Sulawesi Fan Shrimp - Caridina longidigita Shrimp Profile & Care Guide
Introduction
Experience the beauty and uniqueness of the Sulawesi Fan Shrimp (Caridina longidigita), a remarkable freshwater species that will undoubtedly make an impressive addition to your aquarium. These shrimp are highly sought after for their striking subtle colours and patterns, but their care requires a particular set of stable water parameters, making them best suited for experienced aquarists. Overcoming the challenge of finding compatible fish that will not threaten these shrimps can be achieved by opting for Rabbit Snails, a fascinating live-bearing species that shares the same habitat in ancient lakes. These highly social non-aggressive shrimps can thrive in colonies of six or more individuals, adding colour and diversity to your aquatic setup.
To provide optimal conditions for these shrimps to flourish, a combination of crushed coral and coral sand should be mixed with the regular substrate in the aquarium. It is also highly recommended to use RO water and specialist freshwater minerals to achieve the desired water hardness. Careful water changes are necessary, as the Sulawesi Fan Shrimp is highly sensitive to fluctuations in water chemistry. Maintaining a steady water temperature between 27-29 °C is crucial, and the tank must not drop below 27 °C, as these shrimps cannot thrive in lower temperatures.
The key to creating the perfect environment for these shrimps is aqua-scaping the tank with plenty of rocky structures and crevices. While you may add some aquatic plants, overplanting should be avoided. The Sulawesi Fan Shrimp is a mesmerizing creature with a unique appearance that sets it apart from other Shrimps. These remarkable creatures have transparent bodies with a light pinkish-brown hue adorned with scattered bright white spots and several prominent white stripes. What makes the Sulawesi Fan Shrimp genuinely fascinating, however, is the unusually long setae that make their chelae resemble brush-like fans. This distinctive feature is a wonder to behold and adds to the Shrimp's overall allure.
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Photos
Sexual Dimorphism
It is relatively straightforward to differentiate between a male and female Sulawesi Fan Shrimp. Males are generally smaller and more slender than females, and their colouration is often more muted.
Additionally, males have a characteristic modified appendage called the gonopod, which is used for mating and can be easily distinguished from female appendages.
Females, on the other hand, are typically larger and more robust than males and exhibit more prominent colouration, especially during the breeding season.
Quick Facts
| Scientific Name | Caridina longidigita |
|---|---|
| Year Described | 1902 |
| Other Names | Pink Boxer Shrimp |
| Kingdom | Animalia |
| Classification | Malacostraca |
| Order | Decapoda |
| Family | Atyidae |
| Genus | Caridina |
| Origins | Indonesia |
| Approx Max Size | 2.5 cm |
| Temperament | Peaceful |
| Aquarium Level | All Levels |
| Difficulty | Intermediate - Advanced |
| Shoaling | No |
| Best kept as | Groups 6+ |
| Diet & Feeding | Omnivore |
| Reproduction | Ovoviviparous |
| Average Lifespan | Up to 2 Years |
Water Parameters
| Water Type | Freshwater |
|---|---|
| pH | 7.0 - 8.5 |
| GH | 4 - 8 |
| KH | 4 - 6 |
| TDS | 50 - 150 |
| ℉ | 75 - 85 |
|---|---|
| ℃ | 24 - 29 |
Natural Habitat
The Sulawesi Fan Shrimp hails from the stunning Sulawesi island in Indonesia. These shrimps are commonly found in Lake Poso, in the southwestern region of Sulawesi, where they thrive in clear and clean waters with stable water parameters.
These shrimps are most commonly found in fast-moving waters with rocky substrates, where they can forage on biofilm and algae and enjoy the benefits of good water flow.
In their natural habitat, these shrimps coexist amongst various aquatic plants, providing them with a source of food and shelter. However, they also seek refuge in crevices and rocky overhangs, adding an element of mystery and intrigue to their behaviour.
Breeding
Breeding Sulawesi Fan Shrimp is an exciting experience for aquarists seeking to expand their colony. These shrimps are known for their relative prolificacy and can produce readily in the right conditions.
Female shrimps can carry up to 30 eggs, which will hatch into miniature versions of the adult shrimp after around 30 days. It is crucial to note that breeding these shrimps requires more specialized care, including maintaining specific water parameters and providing suitable breeding sites.
With the right conditions in place, however, these shrimps will thrive and reproduce, adding to the beauty and diversity of your aquatic setup. If you are looking to breed Sulawesi Fan Shrimp, it is essential to do your research and seek guidance from experienced aquarists to ensure the best possible outcome. However, with the proper care and attention, the process of breeding these shrimps can be a rewarding and fulfilling endeavour.
Diet & Feeding
The diet of Sulawesi Fan Shrimp is an essential aspect of their overall care and well-being, and providing them with the proper nutrition is vital to ensuring their health and longevity. These freshwater Shrimp are omnivores and will eat various foods, including algae, detritus, and tiny organisms such as insect larvae and small crustaceans. Therefore, feeding them a well-rounded diet that includes plant and animal matter is crucial, providing them with the necessary nutrients to thrive.
Some aquarists also provide specialized shrimp food, which can be a great supplement to their diet. Watching these shrimps feed is a treat in itself, as they use their small claws to sift through the substrate and pick out small food particles. Providing a varied and nutritious diet will not only promote healthy growth but will also bring out the vibrancy and natural behaviours of these fascinating creatures.
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Published: 23 Feb 2023
Last Updated: 22 Jul 2023