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MARINE FISHES

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Title: MARINE FISHES


1
  • MARINE FISHES
  • Chapter 8

2
Phylum Chordata
Subphylum Vertebrata
3
Subphylum Vertebrata
Cranium
Larvae of a jawless fish
Vertebrae
Skeletal elements of a jawless fish
4
Subphylum Vertebrata
Fishes
5
Subphylum Vertebrata
Jawless Fishes
6
Jawless Fishes ancient diversity
7
Jawless fish Hagfish
8
Jawless fish Lamprey
9
Jawless Fishes modern diversity
Hagfish
Lamprey
10
Jawless Fishes modern diversity
lampreys
11
Jawed Vertebrates
Fossil placoderm
Jaws
Paired fins
12
Class Chondrichthyes
Cartilaginous fishes
13
Class Chondrichthyes
14
Shark Diversity
15
Manta birostris
Skates and rays
16
Electric Ray
Narcine brasiliensis
17
Ratfishes or chimaeras
Hydrolagus colliei
18
Class Chondrichthyes-Biology
19
Placoid scales (denticles)
Paired fins
20
Ampullae of Lorenzini
Can detect weak electrical fields, e.g. locate
buried prey in sand
21
Where can you find them within the ocean?
Demersal bottom dwellers e.g. nurse sharks
Pelagic top part of the water column e.g.
oceanic white tip sharks
22
Countershading
23
Countershading
24
Shark Conservation
25
http//www.korsgaardscommentary.com/2013/08/sharks
-are-going-extinct-heres-what-you-can-do-to-stop-i
t.html
26
The End of Chondrichthyes Notes
27
Class Osteichthyes
The Beginning of Bony Fishes Notes
Sarcastic Fringe
28
Learning Targets
I can describe the diversity of Osteichthyes. I
can describe the biological traits that make this
class the most successful vertebrates group.
29
Fish diversity
Ichthyologist on Fish Diversity
https//www.youtube.com/watch?vBTaLzjwjEHk
www.Bates.edu
30
Class Osteichthyes
Bony skeleton
31
Class Osteichthyes
Gill cover
32
Class Osteichthyes
Mouth
Complex and adaptable
33
Class Osteichthyes
Buoyancy
Swim Bladders Boyles Law https//www.youtube.c
om/watch?vMbVk0tQBMz0
http//www.pskf.ca/sd/
34
Mobility
35
Body form and niche
Flounder
36
Coloration Camouflage
https//www.youtube.com/watch?vJFxhlyJ3U4Q
Chromatophores cells with pigment that can
rapidly contract/expand
37
Fish behavior and life history
38
Territoriality
39
Fish Schooling
40
Fish Migrations
Anadromous
41
Fish Migrations
Anadromous
42
Fish Migrations
Catadromous
43
Fish Behavior- Care for Young
Video Clip Seahorse Giving Birth https//www.yout
ube.com/watch?vMsHCqrrU-Gk
44
Learning Targets
I can describe the diversity of Osteichthyes. I
can describe the biological traits that make this
class the most successful vertebrates group.
45
The End- Osteichthyes Notes
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