Fish Dissection Image from http www chm bris
Fish Dissection Image from: http: //www. chm. bris. ac. uk/motm/trimethylamine/fish. gif
FISH ANIMALIA KINGDOM _______ PHYLUM ______________ CHORDATA OSTEICHTHYES CLASS ________________
There are over 30, 000 species of fish http: //t 3. preservice. org/T 0210463/images/fish-chart. jpg
Images from: http: //www. eslkidstuff. com/images/shark. gif http: //www. miamisci. org/oceans/coralreef/predators/mantaray. gif http: //www. emc. maricopa. edu/faculty/farabee/Bio. BK/comparison. gif http: //www. chm. bris. ac. uk/motm/trimethylamine/fish. gif
BONY FISH CHARACTERISTICS Endoskeleton made of bone Scales Fins Lungs Swim bladder
DORSAL VIEW “TOP” VENTRAL VIEW BILATERAL “BOTTOM” SYMMETRY
EXTERNAL STRUCTURES OF A PERCH
SCALES Scalesdecrease water resistance offer protection
OPERCULUM Water goes in through mouth out through a slit behind operculum
EYES NOSTRILS MOUTH
DORSAL FINS Pectoral Caudal Pelvic Anal
LATERAL LINE http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/perch/index. html Senses vibrations, depth and water pressure
ANUS exit for digestive waste
INTERNAL STRUCTURES
ENDOSKELETON
RESPIRATORY SYSTEM GILLS
FUNCTIONS OF GILLS 1. Gas exchange 2. Excrete Nitrogen waste as ammonia.
Image by Riedell/Vanderwal© 2005 SEXUAL REPRODUCTION – OVARY (female)-makes eggs
Image by Riedell/Vanderwal© 2005 TESTES (male)-make sperm
SWIM BLADDER Controls depth of fish in the water. Image by Riedell/Vanderwal© 2005
LIVER Aids in digestive process. Image by Riedell/Vanderwal© 2005
STOMACH Image by Riedell/Vanderwal© 2005
INTESTINE Absorbs nutrients
HEART Pumps blood throughout the body.
SPLEEN Produces new red blood cells. Image by Riedell/Vanderwal© 2005
KIDNEY Collects and removes wastes. Image by Riedell/Vanderwal© 2005
BRAIN Image modified from: http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/perch/index. html
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