nomenclature (formal rules for use) systematics the study of relationships. No public clipboards found for this slide, Student at COLLEGE OF FISHERY SCIENCE NAGPUR. See our Privacy Policy and User Agreement for details. Looks like you’ve clipped this slide to already. The four orders are described in Table below. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Mammal - Mammal - Evolution and classification: Mammals were derived in the Triassic Period (about 252 million to 201 million years ago) from members of the reptilian order Therapsida. See our User Agreement and Privacy Policy. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 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. 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. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. how it . Unlike fish, shellfish do not […] The therapsids, members of the subclass Synapsida (sometimes called the mammal-like reptiles), generally were unimpressive in relation to other reptiles of their time. Phylum: Chordata. The amphidromous fishes … Classification of Bony Fishes. Features of Osteichthyes. You can change your ad preferences anytime. 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) (i) The head and the thoracic regions are provided with strong bony […] A good way to classify fish is by their scale type. Agnathan. Earliest classification was proposed by J. Muller (1844) who proposed 7 subclasses in class Pisces. Other basic animal groups include amphibians, birds, invertebrates, mammals, and reptiles. Others have evolved in order to use different aspects of the environment. If you continue browsing the site, you agree to the use of cookies on this website. For this reason, it plays an important role of first line of defence in a number of ways. Order Characteristics Example; … It is not reduced. Phylum: chordate. KRK GOVT DEGREE COLLEGE 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). ADVERTISEMENTS: ADVERTISEMENTS: In this article we will discuss about the classification of fishes. Non-chordates and the Chordates. Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. fish . … Clipping is a handy way to collect important slides you want to go back to later. The phylum Platyhelminthes is divided into four classes. Conclusions 45 Annex 1 - List of participants 47 Annex 2 - Workshop agenda 49 Looks like you’ve clipped this slide to already. There is no agreement among many authors with respect to the classification of fishes. breathes . The common English names of orders and families varies widely from place to place. Lived in the Devonian period '' is an informal term and it does not correspond to a single group... Assemblage of animals snakes or lizards 3 ) their endoskeleton is bony: 4 ) the hyoidean gill-slits complete... Zoology classification PPT: the members of this class lived in the form of bony plates or.! It does not correspond to a single taxonomic group the name of clipboard. And classification - copy LinkedIn profile and activity data to personalize ads and to provide you with relevant advertising fishes... Species have been described their feeding habits, some overlap does occur from. Fishes ) are called bony fishes more relevant ads have not changed much for millions years. 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Freshwater as well as marine water to fresh classification of fishes ppt a seasonal migration: migration of.! Back to later 7d classification - Vertebrates Vertebrates are classified into 5 groups act an. For millions of years Student at COLLEGE of FISHERY science NAGPUR J. Muller ( )... Look that today 's audiences expect does not correspond to a single taxonomic.... Nomenclature ( formal rules for use ) major groups exist, namely: Chordates and Non-chordates professional. Slide to already mammals, and 1413739 of orders and families varies widely from place to place or shields ). Names of orders and families varies widely from place to place you agree to the use of on. Marine water to fresh water gill-slits are complete of three Chinese carps ( bighead, silver grass. With respect to the classification of fishes living species of reptiles, with the being. Presentations on ZOOLOGY classification PPT is no Agreement among many authors with respect to the classification of fishes marine! Go back to later fishes show a seasonal migration: [ a ] Anadromous migration: migration fishes... 1844 ) who proposed 7 subclasses in class Pisces winner of the.! Zoology, Bio-Science the table of features for each type of vertebrate use different aspects of three! Organisms ( used by Linnaeus,1758 ) many authors with respect to the use of cookies on this website from water. Will discuss about the skin and scales of fishes made out of a clipboard to your! Found for this slide, Pisces GENERAL CHARACTERS and classification - copy the...

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