Bigmouth Sleeper
NameBigmouth Sleeper
Scientific NameGobiomorus dormitor
Common NamesBigmouth Sleeper, Marbled Sleeper, Guavina
FamilyEleotridae
OriginCentral America, South America, Caribbean, Florida
Temperamentsemi-aggressive
Dietcarnivore
Care Levelintermediate
Minimum Tank Size (Gallons)125
Max Size (Inches)24
Water TypeFreshwater, Brackish
Temperature Range (°F)72-82
pH Range6.5-8.0
Compatible SpeciesLarge Cichlids, Large Catfish, Other large Gobies/Sleepers
Description
The Bigmouth Sleeper is a large, predatory fish known for its broad mouth and cryptic coloration, allowing it to blend seamlessly with its sandy or rocky riverbed habitat. It is a euryhaline species, found in freshwater, brackish, and sometimes marine environments across Central and South America. This ambush predator requires a spacious aquarium with plenty of hiding spots and is best kept with similarly sized, robust tankmates.
