week 5 fish origins – fossil fishes jawless and cartilagenous fishes

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Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

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Page 1: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Week 5

Fish origins – Fossil fishes

Jawless and cartilagenous fishes

Page 2: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Chapter 2 - Fish Origins and Some Early History

Page 3: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Phylum Hemichordata

Phylum Echinodermata

Phylum Chordata - Origins

Page 4: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Pikaia – a very early (fossil) chordate

Page 5: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

A primitive LIVING Chordate

Phylum Chordata

Cephalochordate or amphioxus

Page 6: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

A primitive LIVING Chordate

Phylum Chordata

Cephalochordate or amphioxus

Page 7: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Major Groups of Fishes

Page 8: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

“Fishes”

Page 9: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Phylogeny of the Vertebrates

“Jawless fishes”

“Jawed fishes”

Page 10: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

JawlessJawed

Page 11: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

“Jawless fishes”

“Bony fishes”

Cartilagenous fishes

Phylogeny of the Vertebrates

Page 12: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Jawless

Bony

Cartilaginous

Page 13: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Fishes

Page 14: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Trends in Fish Evolution

Increased dietary niche

Page 15: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Trends in Fish Evolution

Increased mobility

Page 16: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Chapter 5 – Jawless Fishes

Page 17: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

ca. 500 mya

Primitive Vertebrates

Conodonts

Page 18: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Conodonts

Page 19: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Class Myxini

Hagfishes

Page 20: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Hagfishes

http://biodidac.bio.uottawa.ca/Thumbnails/showimage.cfm?File_name=Agna012b&File_type=gif

http://biodidac.bio.uottawa.ca/Thumbnails/showimage.cfm?File_name=AGNA007B&File_type=GIF

Page 21: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Slime glands and slime

Page 22: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Hagfish Eggs

Page 23: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Mxyine glutinosa L.

1 Family

6 genera

ca. 40 species

http://www.sjoharen.com/

Page 24: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Eptatretus

Page 25: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Eel Skin

Page 26: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Class Cephalaspidomorphi

Lampreys

Page 27: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Geotria

2 familes

6 genera

41 species

Lampreys

Page 28: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Lampetra tridentata

Page 29: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Lampetra similis

Lampetra ayresi

Lampetra richardsoni

Page 30: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Predaceous or parasitic life mode

Page 31: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Predaceous lampreys

Page 32: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Brook lampreys

Page 33: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Satellite Species

Predaceous Lampetra fluviatilis

Non-feeding Lampetra planeri

Page 34: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Great Lakes

and sea lampreys

Page 35: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Page 36: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Fossil Jawless Fishes

“Ostracoderms”

Page 37: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Fossil Jawless Fishes

“Ostracoderms”

All Long Extinct

Page 38: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Sacabambaspis

Aranapsida

Page 39: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Pteraspidomorphi

Pteraspis

Page 40: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Anaspidiformes

Rhyncholepis

Page 41: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Osteostraci

Ateleaspis

Page 42: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Chapter 6 - Fishes with Jaws

Gnathostomes

Page 43: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Thelodonti

http://faculty.etsu.edu/wallaces/lec04ug.pdf

Page 44: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Jaw Evolution

Page 45: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

First jaws

Page 46: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

First jaws

Page 47: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

†Class Placodermi

Page 48: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

†Class PlacodermiAll Long Extinct

Page 49: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

†Class Placodermi

Rhenaniformes

Page 50: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

†Class Placodermi

Antiarchiformes

Page 51: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

†Class Placodermi

Page 52: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Jaws + well developed paired fins and girdles

Page 53: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Cartilagenous Fishes

Page 54: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Hydrolagus

Cartilagenous Fishes

Ratfish, chimaeras

Page 55: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Callorhinchus

Cartilagenous Fishes

Ratfish, chimaeras

Page 56: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Rhinochimaera

Cartilagenous Fishes

Ratfish, chimaeras

Page 57: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Sharks, skates and rays

Cartilagenous Fishes

Elasmobranchs

Page 58: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Skates and rays and sawfishes

Page 59: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Narcine (electric ray)

Skates and rays and sawfishes

Page 60: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Skates and rays and sawfishes

Page 61: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Skates and rays and sawfishes

Page 62: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Skates and rays and sawfishes

Page 63: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Heterodontus (Port Jackson Shark)

Sharks

Page 64: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Sharks

Page 65: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Sharks

Page 66: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Sharks

Page 67: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Primitive Sharks

Page 68: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Cookie cutter shark

Primitive Sharks

Page 69: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Buoyancy

Page 70: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Respiration

Page 71: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Feeding

Page 72: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Spiral Valve

Page 73: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Plankton Feeding

Page 74: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Sensory Biology

ampullae de lorenzini

Page 75: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Reproduction

Page 76: Week 5 Fish origins – Fossil fishes Jawless and cartilagenous fishes

Reproduction

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Vertebrates Jawless fishes to Mammals Gills to Lungs Fish – one way circulation Amphibians – circulation loop Reptiles – partial septum - little mixing

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AIM: What are the main characteristics of fishes and how do jawless fishes,cartilaginous fishes and bony fishes differ ? OBJ: Given notes and activity

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Chapter 8- Marine Fishes - Weeblygcrlmarinebio.weebly.com/.../1/3/55131839/chapter_8-_marine_fishes … · Chapter 8- Marine Fishes . Types of Fish 1. Agnatha (jawless fish) ... •

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