Lumbriculus variegatus (aka Blackworm, California Blackworm) is a species of annelid worm used by aquarium keepers from far and wide as live fish food. The name Blackworm actually covers three species of nearly identical worms that were originally thought to be one species. It can be seen sticking out of the substrate, waving in the current. Two photoreceptors allow it to detect the presence of potential predators. Continue reading “Blackworm – Species Profile”
Dario dario (aka Scarlet Badis, Scarlet Gem Badis) are one of my favorite species of freshwater fish. They are ideally suited to low-tech nano tanks. The males have a beautiful coloration and pattern, primarily red with blue vertical stripes. Submissive males can have drab colors, and females are shades of grey. They are a fascinating, shy little micropredator.
Care Level: Moderate (diet considerations)
Preferred Water: pH 6.5 to 7.0, soft to moderately hard water
Ideal Temperature: 65°F to 78°F (18°C – 26°C)
Maximum Size : 0.5″ to 0.7″ (1.3 cm to 1.8 cm)
Average Lifespan: 4 to 6 years Continue reading “Scarlet Badis (Dario dario) – Species Profile”
Ghost Shrimp (aka Glass Shrimp) are a group of shrimp species sold in pet shops as feeders for large fish. They are easily recognized by their nearly transparent shells and flesh. They have a tendency to be more aggressive than the colorful Cherry Shrimp, and grow to be much bigger. Continue reading “Ghost Shrimp – Species Profile”