Osmoconformers

Question 1

What fish are osmoconformers?

Answer 1

• hagfish

Question 2

Hagfish blood is _____ with seawater

Answer 2

• isosmotic (high NaCl like SW)

Question 3

What kind of kidney do osmoconformers have?

Answer 3

• mesonephric

Question 4

What does it mean to have a mesonephric kidney?

Answer 4

• urine not equal to blood composition
• glomerular filtrate (gets rid of divalent ions)

Question 5

Osmoconformers have ionic secretions in _____. What are they high in?

Answer 5

• slime
• Na, Mg, SO4, K

Question 6

Where are ionocytes in osmoconformers? What do they excrete? What is not excreted?

Answer 6

• gills
• H+ and HCO3 excretion
• not NaCl