Fish taxonomy Flashcards
Most primitive class in chordata phylum
agnatha
Do chondrichthyes have swim bladders?
No
What kind of kidneys do fish have?
Mesonephric
Which immunoglobulin do fish produce?
IgM and IgZ (thymus and kidneys of zfish)
Where are lymphocytes produced
Only thymus
Do fish have bone marrow?
No
Physostomes
Fish with connection between bladder and alimentary canal
Physoclisti
Fish that lack a connection between bladder and alimentary canal - a gas gland introduces gas to the swim bladder
Names of 3 otolith organs
utriculus (vestibular)
sacculus (sound detection)
lagena (sound detection)
Main nitrogenous waste
Ammonia (NH3)
Goldfish should be maintained at what temp?
18-24 C
Zfish should be maintained at what temp?
24-28 C
Zfish hardness recs
80-200 ppm
Zfish and Gfish pH
7-7.6
Zfish conductivity
125-2500 uS