Perch

Question 1

lateral fins that improve the swimming ability of the perch

Answer 1

pectoral fin

Question 2

fin ventral to the pectoral fin

Answer 2

pelvic fin

Question 3

lies along the mid ventral line opposite posterior dorsal fin

Answer 3

anal fin

Question 4

supported by soft fin rays arranged in a homocercal tail

Answer 4

caudal fin

Question 5

ventrally tapered bony element that supports fin rays

Answer 5

radial pterygiophore

Question 6

ossified fin rays

Answer 6

fin spine

Question 7

may bear ribs, hemal, and neural spines

Answer 7

vertebrae

Question 8

dorsal projections of vertebrae

Answer 8

neural spine

Question 9

attached ligamentously to posterior surface of the more anterior ventral ribs

Answer 9

dorsal rib

Question 10

form in myosepta adjacent to body cavity and extend ventrally

Answer 10

ventral rib

Question 11

extension of caudal region past trunk

Answer 11

caudal peduncle

Question 12

small bone connecting lacrimal and premaxilla, looks like upper lip in external anatomy

Answer 12

maxilla

Question 13

bone bearing teeth

Answer 13

premaxilla

Question 14

lower jaw

Answer 14

mandible

Question 15

anterior to each eye

Answer 15

naris

Question 16

forms distinct ridge along scales on trunk and caudal peduncle

Answer 16

lateral line

Question 17

large circular opening anterior to anal fin

Answer 17

anus

Question 18

lies immediately posterior to anus

Answer 18

urogenital aperture