Brooklynella (<i>Brooklynella hostilis</i>)


Mucous comes of body in pieces
Large sloughs of mucous come away from the body of the fish.
Gills have excess mucous
Obvious slimy mucous is oozing from the gills of the fish.
Haemorrhages - skin
Bloody haemorrhages are apparent over several parts of the skin.
Respiration rapid
Fish is breathing very fast, much faster than is normal.
Listless and lethargic
Fish moves very lazily in water, much less than normal, lacks interest.
Salinity full salt water
Normal full salinity salt water.


Protozoan Marine parasite, viz Brooklynella hostilis.


Causes major losses in many marine exotic fish imports. Is very hard to correctly diagnose. Not easy to treat but perseverance will usually overcome the infestation.


Please login to see the treatment information.


Quarantining all new fish, for at least 2 weeks is the best way to prevent spread of this( and other) infestations.


There are 7 disease pictures available. Please log in to see them.

Login has failed
Login has failed
Don't have an account? Register here


There are 1 disease videos available. Please log in to see them. Protection Status