Endler's Livebearer Jet Black is a variety of Endler's Livebearer known for its striking black coloration. Here's some information about this fish:

1. Appearance: Endler's Livebearer Jet Black has a predominantly black coloration, with males often exhibiting a jet black body and fins. Females may have a lighter coloration with black accents. The black coloration contrasts sharply with any other colors present in the tank, making them stand out.

2. Size: Endler's Livebearer Jet Black is a small fish, usually reaching lengths of about 1 to 1.5 inches (2.5 to 3.8 cm) when fully grown.

3. Behavior: Endler's Livebearer Jet Black is peaceful and social, making it an excellent addition to community tanks. They are active swimmers and enjoy exploring their environment. They can be kept in groups without significant aggression issues.

4. Tank Requirements: Endler's Livebearer Jet Black is adaptable and can thrive in various tank setups. They prefer a temperature range of 72-82°F (22-28°C) and a pH level between 6.5 and 8.0. Providing a well-planted aquarium with plenty of hiding spots and open swimming areas is ideal. Regular maintenance and good water quality are essential for their health.

5. Diet: Endler's Livebearer Jet Black is an omnivore and will accept a wide range of foods, including high-quality flakes, pellets, frozen foods, and live foods such as brine shrimp and bloodworms. Offering a varied diet ensures their nutritional needs are met and helps maintain their coloration.

6. Breeding: Endler's Livebearer Jet Black is prolific breeders, like other Endler's Livebearer varieties. They are livebearers, meaning females give birth to free-swimming fry instead of laying eggs. Breeding them in captivity is relatively straightforward, and they can produce offspring regularly.

7. Tankmates: Endler's Livebearer Jet Black is peaceful and can be kept with other peaceful fish species that share similar water parameter requirements. However, it's best to avoid keeping them with larger or aggressive fish that may prey on them or compete for resources.

8. Maintenance: Regular water changes, proper filtration, and monitoring water parameters are essential for keeping Endler's Livebearer Jet Black healthy. They are relatively hardy fish but still require proper care to thrive.