PPT-Osteichthyes - Bony fishes

Fish multiple fish that belong to the same species Fishes multiple fish that belong to different species Fish versus Fishes All have At least one bone in their skeleton Scales. 1. What is a fish?. Aquatic vertebrates that have paired fins, scales, and gills.. Of course there are exceptions . . There are approx. 24,000 living species. 2. Questions. What is the function of fins?. 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. . The Bony Fish. Class Osteichthyes. Characterized by having:. Bone in their skeleton . An operculum covering the gill openings. A swimbladder or lungs. True scales. Paired fins. Homocercal tail (Exception lungfish – diphycercal). 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. Biology 201. Python consuming deer.. Python vs. Alligator. Vertebrate Evolution. First Step: Notochord is Replaced by Vertebrae. Ostracoderms. Stem vertebrate. Dermal bony armor. Jawless, . free swimming,. Traditional organization of Vertebrate Taxonomy. AGNATHA -Jawless Fishes. CHONDRICHTHYES -Sharks, skates, rays and chimeras. OSTEICHTHYES -Bony Fishes. AMPHIBIA -Amphibians. REPTILIA -Reptiles. MAMMALIA -Mammals. VANESSA RAMIREZ. YAYLYN LAZO. JOSUE FLORES . PERIOD-6. Marine science/ Mrs. Weber. TABLE OF CONTENTS . Slide 3…………………………….Scientific name. Slide 4…………………………….What they eat. Pelvic Pelvic AnatomyAnatomyRobert E Gutman MDRectus Fascia LayersRectus Fascia LayersWhat are the layers of the rectus fasciaWhat are the layers of the rectus fasciaAbove the Above the arcuatearcuate 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.. otological. anatomy for undergraduate medical students). . Dr.Rafid. Y. . Jabbar. . ENT Lecturer. MRCS,DOHNS,FRCS(Glasgow). Temporal bone . Ear divisions :. The ear consists of three main parts :. 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 . Identify the Frog Parts. esophagus. liver. Gall bladder. pancreas. spleen. kidney. l. arge intestine. bladder. Small intestine. testis. f. at body. stomach. lungs. heart. Frog Body Parts and Functions. Prof. Dr. . Mohammad . Hamed. . Bahnasawy. .  . Prof. of fish . biology . Zoology Department. Faculty . of . Science. . Damietta . University. The negative aspects. 1- Poisonous and venomous fishes.