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Bubble Eye Goldfish
History
 1st vertebrates that appeared on earth
 Evolution of fish began 530 million years ago
Description
 Any member of paraphyletic group of organisms that
consist of all gill-bearing aquatic craniate animals that
lack limbs with digits
 Dictionary definition- any of various cold-blooded,
aquatic vertebrates, having gills, commonly fins, and
typically an elongated body covered with scales
Housing or Equipment
 Fish tank
 Aquarium filters
 Aquarium lighting
 Aquarium salt- if needed
 Fish food
 Gravel
Feeding Procedure
 * overfeeding is the most common mistake fish owners
make
 How often?
 Varies on type of fish
 Average one feeding per day
 Keep feedings small
 Timing doesn’t matter
How much?
 No more than what the fish can consume in less than 5
minutes
 Give more if needed
Varieties of food
 Manufactured food: This
includes floating and
sinking pellet, granular
and flake food.
 Freeze-dried feeds:
Worms, larvae, brine
shrimp and krill etc.
 Live foods: Maggots, fresh
insect larvae, live worms,
and feeder fish - all come
under this category.
Mandarinfish
Juvenile Emporer Angel Fish
Lionfish
Clown Trigger Fish
Nudibranch
Sympysodon
Mantis Shrimp
Moorish Idol
Clownfish
http://www.youtube.com/watch?v=eWXOu
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Rainbow Parrot Fish
Just a few
Breeds
Suborder Characoidei
 The family Characidae
 The Blind Cave Fish
 The Spraying Characin
 The bucktoothed Tetra
 The family Gasteropelecidae
 Marbled Hatchet fish
 Common Hatchet fish
 Black-winged Hatchet fish
 The family Anostomidae
 Marbled Headstander
 Striped Headstander
 Spotted Headstander
 The Family Hemiodontidae
 Tube-mouthed pencil fish
 Common Pencil fish
 Rio Meta Pyrrhulina
 The family Citharinidae
 The six-banded Distichodus
 The One Stiped African Characin
 The Pike Characin
Suborder Cyprinoidei
 The family Cyprinidae
 Arulius Barb
 Rosy Barb
 Cuming’s Barb
 The family Gyrinocheilidae
 Sucking loach
 Chinese algae eater
Reproduction
 Females expel eggs (spawn)
 Males discharge milt (sperm)
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into water
Eggs may float or sink
Millions of eggs per spawn
Many fish lay eggs in nest
Eggs and young usually
guarded by male
Life cycle of a fish
Anatomy
Interesting facts
 Fish do not sleep
 In some species males will carry the young/eggs in his
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mouth until they are old enough to care for themselves
There are over 25,000 identified species of fish on earth
40% of all fish species inhabit fresh water, yet less than
.01% of the earths’ water is fresh water
Tropical fish are one of the most popular pets in the US
The largest fish is the great whale shark which can reach 50
feet in length
Great Whale Shark