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FishDeals.com | Aquarium Fish Disease Identification, Diagnosis & Treatment
 
Fin Rot (Tailrot) - Identification & Treatment

Major Sick Fish Diseases:

Much has been written on the topic of stress & disease, below is summary to help guide you throughout Fin Rot prevention and identification. Please feel free to send any comments or suggestions to Ask An Expert.

Name: FIN ROT
Symptoms:
  • Fins turn whitish and die back
  • Jagged Fins
  • Fin look like they were ripped off
  • Fish is not eating

  • Symptoms of Stress & Disease
  • Fin Rot General Description
    Not to hard to cure. Fish usually will live after treatments. Most common in the fancy varieties of goldfish, finrot can occur as a result of an injury, as a secondary infection once the fish has been weakened by another disease, or in some cases, as a primary infection (bacterial).

    Finrot can be the result of a bacterial infection (which causes a more ragged rotting), or as a fungal infection (which rots the tail more evenly and is more likely to produce a white 'edge'). Sometimes, both types of infection are seen together. Infection is commonly brought on by bad water conditions, injury, poor diet, or outwintering fancy goldfish (who should live in warmer temperatures).

    Finrot starts at the edge of the fins, and destroys more and more tissue until it reaches the fin base. If it does reach the fin base, the fish will never be able to regenerate the lost tissue. At this point, the disease may attack the fish's body directly.
    Fin Rot Treatments
    Aquarium Pharmaceuticals Melafix heals open wounds & abrasions, treats fin and tail rot, eye cloud, mouth fungus and promotes regrowth of damaged fin rays & tissue. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants. For use in fresh or salt water.
    $8.99
    Fungus: For fish large enough to handle, catch the fish, and dab malachite green directly on the fungus with a Q-tip. This is extremely effective. Repeat treatments may be necessary.

    Bacterial: Antibiotic treatment in a quarantine tank. This is stressful for the fish, and doesn't always work, so be sure of what you are doing before you attempt it. If the fish is still eating, the best bet is an antibiotic food. Tetra makes one that works well -- just buy the one for bacterial diseases and follow the directions on the can.
    Fin Rot Prevention
    With very few exceptions, virtually all cases are precipitated by stress, fear or poor environmental conditions.
    Image Gallery of Fin Rot
    No Pictures have been Submitted, please send one, Ask An Expert
    Fin Rot Frequently Asked Questions

    Have a Question, please post one here, Ask An Expert

    #ImageDisease TitleTop 3 Symptoms
    1. Ammonia Poisoning
  • Red streaking on the fins or body.
  • Purple or red gills.
  • Fins are torn & jagged.
  • 2. Anchor Worms
  • Tiny white-green or red worms in wounds.
  • Frequent rubbing or "flashing".
  • Ulcers may appear.
  • 3. Black Spot
  • Small black speckles on body.
  • Frequent rubbing or "flashing".
  • Small black smudges on fish.
  • 4. Cataracts
  • White or grey "foggy" eyes.
  • Eye looks like it has a slime coat.
  • Tendency to bump into things.
  • 5. Cotton Mouth
  • White "Cotton like" fungus on the mouth.
  • Lethargy and loss of appetite.
  • White spots on mouth, scales, and fins.
  • 6. Curved Spine (Fish TB)
  • Curved or Crooked Spine.
  • Lesions on the body.
  • loss of scales.
  • 7. Dropsy
  • Huge, Fat, Bloated Belly.
  • Lethargy and loss of appetite.
  • Scales almost popping off.
  • 8. Fin Rot
  • Fins turn Jagged or whitish and die back.
  • Fins look like they were ripped off.
  • Fish is not eating.
  • 9. Hole in the Head
  • Hole in the head.
  • Small sore on head.
  • Lethargy and loss of appetite.
  • 10. Ichthyophthirius
    (white spot or ick)
  • Small white "salt-like" pimples on fins & body.
  • Lethargy and loss of appetite.
  • Frequent rubbing or "flashing".
  • 11. Neon Tetra Disease
  • Restlessness.
  • Whitened areas deep into the fishes' flesh.
  • Spine may become curved.
  • 12. New Tank Syndrome
  • Sudden Death.
  • Cloudy Water.
  • Unexplained Death.
  • 13. Oodinium (velvet)
  • Fine grey-gold to whitish 'dust' on the body.
  • Very rapid gill movement.
  • Scratching or flashing.
  • 14. Parasites (External)
  • Large ugly sores on body.
  • Skin looks grey in patches.
  • Fish swim aimlessly.
  • 15. Planaria
    (white hairlike worms)
  • Small White Hairlike Worms.
  • Tiny, Wiggley Worms often found in the substrate.
  • 16. Pop Eye
  • One or both eyes protrude from the head in an unusual fashion.
  • 17. Skin / Gill Flukes
  • Fish gasps for air at the water's surface
  • Gills open and close rapidly
  • Gills are covered in mucus
  • 18. Swim Bladder Disease
  • Erratic Swimming Position
  • Loss of equilibrium
  • Fish will be unable to maintain buoyancy
  • 19. Vitamin Deficiencies
  • Scoliosis (Curved Spine)
  • Reduced Growth
  • Anorexia (Lack or Loss of Appetite)
  • View Symptoms per Vitamin
  • References/Further Reading

    The Manual of Fish Health
    Dr. Chris Andrews, Adrian Exell and Dr. Neville Carrington.
    New Jersey: Tetra Press, 1988

    Handbook of Fish Diseases
    Dieter Untergasser
    Translation by Howard H. Hirschhorn
    T.F.H. Publications, Inc., 1989


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