How to Identify Aquarium Fish Illness

9 Types of Disease

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01. Anchor Worms

Signs/Symptoms

Scratching against objects 

Inflammation on the body 

white-green or red worms visible  in wounds 

Redness on the body of fish

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Causes

Introduction of sick fish

Purchasing fish from unknown source

Lack of quarantine system before adding fish to the mother tank

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02. Body Flukes

Signs/Symptoms

Scratching against objects 

Mucus covering gill

Gills move rapidly

Hazy look to the skin 

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Causes

Overcrowded tank, poor water quality accelerates body flukes

Flukes outbreak occur at stressful condition

Lack of quarantine system before adding fish to the mother tank

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03. Clamped Fin

Signs/Symptoms

Fins are folded against the body

Very slow movement 

Listless & lethargic behavior of fish

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Causes

It is combination of some sickness of fish

Parasites or fungal infection

Bad water quality insists clamped fin of fish

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04. Dropsey

Signs/Symptoms

Loss of appetite

Bulging scales of the fish

Lack of energy & lethargy

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Swollen abdomen

Causes

Bacterial infection in kidney of the fish

Poor water quality & harmful microorganisms in the water

Fish affect the most that have low immune system

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Polycystic Kidney Disease is one of the main causes of dropsey

05. Fish ich

Signs/Symptoms

Loss of appetite

Bulging scales of the fish

Gasping at the water’s surface

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Swollen abdomen

Causes

External parasitic infection  of the fish's skin & gill

Stressful condition accelerates fish ich

Rapid temperature and pH fluctuations.

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06. Gill fluke

Signs/Symptoms

Infected fins, gills & skins

Rapid respiratory movements 

Gasping at the water’s surface

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Fins held against the body 

Causes

Overcrowded tank, poor water quality accelerates body flukes

Flukes outbreak occur at stressful condition

Lack of quarantine system before adding fish to the mother tank

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07. Fungus

Signs/Symptoms

looks like a white or grey growth in & on the skin 

Excess mucus presence

It continuously eats away the fish’s body 

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Develop a cotton wool like appearance 

Causes

A physical injury causes fungus in fish body

Fungus attack fish when it has other serious health problems

Substandard water quality, infected food also causes fungus

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08. Constipation

Signs/Symptoms

bloated abdomen of fish

production of stringy feces 7 hang from the fish

Fish can't swim normally due to constipation 

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Lack of fish waste is also a signs of constipation of fish

Causes

Improper diet (lack of fiber) is the main cause of constipation

Due to parasite infection to fish

Physical deformities is another cause of constipation problem of fish

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09. Pop-Eye

Signs/Symptoms

Protrusion of one or both eyeballs 

Stretching of the eye socket 

Cloudiness of the eyebal 

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Discoloration or blood in the eyeball 

Causes

Due to a bacterial infection pop eye disease occur

Vitamin A deficiency is another cause of pop-eye

Poor water quality accelerates pop eye disease of fish

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To Know How to Sterilize Tank After Fish Death Check The Link Below