Koivet.com | Fish Health | Dr. Erik Johnson

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Posts by category

• Category: A Health Crisis!
  • First Page
  • Intercepting Fish Diseases by Frank Prince-Iles
  • Aeration Oxygenation II
  • Nitrite II
  • pH Crash
  • pH I
  • help
  • Sick Fish: What Should I Do?
  • Koi Herpes Virus Aftermath: Are Surviving KHV Fish Carriers?
  • Hydrogen Peroxide in Tanks and Koi Ponds
  • Quarantine for Koi and Pond Fish: How To Prevent Fish Diseases
  • Aeromonas Bacterial Infections: What Should I Do About Bacteria?
• Category: All About Algae
  • What’s a Veggie Filter? How to Control Greenwater With Veggie Filtration?
  • What’s a Plecostomus and how is a Plecostomus useful? (Algae)
  • Control of String Algae: How to Get Rid of String Algae
  • Control of Green Water Algae Blooms
  • Why Greenwater (Algae) Matters
  • What is Algae?
• Category: All About Bacteria
  • Category: Beneficial Bacteria
    • Video: Bioseeding: How To Add Bacteria to New Ponds and Aquariums
    • Bioseeding: Adding Bacteria to Aquariums and Ponds for the Cycle
  • Category: Hostile Bacteria & Diseases
    • Can People Catch Aeromonas Infections?
  • Category: Treating Bacterial Infections
• Category: All About Fungal Infections
  • Cotton Wool: Fish Are Covered in White Fungus
  • Branchiomyces: What Kind of Fungus Attacks Fish in Warm Water?
  • Saprolegnia Fungus in Fish and Koi: R.E.Carlson “White Fluffy Stuff on my Fish!”
• Category: All About Medications
  • How To Make Medicated Koi and Goldfish Food
  • Tricide Neo Against Bacterial Infections
  • Potassium Permanganate KMnO4
  • Bad Formalin: What to Know About ParaFormaldehyde: Cold Formalin
  • Hydrogen Peroxide to Reverse Potassium Permanganate Treatment
  • Formalin / Formaldehyde: How to use Formalin Malachite for Parasites
  • How to Use Salt in Fish Tanks and Ponds
  • Category: Anti Bacterial Medications
    • Potassium Permanganate III
    • Medicated Food: Best We Have This Year
    • KMnO4: Potassium Permanganate for Parasites and Bacteria in Fish
    • Chloramine-T For Bacterial Infections: Dr Spangenberg
    • Baytril / Enrofloxacin Injection: How to Use Baytril for Koi Ulcers
    • Melafix Pimafix Using Tea Tree Oil for Koi and Pond Fish Infections
    • Medicated Food for Bacterial Infections: Curing Bacterial Infections
    • Injections in Fish and Koi How to Inject A Fish or Koi
  • Category: Anti Fungal Medications
    • Formalin 2: Using Formalin in Tanks
  • Category: Anti Parasite Medications
    • Program Lufenuron for Large Parasites
    • Malathion: A Sucky Medicine for Flukes in Giant Ponds
    • Potassium Permanganate: KMnO4 Against Ciliates Parasites
    • Program : Lufenuron for Anchor Worm and Fish Lice
    • Supaverm: Fluke Treatment: Legacy Obsolete
    • Fish Lice: Argulus Parasite, How To Treat Fish Lice
    • Trichodina: How to Treat Trichodina in Koi, Pond and Aquarium Fish
    • ICH: Ichthyophthirius White Spot in Koi, Pond fish and Aquaria
    • Acriflavine: How to Use Acriflavine in Fish
    • Deworming Fish and Koi: How to Use Levamisole
    • Praziquantel: How to Treat Flukes or Trematodes and Worms in Fish
    • Dimilin: How to Kill Anchor Worm and Fish Lice
    • How to Treat Ich and Most Parasites with Clout
  • Category: Bath Medications
    • Potassium Permanganate for Ciliates
    • Lymphocystis
    • Oil of Cloves: How to Use Oil of Cloves to Anesthetize Fish
  • Category: Internal Medications
    • NuFlor Florfenicol Injection In Koi : Red Skin After Injection
  • Category: Topical Medications
• Category: All About Parasites
  • Parasites: My Fish Has Parasites? What Should I Do?
  • Hexamita: An Actual Pathogen of Koi, Tank Fish and Goldfish
  • Hexamita: How To Diagnose and Treat Hexamita in Fish
  • Chilodonella (“Killer Don”) How to Treat Chilodonella
  • What is Argulus? Fish Lice? How To Treat Fish Lice?
  • Category: Flukes / Trematodes
    • Flukes: Trematodes, Common, and Serious: Koi Ulcer Disease
  • Category: Lice and Anchorworms
  • Category: The Ciliates (Like Ich)
    • Costia (Ichthyobodo necatrix) How to Treat Costia
• Category: All About Pond Animals
  • What Kind of Fish Can I Keep in My Pond?
• Category: All About Surgery
  • Flipover in Goldfish: Surgery to Right and Sink Floaters
  • Oil of Cloves: How to Anesthetize or Euthanize a Fish or Koi
  • Koi and Pond Fish Surgery with Dr Erik Johnson
• Category: All About Viruses
  • Carp Edema Virus Disease (CEVD) (Koi Sleeping Sickness)
  • Koi Herpes Virus: Question and Answers
  • Survival of KHV and SVC outside the natural host
  • Koi Herpes Virus Real Life Timeline, Symptoms
  • Koi Herpes Virus: The video on Youtube
  • Koi Herpes Virus and Spring Viremia of Carp (SVC)
  • Category: Deadly Viruses
    • Koi Herpes Virus – Heat Treatment Experience – South Africa
    • SRAC document on Koi Herpes Virus by Dr Andrew Goodwin.
    • Control (Cure?) Of Koi Herpes Virus?
  • Category: Skin Viruses
• Category: All About Water Quality
  • Dechlorinator
  • Water Changes: Big Changes Not-So-Much
  • H2S: Hydrogen Sulfide Anaerobic Gas
  • Carbon Dioxide: CO2 In Ponds, Tanks and Aquaria
  • Oxygen: What Do You Need To Know About Aeration
  • Carbonates: How is pH Supported Against Crashing?
  • Video: Nitrite, A Huge Fish Killer in Water Quality in Aquariums and Ponds
  • Nitrite: Second Fish Killer from Nitrogen Cycle Control Diagnosis Symptoms
  • Video: Ammonia in The Nitrogen Cycle as a Fish Killer
  • Ammonia: What water qualty parameter kills more aquarium and pond fish?
  • The “Cycle” What is the Most Important Thing to Know About Ponds and Tanks?
  • What Should I Know As A Beginner in Fish and Koi?
  • Beneficial Bacteria: How to Add Good Bacteria in Fish Tanks
• Category: Environmental Conditions
  • Wintertime / Winterizing Koi
  • Ammonia II
  • Category: Physical Threats
  • Category: Temperature
  • Category: The Water
• Category: Filters & Filtration
  • Activated Charcoal / Carbon Filtration
  • Air Wash Bubble Bead Filters
  • Aquadyne Bead Filters
  • Nitrate II
  • BackWashing a Bubble Bead Filter: How to Clean A Bubble Bead Filter
  • Video (Old) Constant Water Replacement: Drip or Trickle Systems
• Category: Fish Help Questions
  • Ulcers & Raised Scales: Ulcer Disease In Fish
  • Gasping Fish: What to Do About Fish That Can’t Breathe
  • Finrot: My Fish Has Ragged Fins: What Is Finrot?
  • Color Changes: Why Does My Fish Change Color?
  • Flipover: What to do About Flipover Swimbladder Disease
  • Bloated Belly: What to Do About Dropsy?
  • Losses in a New Tank
• Category: Further Resources
  • Resources of Value to All
  • Category: Downloads
    • A Big Fat Pack of Fish Health Downloads
  • Category: Other Vets
  • Category: Reaching Doc
    • Fish Situation
    • Chilodonella
    • KHV video
    • Advice needed.
  • Category: Video Support
• Category: Lesions / Symptoms
  • Goldfish Cap or Wen Pimples
  • Scoliosis Or Bent Back In Koi and Goldfish
  • How to Manage Fresh Wounds in Fish Skin
  • Black Patches on Goldfish: Koi and Fish Blackening
  • Koi Bleeding From Gills After Handling
  • Koi That Can’t Close Its Mouth
  • Pop Eye (Popeye) in Koi, Aquarium and Pond Fish
  • Skin Cancer in Koi?
  • Scoliosis Broken Back Syndrome: My Fishes’ Back is Kinked!
  • Fish Poop: How To Recognize Changes in Koi and Fish Poop
  • Scoliosis or Broken Back in Fish and Koi
  • Dropsy: What Is Dropsy and What Causes It? How To Treat Dropsy?
• Category: Miscellaneous Topics
  • Color change, bleaching in Koi
  • Gorgeous, goldfish tank with live plants
  • The Perfect Gift of a Hand Crafted Writing Pen
  • Why Franchise / Corporate Veterinary Medicine Is a Cause for Concern With Customers
  • We Should Get Socialists to Commit Future Earnings
  • Optimum Aquarium
  • Some amazing Ranchu
  • Some Ranchus With Pros and Cons
  • Of Import to Everyone With a Pet Dog: Canine Endocardiosis from Dental Disease
  • Pizza in a Bag – HOW NOT TO FEED YOUR DOG.
  • Natural Biology of Altum Scalare
  • THC Delta 8 in dogs:
  • THC in Grams: That’s How “They” Discuss Delta 8 THC in Dogs
  • A Gift of Custom Burl Wood Ring from My Customer
  • Tiger Barb – Barbus Tetrazona – one of my favorite fish
  • Mantis Shrimp As Marine Pets in Thick Acrylic Tanks
  • Zoo Quality Acrylic Tanks and Enclosures That Will Surprise You
  • Great article on how to use salt in aquariums and ponds
  • A quick little note about Ned King, internet B0nus and 0pportunity Guy
  • PLANT AGGLUTININS
  • A very good community tank population
  • This is the BEST Filtration for Aquariums for Simplicity, Price and So Much More
  • Weatherhill
  • Unlimited Vet-authored Pet Fish & Dog / Cat Pet Health Information
  • Fish Situation
  • Fish Stress is caused by Fish Pathogens, Fish Parasites and FIsh Illness and Fish Infections are the natural outcome.
  • Where to find comprehensive and NOT A.I. generated errata on fish health issues:
  • Koi & Goldfish Infections
  • My Favorite Seminar of the Year by Dr Erik Johnson
  • Ich and Chilodonella Planted Pond
  • Sometimes Young People are Selfish
  • 2023 Happy Easter!
  • Why Can’t You Just Toss That Turtle or Koi?
  • Silkworms as Food For Koi
  • Rescuing American Bullfrogs from the Asian Market With Translator
  • Comprehensive Care & Feeding: North American Wood Turtle Care: Glyptemys insculpta
  • Some of the causes of ulcers on Koi
  • White’s Dumpy Tree Frog
  • Koi Ulcer Disease and More Treatments in “Koi Health and Disease” Textbook
  • SiteMap (All Koivet.com Content)
  • SavingSickFish.org About to Open
  • Fwd: Rescue fish won’t eat, fins have tiny holes
  • Euthanasia in Large Fish
  • Microbiome May Contain Replacements for Lost Mitochondrial Helper Cultures and Mediate Immune and Endocrine Functions including MS, IBD, CDI, and MD
  • Stuffing a Koi, Koi Taxidermy
  • SRAC Document RE: Goldfish & Koi For Your Reading Pleasure
  • Why NOT to use salt in your Koi Pond
  • Can You Get Bacterial Infections From Swimming With Koi?
  • Why Not To Culture The Outside of A Diseased Fish For Bacteria
  • Just Some Vocabulary Words In Case You Searched These In Koivet.com
  • Carbon Dioxide and Why It’s So Crazy-Important
  • Hydrogen Sulfide – H2S Accumulations Happen, But Only Rarely
  • Nitrates and What You Really Should Know About The Nitrates. They’re Toxic After All.
  • Nitrites – Where They Come From and What You Need To Know
  • Ammonia in Ponds For Fish and Koi – What You Should Know
  • The Cycle and Why It’s So Important
  • What You Should Know About pH In Ponds
  • Oxygen, Oxygenation and Temperature Considerations
  • Chlorine and Dechlorination – Big Deal?
  • A Few Words About Mud ponds
  • Swimming Pool Conversions – Some Thoughts
  • Container and Pre-Formed Pond Comments
  • Feeding Koi and Pond Fish
  • Microbe-Lift BSDT
  • Links
  • Veggie Filtration
  • Koi and Pond Orientation and Top Ten Koi and Pond Facts
  • Hand Taming Fish
  • How to Euthanize a Koi or Pond Fish: Euthanasia in Fish
  • How To Set Up a Beginner Community Tank Aquarium
  • The Perfect Community Tank? Fish For A Beginner Aquarium
  • Rotenone: How to Depopulate a Pond With Rotenone
  • Koivet.com Resources for Fish and Koi Diseases, Illness Symptoms, Diagnosis, Treatment and Cure
  • Who Are the Koi Health Pundits?
  • Category: About Ponds
    • Aquascape Ponds
    • Gravel In Ponds
    • Yellow Water and Tannins
    • Cat Litter for Koi Ponds and Water Quality?
    • Where to Build Your Pond?
  • Category: Links
    • Koivet Resources and Youtube Videos on Fish Diseases, Symptoms Treatments and Cures.
• Category: Nutrition
  • Koi and Pond Fish Cannibalism
  • How To Supplement Koi and Pond Fish Nutrition with Treats
  • Pellet Size and Koi Nutrition in Koi and Pond Fish Feeds
  • Immune Boosters in Koi and Pond Fish Food
  • Vitamin deficiencies from missing vitamins are comparatively rare
  • What Protein is Best In Koi and Pond Fish Food?
  • Protein in Koi Foods: What It Is and What It Does
  • Food Storage, Keeping Koi Food Fresh, Don’t Freeze Koi Food.
  • Paste Food: How To Make Paste Food for Koi
  • Category: Carbs
    • Carbs or Carbohydrates in Koi Feeds
  • Category: Fats
    • Fat Content in Koi and Pond Fish Food
  • Category: Feeding
    • Color Enhancers in Koi and Pond Fish Food
    • Where In The Pond To Feed Your Koi
    • Feeding Koi in Warm Water, Warm Water and Pond Fish Feeding
    • Feeding Fish in Cold Water
    • How to Feed Koi and Pond Fish At Different Temperatures.
    • Feeding Koi in Fancy Koi Museums
    • Feeding Fish in a Large Aquascape Pond
    • How To Know You’re Underfeeding Koi & Pond Fish
    • How to Avoid Overfeeding Koi
  • Category: Labels
    • Ingredient Splitting in Koi and Pond Fish Food
    • Assessing an Ingredients Label for Koi and Pond Fish Food
  • Category: Proteins
• Category: Physical Disease Conditions
• Category: Techniques Tricks & Gear
  • Incoming Koi Triage – Japanese Import
  • Shipping / Transporting Fish / Koi
  • Water Changes
  • Flooming: Superior Aeration and Oxygenation in Ponds and Tanks
• Category: The Videos
  • Chilodonella Movies at Youtube
  • The Anchor Worm Fish Lice Movie
• Category: Where to Begin With Fish Health