Date post: | 13-Dec-2015 |
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Aquarium Fish• ~8 million households
have pet fish in US
• ~1-10% marine fish captive bred– Rest wild caught from coral
reefs
• Aquatic vertebrates, usually covered in scales, have fins, and have gills for respiration
Scales
• Size• Lack of scales• Deciduous
Scales
•Growth rings– Temperate areas– Stress– Age estimate
Muscle
• 40-60% of fish muscle used in movement
• White– Low Myoglobin, O2
– Anaerobic, fast, short duration
• Red– High myoglobin, O2
– Aerobic, sustained• Pink
Muscle
• Arranged in “W” segments
Gills
• Circulation– Heart Gills Body Heart
• Ammonia excretion
Common Aquarium Fish
1. Tropical freshwater– 1O
• Guppies, mollies• Livebearers, prolific
– 2O
• Egg layers• Bettas, paradise fish,
catfish, angelfish, oscars• Active, can be aggressive
Common Aquarium Fish
2. Cool, freshwater– Goldfish, Koi– Hearty– Aquarium, pond
3. Tropical, marine– Clownfish– Increasing in popularity– Challenging– Sources of fish
Tropical Marine Fish• Most wild caught
– How?– http://www.youtube.com/wa
tch?v=MtMs_6Z_jTE– Stressed
• Space• Parasites• Specialized diet
• Rule of thumb to avoid aggression– Only have 1 fish of each color,
color pattern and shape– Avoid large differences in size
Tropical Marine Fish
• Top species options– Anemone fish– Damsel fish– Angel fish– Gobies– Wrasses– Parrot fish– Butterfly fish
Assignment
• Create your dream aquarium
• https://www.youtube.com/watch?v=kke9LJ0sWKU