PPT-Fish Morphology Bony Fishes

Body Divisions Their body is divided into head trunk and tail although the divisions are not always externally visible The caudal peduncle is the narrow part of the fishs body to which the caudal or tail fin is attached The . JEOPARDY. How things. work?. Bony Fish. Anatomy. Circulatory. System. Digestive. System. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. Biology 342. (. Simplified). Phylogey. of Fishes. HAGFISHES:. Living relict group of fishes often considered to be amongst most primitive of vertebrates.. Jawless, poorly developed cranial structures, no ossified vertebral elements.. Characteristics of all Fish. All fish are . aquatic. All fish are . vertebrates. All fish have . gills. All fish have appendages in the form of . fins. Most. fish have skin with . scales. Different Groups of Fishes. … a . superclass. . “a-without... gnathus. -jaws”. Jawless fish . Only 80 existing species divided into 2 classes . Class . Cephalaspidomorphi. : lampreys. Most live permanently in fresh water . Scientific Classification-. Class . Osteichthyes. Class . Osteichthyes. includes all bony fishes. . Like all fishes, . Osteichthyes. are cold-blooded vertebrates that breathe through gills and use fins for swimming.. Where does it start?. Part 1. Phylum Chordata. Animal Kingdom. Vertebrates over here. Chordata (animals with notochord at some stage in life cycle). Craniata (euchordates with a cranium) = Vertebrata. Draw the general idea of the following. Depressiform. Compressiform. Fusiform. Sagittiform. Aguilliform. Name 3 examples of bony fish. Name 3 examples of cartilaginous fish. What were the four fish mentioned in Four Fish?. DOCUMENTS OF THE FISHERY RESOURCESDIVISION OF FAO DEPARTMENT OF FISHERIESDocuments which are not official FAO publicationsare issuedinsevera!series.Theyaregiven 'arestricted distribution and this fact Origin. Position. Anatomy. Ovaries. Testes. Testes in different groups. Structure of ovary. Structure of testes. Cyclic changes in gonads. Intermittent organs. Reproductive strategies. Acknowledgements . coloured. . . Colouration. is one of the most common phenomena found among the fishes.. The enormous range of . colours. and patterns that produced in fishes are generally related to their habits.. 1 CHAPTER 1 1 .1 The cerebellum which means ‘little brain’ is present in all vertebrate brains. Located underneath the posterior region of the skull and rostrocaudal to the occipital lobe, it Page 39, . text. Precambrian. Phylogeny of the Fishes. The first vertebrates to appear in the fossil record occurred in the late Cambrian Period (. ~. 500 mya). These were jawless armored fishes known as . Barbara Leary and Amy . Vallis. AP Biology. Ms. Bergman. April 8, 2011. BODY STRUCTURE AND COVERING. BONY FISH (. Teleosts. ). Scales are flatter covered by thins layers of skin and mucus making them slippery. Dr. S.P. Sahu. Assistant Professor (LPM. ). Bihar Veterinary College, Patna. Fish Seed Collection. Classification of Indian major carps based on size only:. Spawn/hatchling : upto 8 mm. Early fry : 8-25 mm.