3Q: fish and shellfish Flashcards
have backbone to sense changes in environment, gills for breathing, and fins.
fish
have exoskeleton and shell.
shellfish
are echinoderms
sea urchins
fish is categorized by their _____
habitat, fat content, and body shape
fish are primarily divided into:
freshwater and saltwater
ocean fish percentage
58 percent
lakes and etc perc
41
1 percent of fishes are _____
anadromous
do fishes have the same salinity regardless of habitat?
yes
acts as a barrier
scales
is a sign of freshness in fishes
sliminess
are tubular in shape and the term describes fish that move in open and moving water. will produce 2 equal sized fillets.
round fish
examples of round fish: STS
sardines, tuna, salmon
tend to be more stationary, lying flat against the bottom of the watery habitat. nonsymmetrical and 4 fillet pieces.
flatfish
examples of flatfish: BHPST
brill, halibut, plaice, sole, tilapia