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fishes | Family Synanceiidae | Family Scorpaenidae | Family Batrachoididae | Family Serranidae
Small mudskippers
How to tell them apart?
updated Nov 13

Confusing mudskippers Several different kinds of small mudskippers look very similar. Here's more on how to tell them apart.

   

     

Toadfish
Family Batrachoididae
Scorpionfish
Parascorpaena picta
Family Scorpaenidae
Stonefish
Synanceia horrida
Family Synanceiidae
     
Not dangerous
But has prickly spines that poke
Dangerous
Toxic stings are painful
Highly dangerous
Toxic stings can be fatal.
Spiny dorsal fins.
Spiny dorsal fins.
Stout dorsal spines.
Medium eyes not protruding.
Large protruding eyes.
A bony bridge between small eyes.
Mouth horizontal. Mouth horizontal. Downturned mouth.

False scorpionfish
Centrogenys vaigiensis
Family Serranidae
Longspined scorpionfish
Paracentropogon longispinis
Family Scorpaenidae
False stonefish
Scorpaenopsis diabolus
Family Scorpaenidae
     
Not dangerous.
Has prickles that may wound but no toxins.
Dangerous
Toxic stings are painful
Dangerous
Toxic stings are painful
Dorsal fin begins well behind the eyes. Dorsal fin begins above the eyes. Small eyes, mouth horizontal.
No spines next to the mouth.
A pair of spines next to the mouth.
 
Nose flaps. No nose flaps.  

More comparisons


Painted scorpionfish (lower) next to
False scorpionfish (upper).


The Pufferfish sometimes lies quietly among
stones. It is not venomous (does not sting),
but is poisonous (will kill if you eat it).

The Frogfish is harmless.
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