Health Guides
Penguin Tetra Health Problems
Thayeria boehlkei — 30 health guides
Suddenly AggressiveMonitor
Black SpotsMonitor
Bloated or SwollenUrgent
Bulging Eyes (Popeye)Urgent
Clamped FinsMonitor
Cloudy EyesUrgent
Coughing or SpittingMonitor
Curved or Curled BodyUrgent
Darting or FlashingMonitor
Fin RotUrgent
Floating at SurfaceUrgent
Fuzzy White GrowthUrgent
Gasping at SurfaceEmergency
Hiding ConstantlyMonitor
Jumping Out of TankEmergency
Lethargic or InactiveMonitor
Losing ColorMonitor
Missing ScalesMonitor
Excess Mucus CoatingUrgent
Not EatingMonitor
Pale or Faded ColorMonitor
Rapid BreathingUrgent
Red Streaks on BodyUrgent
Rubbing Against ObjectsMonitor
Sinking to BottomUrgent
Spots on FinsUrgent
Sunken BellyUrgent
Swimming SidewaysUrgent
Torn or Ragged FinsMonitor
White Spots (Ich)Urgent
Browse All Fish Diseases
See all 30 aquarium fish disease categories with diagnosis and treatment guides for hundreds of species.
Aquarium Fish Diseases Hub →