Phylum Chordata
Subphylum Vertebrata
Subphylum Vertebrata
Fishes
Chapter 8
Larvae of a jawless fish
*Cranium
*Vertebrae
Skeletal elements of a jawless fish
Subphylum Vertebrata
Subphylum Vertebrata
Jawless Fishes
Jawless Fishes – ancient diversity
Jawless fish: Hagfish
Jawless fish: Lamprey
Hagfish
Lamprey
Jawless Fishes – modern diversity
lampreys
Jawless Fishes – modern diversity
Jawed Vertebrates
*Jaws
*Paired fins
Fossil placoderm
Class Chondrichthyes
Cartilaginous fishes
Class Chondrichthyes
Paired fins
Placoid scales
Class Chondrichthyes
Shark Diversity
Shark Diversity
megamouth shark
Megachasma pelagios
Pygmy shark
Squaliolus laticaudus
Rhincodon typus
Whale shark
Mitsukurina owstoni
Goblin shark
Shark Diversity
Ampullae of Lorenzini
Shark Conservation
Manta birostris
Skates and rays
Electric Ray
Narcine brasiliensis
Hydrolagus colliei
Ratfishes or chimaeras
Class Osteichthyes
bony fishes
Class Osteichthyes
Bony skeleton
Complex and adaptable
Class Osteichthyes
Mouth
Class Osteichthyes
scales
Class Osteichthyes
Fins and tail
Class OsteichthyesGill cover
Class Osteichthyes
Buoyancy
Fishery Exploitation
Mobility
Tuna
Body form and niche
Flounder
Body form and niche
seahorse
Body form and niche
Porcupine fish
Body form and niche
jawfish
Coloration
Jaw protrusionFeeding
Jaws
Filter feeding
anchovies & sardines
Filter feeding
Gill rakers
Vision
Taste
Olfaction
Lateral Line
Lateral Line
Lateral Line
nerves
Lateral Line
Fish behavior and life history
Territoriality
Fish Schooling
Fish Migrations
Fish Migrations
Anadromous
Fish Migrations
Anadromous
Fish Migrations
Anadromous
Fish MigrationsCatadromous
Coelacanths
Lobe-finned fishes
Lobe Fins
Fossil lobe-finned fishes
Christmas 1938
Port Elizabeth, South Africa
Original letter from Majorie Courtney-Latimer to J.L.B. Smith
Original letter from Majorie Courtney-Latimer to J.L.B. Smith
23 Dec. 1938
J.L.B. Smith
Majorie Courtney-Latimer
Marjorie Courtney Latimer's odd fish
The first coelacanth
The Search for more….
The Second Coelacanth
1952, Comoro Islands
Back in South Africa
The Second Coelacanth
1952, Comoro Islands
Dr. James Millot
ALL living coelacanth research moves to Paris
J.L.B. Smith Institute of Ichthyology
Grahamstown, South Africa
Lobe-finned fish
Living Coelacanth
Latimeria chalumnae
1998 -- a second species from Indonesia
Sulawesi, Indonesia, 1998
Latimeria menadoensis
