24 terms

Unit 7 Fish

other fishy stuff, parts, senses, nets, fishing
STUDY
PLAY
surrounds a whole school of fish (and any thing else in the way)
purse seine
cone net that can be used at any depth
trawl
cone net with a metal edge for the benthos
dredge
lots of baited hooks in a line
long lining
anything caught that you don't want
bycatch
fish farming
aquaculture
used for lobsters, crabs, and octopus
traps
baby fish
fish fry
picks up vibrations, used for navigation
lateral line
male and female reproductive organs
hermaphrodite
males release sperm, females release eggs and they mix in the water
spawning
lost net that still kills organisms
ghost net
air filled bubble used to control buoyancy
swim bladder
jawless fish that is a scavenger
hagfish
jawless fish that is a parasite
lamprey
cannot close their mouths
jawless fish
can't control body temperature, body temp=outside temp
cold blooded
skin protection and streamlining
scales
protects against infection
mucus
used for gas exchange
gills
fish nostrils
nares
fish get their heads stuck in a net
gill net
gathering too many adults
overharvesting
a protected area where there is no fishing
no catch zone