Tang Behavior & Training

Browse 42 guides from veterinary sources about tang behavior & training.

Bubble Nest Behavior in Fish: What It Means and When It’s Normal

Learn why fish make bubble nests, when it is normal breeding behavior, and which warning signs mean it is time to...

Can Fish Get Bored? Signs of Understimulation in Aquarium Fish

Can aquarium fish get bored? Learn the signs of understimulation, how to enrich a tank safely, and when behavior...

Cichlid Territorial Behavior: Why It Happens and How to Manage It

Learn why cichlids become territorial, what aggression looks like, and how tank setup, stocking, and your vet can help...

Clamped Fins in Fish: What This Body Language Can Mean

Clamped fins in fish can signal stress, poor water quality, parasites, or illness. Learn what to watch for and when to...

Do Fish Care for Their Eggs or Babies? Parental Fish Behavior Explained

Do fish care for eggs or fry? Learn which fish guard nests, mouthbrood, or leave eggs alone, plus what aquarium pet...

Do Fish Play? Curious and Interactive Fish Behaviors Explained

Do fish play? Learn how curiosity, exploration, and enrichment show up in tangs and other fish, plus signs playful...

Do Fish Recognize Their Owners?

Can fish recognize their pet parent? Learn what research shows, what tangs may notice, and when behavior changes mean...

Do Fish Sleep? Normal Resting Behavior in Aquarium Fish

Do fish sleep? Learn normal aquarium fish resting behavior, nighttime habits, and warning signs that mean your fish may...

Erratic Swimming in Fish: Causes, Stress, and When to Worry

Erratic swimming in fish can signal stress, poor water quality, buoyancy trouble, or disease. Learn causes, red flags,...

Feeding Aggression in Fish: Why It Happens and How to Reduce It

Learn why fish show feeding aggression, what triggers it, and practical ways to reduce chasing, nipping, and stress at...

Fish Aggression Toward Tank Mates: Causes, Signs, and How to Stop It

Fish bullying in the tank can lead to stress, injury, and disease. Learn common causes, warning signs, and practical...

Fish Body Language: How to Read Common Aquarium Fish Behaviors

Learn what common aquarium fish behaviors mean, from hiding and flashing to chasing and gasping, and when body language...

Fish Bullying in a Community Tank: How to Identify and Prevent It

Learn how to spot fish bullying early, reduce stress in a community tank, and know when to separate fish or call your...

Fish Enrichment Ideas: How to Keep Aquarium Fish Mentally Stimulated

Discover safe fish enrichment ideas, from hiding spots to feeding puzzles, plus signs of stress and when to ask your...

Fish Glass Surfing: Why Fish Swim Up and Down the Tank Walls

Fish glass surfing can signal stress, reflections, crowding, or poor water quality. Learn common causes, red flags, and...

Goldfish Digging, Gulping, and Sifting: Normal Goldfish Behavior Explained

Goldfish often dig, sift substrate, and gulp food as normal foraging behavior. Learn what is typical, what is not, and...

How to Bond With Your Fish and Build Trust Without Causing Stress

Learn low-stress ways to bond with your tang, build trust through routine and feeding, and spot signs your fish needs...

How to Introduce New Fish to an Aquarium Without Causing Stress

Learn how to quarantine, acclimate, and add new fish with less stress, less aggression, and lower disease risk in...

New Fish Acclimation Stress: What Behavior Is Normal?

Learn which new fish behaviors are normal during acclimation, when stress becomes dangerous, and when to contact your...

Normal Fry Behavior: What Baby Fish Owners Should Expect

Learn what normal baby fish fry behavior looks like, when hiding or weak swimming is expected, and when changes mean it...

Senior Fish Behavior Changes: What’s Normal With Age?

Learn which behavior changes may be normal in senior tangs, which signs suggest illness, and when your vet should check...

Spawning Behavior in Fish: Common Signs Owners Notice

Learn the common signs of spawning behavior in pet fish, what is normal, when to worry, and when to contact your vet...

Stress Signs in Fish: How to Tell if Your Fish Is Stressed

Learn the common stress signs in fish, what water and behavior changes mean, and when to contact your vet for help...

Swim Bladder Problems in Fish: Behavior Signs Owners Notice First

Learn the first behavior signs of swim bladder problems in fish, what may cause buoyancy changes, and when to contact...

Why Are My Fish Chasing Each Other? Courtship vs Aggression

Fish chasing can be normal courtship or a sign of aggression. Learn how to tell the difference, when to separate fish,...

Why Are My Fish Locking Mouths? Fighting or Mating Behavior?

Fish locking mouths is usually territorial fighting, not romance. Learn how to tell aggression from breeding behavior...

Why Did My Fish Become Territorial After Tank Changes?

Tank changes can reset territory, stress fish, and trigger chasing. Learn why it happens, when to worry, and what to...

Why Did My Fish Change Color? Stress, Mood, or Illness?

Fish color changes can be normal or a warning sign. Learn when fading, darkening, spots, or stress colors mean it is...

Why Do Bettas Flare? Normal Display or a Sign of Stress?

Why do bettas flare? Learn when gill flaring is normal display behavior, when it signals stress, and when to contact...

Why Do Fish Jump Out of Tanks? Behavior Causes and Prevention

Fish jump from tanks due to stress, poor water quality, aggression, or startle responses. Learn common causes,...

Why Does My Fish Follow Me or My Finger?

Fish often follow you or your finger because they associate movement with food, curiosity, or territory. Learn when it...

Why Does My Fish Panic When the Lights Turn On?

Fish may panic when lights switch on suddenly due to startle stress, poor tank setup, or water quality problems. Learn...

Why Does My Pleco Hide All Day? Normal Nocturnal Fish Behavior

Plecos often hide by day and forage at night. Learn what is normal, when hiding may signal stress, and when to contact...

Why Is My Fish Acting Scared After Tank Cleaning?

Fish acting scared after tank cleaning? Learn common causes like stress, water changes, and territory disruption, plus...

Why Is My Fish Gasping at the Surface?

Fish gasping at the surface often points to low oxygen, ammonia, nitrite, or gill disease. Learn urgent causes, first...

Why Is My Fish Head Down or Tail Up?

Fish floating head down or tail up can signal buoyancy trouble, water quality problems, or illness. Learn causes,...

Why Is My Fish Hiding All the Time?

Fish hiding all the time can signal stress, bullying, poor water quality, or illness. Learn what to watch for and when...

Why Is My Fish Lying on the Bottom of the Tank?

Fish resting on the tank bottom can signal stress, poor water quality, low oxygen, or disease. Learn what to check...

Why Is My Fish Not Eating? Behavioral and Medical Reasons

Fish not eating? Learn common behavioral and medical causes in tangs and other aquarium fish, when to worry, and what...

Why Is My Fish Rubbing on Objects? Flashing Behavior Explained

Fish flashing or rubbing on objects can signal parasites, poor water quality, or irritation. Learn common causes,...

Why Is My Fish Shimming? Stress and Health Causes of Shaking Behavior

Fish shimmying can signal stress, poor water quality, parasites, or neurologic disease. Learn common causes and when to...

Why Is My Schooling Fish Staying Alone?

A schooling fish that isolates may be stressed, bullied, or sick. Learn common causes, warning signs, and when to...