Sulawesi Red Line Shrimp - Caridina striata Shrimp Profile & Care Guide
Introduction
The Sulawesi Red Line Shrimp (Caridina striata) is a visually captivating and intriguing species, making it an excellent addition to a well-maintained aquarium. When provided with the right care and attention, these shrimps can thrive and even breed in captivity, bringing vibrant colour and diversity to any aquatic setup. Their striking appearance, boasting an attractive colour and pattern, surprises many enthusiasts, given that they are a freshwater species. However, to ensure their thriving state, these shrimps require a unique set of stable water parameters, which are not common in typical aquarium setups. As a result, they are best suited for experienced aquarists who can provide the specialized conditions they need.
In choosing suitable tankmates, finding fish that are compatible in size and pose no threat to the Shrimp or their shrimplets can be a challenge. A highly recommended tankmate option would be Rabbit Snails, as they are an intriguing live-bearing species that share the same habitat in the ancient lakes. For optimal social dynamics, it is advisable to keep colonies of six or more individuals, ideally ten or more. These gregarious and non-aggressive shrimps are quite bold and can often be observed foraging on rocks and other bio-film-covered surfaces, using their bright white chelipeds to pick at the substrates. They tend to spend a significant amount of time in view, providing a delightful sight for aquarium enthusiasts.
Maintaining the proper water conditions for Sulawesi Red Line Shrimp is of utmost importance. A combination of crushed coral and coral sand can be mixed with the regular substrate to maintain a high pH level in the aquarium. Some aquarists prefer to keep a small bag of aragonite in the filtration system to achieve this as well. Additionally, using reverse osmosis (RO) water and specialist freshwater minerals is highly recommended to attain the desired water hardness. Care must be taken during water changes, as these shrimps are highly sensitive to fluctuations in water chemistry. It is advisable to change only around 10 per cent of the water regularly, and some aquarists prefer to prepare fresh water in a bucket containing aragonite, a heater, and gentle aeration before partial water changes.
To ensure a stable environment for the Sulawesi Red Line Shrimp, it is crucial to maintain a constant water temperature between 27-29 °C, avoiding drops below 27 °C, as these shrimps cannot thrive in lower temperatures. Aquascaping the tank with an abundance of rocky structures and crevices is essential, as these shrimps prefer hard substrates. While some aquatic plants can be added, overplanting should be avoided to accommodate their preference for rocky environments.
The Sulawesi Red Line Shrimp displays a distinct appearance, characterized by a slender, elongated body shape adorned with striking red colouration and horizontal white stripes running along their length. The stripes are more pronounced in young shrimps but become less distinct as they age. Furthermore, they feature a limited number of white spots on their bodies. Apart from their bright white chelipeds, the appendages of the Sulawesi Red Line Shrimp are transparent with a reddish hue, though their colouration may fade when experiencing stress.
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Photos
Sexual Dimorphism
The primary difference between male and female Sulawesi Red Line Shrimp is the size and shape of the uropods, which are the appendages on the underside of the tail. In males, the uropods are elongated and pointed, with a narrow base, while the females have shorter and broader uropods with a wider base.
In addition, the second and third segments of the male's antennae are also longer and more slender compared to the female's antennae. Additionally, mature females may have a slightly rounder and more robust appearance due to the carrying of eggs; however, this is not always a reliable method of sexing, as male and female Shrimp can have similar body shapes.
Quick Facts
| Scientific Name | Caridina striata |
|---|---|
| Year Described | 2009 |
| Other Names | Matano Red Line Shrimp, Red Line Bee Shrimp, Red Line Shrimp, Red Stripe 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 |
| ℉ | 80 - 84 |
|---|---|
| ℃ | 27 - 29 |
Natural Habitat
Sulawesi Red Line Shrimp are native to the Malili Lake System in the South Sulawesi region of Indonesia. They can also be found throughout Lake Towuti, with a smaller population in Lake Mahalona. Typically, these shrimp inhabit the sunlit shallows, occupying the gaps between small rocks and pebbles. However, as the waters get deeper, they tend to settle in larger rock formations.
Breeding
In terms of breeding, Sulawesi Red Line Shrimp are a relatively prolific species and will breed readily in the right conditions. Females can carry up to 30 eggs, which hatch into miniature versions of the adult shrimp after around 30 days. However, it is important to note that breeding may require more specialised care, including specific water parameters and the provision of suitable breeding sites.
Diet & Feeding
Sulawesi Red Line Shrimp is an omnivorous species, meaning they will consume both plant and animal matter. In the wild, their diet mainly consists of biofilm, algae, and small aquatic invertebrates.
In the aquarium, they can be fed various commercial foods such as shrimp pellets and algae wafers, as well as blanched vegetables such as zucchini or spinach, and live or frozen foods like brine shrimp or daphnia. It's essential to provide a balanced and varied diet to maintain their health and well-being.
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Published: 21 Feb 2023
Last Updated: 22 Jul 2023