Isthmian Rivulus
NameIsthmian Rivulus
Scientific NameKryptolebias isthmensis
Common NamesIsthmian Rivulus, Isthmian Killifish
FamilyRivulidae
OriginCentral America, Panama, Costa Rica, Nicaragua
Temperamentpeaceful
Dietcarnivore
Care Levelintermediate
Minimum Tank Size (Gallons)10
Max Size (Inches)2.5
Water TypeFreshwater
Temperature Range (°F)72-78
pH Range6.0-7.5
Compatible SpeciesSpecies-only tank, Small peaceful tetras, Dwarf rasboras, Otocinclus catfish
Description
The Isthmian Rivulus is a small, elongated killifish native to Central America, known for its adaptability and ability to tolerate varying water conditions. It displays a brownish-gold body with reddish spots and a rounded caudal fin. This species is a peaceful, opportunistic carnivore that preys on small invertebrates.
