'Pectoral fins' diaporamas de présentation

Oceanic Nekton

Oceanic Nekton. Composition of the Oceanic Nekton. Phylum: Chordata. Notochord and dorsal nerve cord Gill slits, and a post-anal tail Tunicates (sea squirts). Class: Agnatha. Jawless fish Lampreys and hagfish Represent ancestors of bony fish and sharks. Class: Chondrichthyes.

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Week Two

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Fish Families

Fish Families. Family Identification. Acipenseridae / Sturgeon Family:. Acipenseridae / Sturgeon Family:. Rows of bony scales Ventral Mouth, with barbels Lake Sturgeon in the Great Lakes Flesh is tasty! ?. Amiidae / Bowfin Family:. Amia calva. Amiidae / Bowfin Family:.

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Chapter 10 Marine Fishes

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Fishes

Fishes. Chapter 39. Introduction to Vertebrates. Section 39.1. Vertebrate Characteristics. Only 1 phylum: Chordata Three distinguishing characteristics : Vertebrae : bones or cartilage that surrounds and protects dorsal nerve cord (spine) Cranium : skull that protects the brain

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Marine Vertebrates: Fishes (Part 1)

Marine Vertebrates: Fishes (Part 1). Chordates. Common features of all chordates: Dorsal (back) hollow nerve cord Notochord (flexible support rod, becomes backbone in vertebrates) Gill slits in the pharynx Post-anal tail Ventral heart. Phylum Chordata. Subphylum

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Fishes

Fishes. Chapter 39. Introduction to Vertebrates. Section 39.1. Vertebrate Characteristics. Only 1 phylum: Chordata Three distinguishing characteristics : Vertebrae : bones or cartilage that surrounds and protects dorsal nerve cord (spine) Cranium : skull that protects the brain

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WHALES 101

WHALES 101. POWERPOINT created by Kristi M. Willis Photo Credits: Kenneth C. Balcolmb III, Ken Bohn/SEAWORLD, Carpenter family, Bob Cranston/Innerspace Visions, Paul Forestell, John Green, Dan McSweeney, Tony Martin, Planet Earth Pictures, Greg Spencer, Larry Foster, and Kristi M. Willis.

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Unit 8.2 Class Agnatha, Chondrichthyes, & Osteichthyes

Unit 8.2 Class Agnatha, Chondrichthyes, & Osteichthyes. The Vertebrates. Subphylum Vertebrata. All vertebrates have a backbone, cranium, and spinal cord. All contain paired-mass muscular systems

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Phylum Chordata & Types of Fish

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Anatomy of Fish

Anatomy of Fish. What makes a fish a fish?. Things you will learn. Fish breathe through gills. Fish have fins to help them swim. Some fish can live in salt water. Some fish can live in fresh water. Only a few can live both. Different adaptations of fish. Vocabulary.

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Fishes

Fishes. Chapter 39. Introduction to Vertebrates. Section 39.1. Vertebrate Characteristics. Only 1 phylum: Chordata Three distinguishing characteristics : Vertebrae : bones or cartilage that surrounds and protects dorsal nerve cord (spine) Cranium : skull that protects the brain

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Reading Assignment:

2008. Reading Assignment:. Chapter 14 Hagfishes and Lampreys. end. Summary:. 1. Rover predators 2. Lie-in-wait predators 3. Surface oriented fishes 4. Bottom fishes 5. Deep Bodied fishes 6. Eel-like fishes. end. 3. Surface-Oriented fishes. Often small

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Fish

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elasmo-research/education/shark_profiles/hammerhead_faq.htm

http://www.elasmo-research.org/education/shark_profiles/hammerhead_faq.htm. Hammerhead sharks ( 8 species known) Sea of Cortez has the scalloped hammerhead ( Sphryrna lewini) School around seamounts Slow reproductive rate: females mature at 15 yrs, 12 month

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Natural History of Sharks, Skates, and Rays Locomotion MARE 394 Dr. Turner Summer 2008

Natural History of Sharks, Skates, and Rays Locomotion MARE 394 Dr. Turner Summer 2008. Body Form & Propulsion. Body form: Distinctive heterocercal tail External morphological symmetry Ventrolateral winglike pectoral fins extending laterally from the body

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Chordates and Fish

Chordates and Fish. Characteristics of Chordates A chordate is an animal that in some stage of development has: Notochord- dorsal rod of specialized nerves A dorsal nerve chord- hollow tube just above the notochord Pharyngeal pouches- small out pockets of the anterior gut

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Chordates and Fish Unit Learning Target Objectives :

Chordates and Fish Unit Learning Target Objectives : Distinguish between the 3 major chordate divisions and between classes of chordates/fish, listing examples of each. Compare and contrast features of organisms that make them unique or help place them in a particular class.

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November 7, 2008 - Fish Friday

November 7, 2008 - Fish Friday Notes: Please read the Goodman paper for Monday. It is on the web. Guest speaker, Chris Cheng, will be talking about how fish survive in cold water. Scorpaeniformes. Rockfishes, scorpionfishes, sculpins, lumpfishes, many other common names

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Sharks!

BY HOLT M. Sharks!. VERY MEAN ANIMALS. INTRODUCTION!. My animal is a Great white shark its scientific name is C archarodon Carchairas Largest predatory fish on earth It lives up to 30 years! Its endangered because people want their teeth. PHYSICAL FEATURES !.

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