Simpsonichthys constanciae PAIR 1m/1f South American Annual Killifish 3/4”-1” 
Scientific name isOphthalmolebias constanciae for Sale

Ophthalmolebias constanciae is one of the most striking South American annual killifish available to aquarium hobbyists. Known for their impressive size, vibrant coloration, and fascinating life cycle, these rare killifish are highly sought after by collectors and breeders alike. At our fish room, the health and welfare of every fish comes first. We carefully breed and raise our fish to ensure strong genetics, excellent health, and a smooth transition to their new homes.

Male Ophthalmolebias constanciae develop beautiful iridescent blue coloration with intricate patterning that makes them a standout species in any killifish collection. Females display more subtle colors but possess the same fascinating behaviors that make annual killifish such rewarding fish to keep and breed.

Native to seasonal wetlands and temporary pools in South America,Ophthalmolebias constanciae has evolved a unique annual life cycle. In the wild, eggs survive the dry season buried in substrate and hatch when rains return. This remarkable adaptation makes them one of the most interesting fish species available to dedicated aquarists.

Why Buy OurOphthalmolebias constanciae ?

• Healthy captive-bred stock
• Carefully selected breeding pairs
• Raised with a focus on fish welfare and long-term health
• Strong genetics and vibrant coloration
• Professionally packed and shipped
• Excellent customer support from an experienced breeder

Unlike mass-produced fish from large commercial facilities, our fish are raised with individual attention and care. We believe fish are pets deserving of proper husbandry, nutrition, and ethical breeding practices.

Care Requirements

Scientific Name:Ophthalmolebias constanciae

Common Name: Constancia’s Killifish

Origin: South America

Temperament: Peaceful to moderately aggressive

Adult Size: Up to 4-5 inches

Temperature: 68-78°F

pH: 6.0-7.5

Diet: Live foods, frozen foods, high-quality protein-rich prepared foods

A species-only aquarium is often recommended for the best results. Males can be territorial, especially during breeding periods. Providing plenty of space and visual barriers can help reduce aggression.

Breeding Ophthalmolebias constanciae

Breeding Ophthalmolebias constanciae  is one of the most rewarding aspects of keeping this species. As an annual killifish, they deposit eggs in peat moss or similar spawning media. The eggs require a period of incubation before hatching, replicating the natural seasonal cycle experienced in the wild.

Their unique breeding behavior and stunning appearance make them a favorite among experienced killifish enthusiasts and collectors looking to expand their breeding projects.

Order Ophthalmolebias constanciae  Today

Whether you are an experienced killifish keeper, a breeder searching for quality bloodlines, or a collector looking for a rare and beautiful species, our captive-bred  Ophthalmolebias constanciae are an excellent choice. We take pride in producing healthy fish and providing hobbyists with exceptional specimens that showcase the beauty and diversity of South American annual killifish.