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Caudalor
Posterior
Cranialor Anterior
Dorsal
Ventral
Tilapia AnatomyDorsal FinDorsal Fin
CaudalFinCaudalFin
Anal FinAnal FinPelvicFinPelvicFin
PectoralFinPectoralFin
OperculumOperculum
Lateral LineLateral Line
Catfish AnatomyDorsal Fin
Adipose Fin
CaudalFin
Anal FinPelvic Fin
Pectoral Fin
Barbel
Operculum LateralLine
Retroperitoneal
Thor-acic Peritoneal
Fish CavitiesPeritonealMembrane
Fish Cavitiesand
Membranes
Peritonium
Messorchium
Messentary
Ovary
Intestine
RP Retroperitoneal cavity
RP
P Peritoneal cavity
P
Cross Section
BasicGuts
Spine Kidney Swim Bladder
Gonad
Spleen
Intestine
Stomach
Esophogus
HeartLiver
GillGill
HeartHeart
LiverLiver IntestineIntestine FatFatLiverLiver
Dark peritoneum
HeartHeart
LiverGallBladder
Spleen
Intestine
IntestineIntestine
GillGillHeartHeart
LiverLiver
SwimSwimBladderBladder
TestisTestis
SpleenSpleen
KidneyKidneySwim Bladder Opened
Kidneys: Looking Up from the Bottom
Bass and Trout Catfish and Carp
AnteriorRegion ofKidney
PosteriorRegion ofKidney
HeadKidney
TrunkKidney
Stannius Corpuscle
Trunk Kidney:Urine/Osmoregulation
Head/Anterior Kidney:Makes blood cells
TheHeart
LungsBodyGills Body
Fish Mammal
A A
AAVV
V V
Swim Bladders
Swim Bladder
Esophagus
Some fish have a duct that connectsthe swim bladderto the intestine.
Pneumatic Duct
Swim Bladders
Swim Bladder
Intestine
Swim Bladder
Intestine
Some fish have a duct that connectsthe swim bladderto the intestine.
Other fish have no duct and inflate theirswim bladder by usinga gas-secreting gland.
GasGland
Pneumatic Duct
Liver Anatomy
Catfish Liver and Gall Bladder
Tilapia Liver and Gall Bladder
Liver:-Modifies food-Storage
Gall Bladder:Bile for digestion of fats
Gut
Basic Gut Anatomy
Mouth
Pharynx
EsophagusStomach
Valve
Valve
ProximalIntestine
DistalIntestine
Valve Vent
What is missing (mammals)?What are the functions?
Variability in Gut Design
Carp Catfish Trout Sturgeon
Brain AnatomyCoordinationof Movement
Coordinates Senseswith Movement
Vision
Smell
Pituitary GlandSpine
ToTail
ToNose
Spleen:Blood FiltrationBlood cell storage
Fish Eyes
Errors?
Retroperitoneal
PeritonealThoracic
Review
VB SBTK
E
H
LV ST SPI
O
HK
Review
• Know the cavities– Peritoneal, retroperitoneal, thoracic
• Know what organs are in those cavities
• Know the fins• Be able to label the cartoon fish