Perch 2

Question 1

in roof of oral cavity, in addition to marginal series

Answer 1

palatal teeth

Question 2

in posterior upper and lower part of pharynx, in addition to marginal and palatal series

Answer 2

pharyngeal teeth

Question 3

flaps beneath operculum

Answer 3

gills

Question 4

compose the gills

Answer 4

gill filaments

Question 5

perch contains 4, support gills

Answer 5

branchial arches

Question 6

projections that extend inward across pharyngeal slit

Answer 6

gill rakers

Question 7

mesentery covering viscera

Answer 7

Visceral peritoneum

Question 8

mesentery lining body cavity

Answer 8

parietal peritoneum

Question 9

dorsal to ovary

Answer 9

swim bladder

Question 10

dark coloured, only end visible at anterior end of the cavity

Answer 10

liver

Question 11

ventral to ovary, narrow, could be mid ventral or displaced by large ovary

Answer 11

small intestine

Question 12

short, thick, j shaped

Answer 12

stomach

Question 13

in vertex of stomach

Answer 13

spleen

Question 14

between stomach and liver

Answer 14

gall bladder

Question 15

immediately anterior to liver, separates pleuroperitoneal cavity and pericardial cavity

Answer 15

transverse septum

Question 16

wider anterior portion of intestine

Answer 16

duodenum

Question 17

fingerlike projections of anterior intestine

Answer 17

pyloric ceca

Question 18

paired, lobulated, light coloured, and posteriorly tapered with their own ducts

Answer 18

testis

Question 19

large, fills most of the cavity

Answer 19

ovary