Biology 201

Ichthyology

In this table, most of the images are links to outside sources; the images are more ideal than what I could take of the specimens in the lab.

Station
Diversity
1.1	Hagfish, Lamprey
1.2	Shark, Ray
1.3	Chondrostei: Sturgeon. Holostei: Gar, Bowfin
1.4	Teleosts
Anatomy
2.1	m = midline, p = paired    Can you label the parts?
2.2	Scales: placoid (note this image shows over 20 scales), ganoid, ctenoid, cycloid
2.3	Other external features. Example 1 (cloaca not visible) Example 2 (sharks do not have an operculum) Example 3
2.5.1	A: Gas Bladder, B: Pneumatic Duct, C: Gut
2.5.2	Muscle Types:
Swimming Styles	accelerators 1 2 3; cruisers 1, 2, 3; maneuverers 1, 2, 3
Modes	anguilliform, subcarangiform, carangiform, thunniform, ostraciiform, labriform, rajiform, amiiform, balistiform,

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Swimming Videos

anguilliform	lamprey
subcarangiform	trout (experimental), salmon
carangiform	mackerel (best towards the end of the clip)
thunniform	tuna (of course!)
ostraciiform	robot, porcupine fish - sporadic use of the tail for propulsion only, cowfish, box fish
labriform	porcupine fish, manefish
rajiform	pelagic sting rays, squid
amiiform	bowfin, deep sea fish
balistiform	flounder,
cruiser	tuna
maneuverer	reef fish in a tank
accelerator	sculpin (not big accelerations), sculpin (shows huge fin area!)
flying fish	gliding
beetles	rowing
scallops	How is it propelling itself?

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R.F. Lauff Department of Biology St. Francis Xavier University Antigonish, NS Canada B2G 2W5