Jawless fishes powerpoint
Upcoming SlideShare
Loading in...5
×
 

Jawless fishes powerpoint

on

  • 1,925 views

 

Statistics

Views

Total Views
1,925
Views on SlideShare
1,925
Embed Views
0

Actions

Likes
0
Downloads
14
Comments
0

0 Embeds 0

No embeds

Accessibility

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

Jawless fishes powerpoint Jawless fishes powerpoint Presentation Transcript

  • The Jawless Fishes Class Agnatha
  • • long, eel-like bodies• lack paired fins• cartilage endoskeleton• gill slits with no operculum (covering)
  • • no jaws• circular mouths – cannot close• sharp teeth• rasping tongue – tears hole in prey and sucks out blood and body fluids
  • • less than 50 species• most primitive fish• skin sold as “eelskin” leather
  • ExamplesHagfish:• burrow in mud• eat worms or scavenge on dead & dying fish• have tentacles around their mouth• protection = slime
  • ExamplesLampreys:• usually parasitic• great sense of smell to find prey• covered with a poisonous slime• major problem inGreat Lakes