Gill slits First dorsal fin ܐܐܐܐ Pectoral fin Dorsal surface Second dorsal fin Pelvic fin A Anal fin Anatomy of a shark. Use these terms to help you work through the key below. -Caudal fin

Aquaculture Science
3rd Edition
ISBN:9781133558347
Author:Parker
Publisher:Parker
Chapter2: Aquatic Plants And Animals
Section: Chapter Questions
Problem 4KA
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Gill slits
First dorsal fin
ܐܐܐܐ
Pectoral fin
3a. Six gill slits
3b. Five gill slits
Dorsal surface
4a. One dorsal fin
4b. Two dorsal fins
Anatomy of a shark. Use these terms to help you work through the key below.
Key
la. Body, as seen from the top, shaped like a kite
1b. Body, as seen from the top, not shaped like a kite
2a. Pelvic fin absent
2b. Pelvic fin present
Second dorsal fin
Pelvic fin
5a. Mouth located at front of snout
5b. Mouth located on underside of head
8a. First dorsal fin extremely long
8b. First dorsal fin regular length
9a. Caudal fin extremely long
9b. Caudal fin regular length
Anal fin
6a. Head expanded, with eyes located at end of expansion
6b. Head not expanded
7a. Top half of caudal fin same as bottom half
7b. Top half of caudal fin different than bottom half
go to 12
go to 2
Pristiophoridae
go to 3
Hexanchidae
go to 4
Scyliorhinidae
go to 5
-Caudal fin
Rhincodontidae
go to 6
Sphrynidea
go to 7
Isuridae
go to 8
Pseuodotriakidae
go to 9
Alopiidae
go to 10
Transcribed Image Text:Gill slits First dorsal fin ܐܐܐܐ Pectoral fin 3a. Six gill slits 3b. Five gill slits Dorsal surface 4a. One dorsal fin 4b. Two dorsal fins Anatomy of a shark. Use these terms to help you work through the key below. Key la. Body, as seen from the top, shaped like a kite 1b. Body, as seen from the top, not shaped like a kite 2a. Pelvic fin absent 2b. Pelvic fin present Second dorsal fin Pelvic fin 5a. Mouth located at front of snout 5b. Mouth located on underside of head 8a. First dorsal fin extremely long 8b. First dorsal fin regular length 9a. Caudal fin extremely long 9b. Caudal fin regular length Anal fin 6a. Head expanded, with eyes located at end of expansion 6b. Head not expanded 7a. Top half of caudal fin same as bottom half 7b. Top half of caudal fin different than bottom half go to 12 go to 2 Pristiophoridae go to 3 Hexanchidae go to 4 Scyliorhinidae go to 5 -Caudal fin Rhincodontidae go to 6 Sphrynidea go to 7 Isuridae go to 8 Pseuodotriakidae go to 9 Alopiidae go to 10
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