Term
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Definition
4-Chambered linear heart
Blood through gills and then to body
Copious vascular supply at lungs |
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Term
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Definition
Respiratory exchange mainly at gills
Gills also important in salt and nitrogenous regulation and excretion |
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Term
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Definition
Typically 2 rows of thin lamellae projecting from each of 4 branchial/gill arches
2o Lamellae increase surface area further
Underlying musculoskeletal structures regulate flow
Gas exchange through countercurrent mechanism
Water in through mouth, out through opercula |
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Term
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Definition
Goldfish
Koi carp
Betta
Neontetra
Guppy
Angelfish |
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Term
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Definition
Damselfish
Surgeonfish
Wrasses
Marine angelfish
Clownfish
Seahorses |
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Term
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Definition
Nitrogen introduced via food
Fish excretes ammonia
Nitrosomas bacteria convert ammonia to Nitrite
Nitrobacter bacteria convert Nitrite to Nitrate
Plants use Nitrate |
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Term
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Definition
Ammonia toxicity is higher at high temperature and high pH. Also, immature or damaged biological filter, high fish density
Nitrite toxicity: new tanks
Nitrate toxicity: higher in salt water and low temperature |
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Term
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Definition
Water parameter monitoring: every 2-3 days in 2 tanks, every 2 weeks in established tanks
Partial water change: 20-30 % every 2 weeks
Cleaning: algae from front glass and debris from filter
Rinsing of the filters with water NO washing up liquid |
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