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Fish Medicine SDL - Coggle Diagram

- - - - rectangular Structure
      - Single pass system
      - built above or below ground
      - cement, fibreglass or wood
      - require large volumes of water and gravity flow
      - Species
        
        trout
        
        tilapia
        
        carp
        
        prawns
    - - Advantages
        
        Easy harvesting
        
        Easy feeding
        
        Easy Stocking
      - Disadvantages
        
        Shared water bodies
        
        Limited water control
        
        Little environmental control
        
        Exposure to water borne irritants
        
        plankton blooms
        
        jellyfish
        
        Exposure to bad weather conditions
        
        Susceptible to predators
      - Types of cages
        
        variable sizes
        
        soft or hard materials
        
        Circular or squared
        
        marine or freshwater
      - Species
        
        tilapia
        
        seabass
        
        salmonids
        
        seabream
    - - least intensive
      - most common
      - Enclosed water area
      - Depend on natural processes
      - Species
        
        Tilapia
        
        shrimp/prawns
        
        salmonids
        
        catfish
    - - Most intensive
      - can be located anywhere
      - less water requirements
      - required expertise
      - significant energy input
      - Commonly used in juvenile systems
      - Species
        
        eel
        
        sturgeon
        
        trout
        
        arctic char
        
        yellowtail
    - - Used in mollusc aquaculture
      - Essential: area location
        
        avoid prevailing winds
        
        water depth
        
        water movement
        
        Phytoplankton rich, without any toxic waste
      - Poles
        
        driven into the sea bed
        
        spaced ~ 1m apart
        
        Variable length and diameter
        
        Seeds/spats wrapped around poles
  - - - marine or freshwater
      - Species used for
        
        juvenile production of salmonids
        
        bass
        
        bream
        
        sole
        
        shrimp
    - - Species used for
        
        shrimp
        
        marine fish early larval rearing
        
        pangasius etc
    - - Marine or Freshwater
      - Species used for
        
        bass
        
        bream
        
        Salmonids
        
        halibut
        
        pangasius etc
- - - - Insects of the Sea
      - species
        
        lobsters
        
        shrimps
        
        crabs
        
        barnacles
      - Marine (most), freshwater and terrestrial
      - Anatomy
        
        Some present shell/exoskeleton
        
        protein
        
        chitin
        
        Branchial respiration
      - pedators, suspension feeders and scavengers
    - - Species
        
        Gastropods
        
        Winkles
        
        Whelks
        
        bivalves
        
        oysters
        
        clams
        
        cephlapods
        
        octopi
        
        squids
        
        cuttlefish
        
        far more advanced than other molluscs
      - marine (mostly), freshwater and terrestrial
      - coelomic animals (often reduced to a cavity that only surrounds the heart)
      - Unsegmented body
      - Common Body Plan
        
        Radula (toothy tongue)
        
        Mantle (produces shell)
        
        Foot (muscle, variable functions- locomotion, anchoring or predation)
        
        Shell (CaCO3 and chitin- protection)
        
        Visceral mass (internal organs)
    - - Sea Urchins
  - - - Tilapia
      - catfish
      - carp
    - - pacific salmon
      - trout
      - atlantic salmon
    - - bass
      - cod
      - bream
      - halibut
    - - Aquaculture Species
        
        EU
        
        Rainbow Trout
        
        Gilthead Seabream
        
        Atlantic Salmon
        
        European Seabass
        
        Common Carp
        
        UK
        
        Atlantic Salmon
        
        Rainbow trout
        
        Worldwide
        
        Silver carp
        
        Nile tilapia
        
        Grass carp
- - - - loss of parr marks
      - turn silver
- - - - operational welfare indicators
    - - Stocking Densities
      - growth rates
      - behaviour
      - health status
      - feeding rates
      - survival rates
      - surface activity
    - - Salinity
      - O2
      - Temperature
      - etc
  - - - Fails to include fish or invertebrates
      - operating on a fish is not illegal if you are not MRCVS
    - - Extended to include cephlalopod molluscs and decapod crustaceans