Chapter 13 Flashcards
1
Q
how are Otocephalans connected?
A
by a morphological connection between the swim bladder and the inner ear
2
Q
subdivision Otocephala
A
- swim bladder connected to the ear
- Clupeiformes, Alepocephaliformes
3
Q
superorder Ostariophysi
A
- vertebral connection to the ear, schrekstoff
- Gonorynchiformes
4
Q
series Otophysi
A
- full Weberian apparatus
- Cypriniformes, Characiformes, Gymnotiformes, Siluriformes
5
Q
order Clupeiformes
A
- otophysic swim bladder
- bony scutes along ventral edge
- important trophic link
- commercial importance
- worldwide, marine & freshwater
6
Q
otophysic swim bladder
A
air bladder extends into braincase to contact the inner ear
7
Q
family Clupidae
A
- shads
- herrings
- menhaden
8
Q
family Engraulidae
A
- anchovies
- filter feeders
9
Q
Ohio Clupidae
A
- gizzard shad
- threadfin shad
- skipjack herring
- alewife
10
Q
superorder Ostariophysi
A
- largest group of FW fishes
- protractile jaw
- breeding tubercles
- vertebral connection to ear
- alarm response
11
Q
alarm response
A
- alarm substance
- alarm reaction
- secondarily lost in some groups
12
Q
order Gonorynchiformes
A
- Asia, Africa, mostly freshwater
- 1st 3 vertebrae modified
- primitive homolog to the Weberian apparatus
13
Q
family Chanidae
A
- milkfish
- important food fish in Indo-Pacific
14
Q
series Otophysi
A
- Weberian apparatus
- pharyngeal teeth
- small bodied
15
Q
Order Cypriniformes
A
- N. America, Europe, Asia, Africa
- pharyngeal teeth
- protractile mouth
- sexual dimorphism