The Texas Cichlid (Herichthys cyanoguttatus), also known as the Rio Grande Cichlid, is the only cichlid species native to the United States. It is found primarily in the Rio Grande drainage of southern Texas and northeastern Mexico. Brightly colored and known for their territorial behavior, these cichlids are also popular in the aquarium trade. Males are typically more colorful with longer fins and often develop a nuchal hump, while females may have black spots on their dorsal fins.
Scientific Name
Herichthys cyanoguttatus
Habitat
Freshwater rivers and streams, especially Rio Grande and nearby drainages
Conservation
Not endangered; stable populations in native and introduced habitats
Lifespan
10–13 years in captivity
Fun Fact
It is the only cichlid species native to the United States and is named for its bright blue iridescent spots.
Diet
Omnivorous; consumes insects, crustaceans, algae, and plant matter
Average Size
Up to 30 cm (12 inches)
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
Is the Texas Cichlid aggressive?
Yes, they are territorial and can be aggressive, especially during breeding.
Can Texas Cichlids live with other fish?
Only with similarly sized, robust fish; not ideal for small community tanks.
Do Texas Cichlid males and females look different?
Males are brighter, larger, and often have a forehead hump; females may have dorsal fin spots.
Where is Texas Cichlid found in the wild?
In the Rio Grande river drainage, Texas, and northeastern Mexico
Is Texas Cichlid good for aquariums?
Yes, for experienced aquarists with proper space and tank mates.