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Bumblebee shrimp

Caridina cf. breviata "Bumblebee"

The shrimp with bumblebee stripes: alternating white and black/brown bands on the body — unmistakable. A specialized Caridina requiring soft, acidic water with active buffering substrate — the opposite of Neocaridina. Sensitive to fluctuations: active substrate + remineralized RO water mandatory. Can crossbreed with other Caridina cantonensis — species-only tank for purity. Biofilm as primary diet. Delicate molting: 'white ring of death' = parameter shock.

Taxonomy
Class:Malacostraca
Order:Decapoda
Family:Atyidae
Genus:Caridina
Species:Caridina cf. breviata "Bumblebee"

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Water Temperature

16 - 24 °C

pH Value

6 - 7

Water type

Freshwater

Invertebrate type

Freshwater shrimp

Adult size

2.5 cm

Minimum group

>= 6

GH

3 - 6 dGH

KH

0 - 1 dKH

TDS

100 - 200 ppm

Ecological role

Scavenger

Copper sensitivity

High

Species description

Geographical Origin and Habitat: The wild-type Caridina cantonensis is endemic to the fast-flowing, highly oxygenated, and pristine mountain streams of southern China (Guangdong province). The "Bumblebee" variety (Caridina cantonensis var. Bumblebee) is one of the oldest, naturally occurring, early cultivated mutations in the dwarf shrimp hobby. They inhabit cool, clearwater rocky streams shaded by dense forest canopies. These environments are fundamentally defined by highly acidic, incredibly soft water flowing briskly over rounded river stones, gravel, and massive accumulations of decaying leaf litter.
Taxonomy: Scientifically classified within the Atyidae family, it belongs to the highly complex Caridina cantonensis species group, which also birthed the famous Crystal Red and Bee Shrimp. Taxonomically, it is an early, highly robust color morph, genetically closer to the wild type than modern, heavily inbred Crystal strains. Morphologically, it possesses the classic, delicate dwarf shrimp profile, rarely exceeding 2.5 to 3.0 centimeters in total length. It features specialized, bristle-like chelipeds (claws) designed exclusively for constantly sweeping and scraping biofilm.
Social Behavior: They are completely peaceful, utterly defenseless, and highly gregarious invertebrate scavengers. They lack any form of aggression and rely entirely on the absolute security of a large colony (minimum 10-15 individuals) and a heavily structured environment. When kept in a secure, predator-free environment, they are constantly active, spending 24 hours a day relentlessly walking over every surface (plants, wood, substrate), furiously picking at microscopic biofilm, algae, and detritus with their specialized sweeping claws.
Coloration and Sexual Dimorphism: Sexual dimorphism is distinct upon maturity. Females are significantly larger, possess a vastly deeper, rounder underbelly (the "saddle" area designed for carrying eggs), and often exhibit slightly more vibrant striping. Males are noticeably smaller, sleeker, and more torpedo-shaped. The coloration is the defining feature: the body showcases a striking, alternating banded pattern of thick jet-black (or deep chocolate brown) and opaque white stripes, perfectly resembling the coloration of a bumblebee.

Care, breeding and tankmates

Tank Setup: The aquarium architecture must flawlessly replicate a highly oxygenated, pristine mountain stream. A minimum 30-liter dedicated nano-tank is required. The absolute most critical element is the substrate: you MUST use a specialized active buffering soil (like ADA Aquasoil) designed to strip carbonates and permanently lock the pH below 6.5. The layout MUST feature extensive tangles of branching spider wood, dense thickets of moss (Java Moss, Fissidens), and a continuous, heavy carpet of Indian Almond leaves to cultivate essential biofilm.
Diet and Feeding: In their natural mountain streams, they are continuous, obligate detritivores and biofilm grazers. They constantly sweep hard surfaces for microscopic bacteria, fungi, and soft algae. In captivity, a mature tank with heavy leaf litter provides 80% of their diet. This MUST be supplemented 2-3 times a week with specialized, high-quality sinking shrimp pellets, blanched organic vegetables (spinach, nettle leaves, zucchini), and mineral blocks to provide essential calcium for successful molting.
Water Quality: Originating from pristine Chinese mountain streams, they are strict soft-water specialists and highly demanding regarding water chemistry. They demand cooler water (20-24°C / 68-75°F); temperatures exceeding 26°C are rapidly fatal. They absolutely require remineralized RO (Reverse Osmosis) water to achieve zero KH, a GH of 4-6, and a highly acidic pH (5.5 - 6.5). They have absolute zero tolerance for ammonia, nitrites, and specifically, copper. Filtration MUST be provided by a massive, matured sponge filter to prevent sucking up babies.
Compatibility and Tankmates: Compatibility is the single greatest challenge in shrimp keeping. Because they are tiny, defenseless, and represent the natural base of the food chain, they MUST ideally be kept in a strict, dedicated species-only setup. If housed with fish, virtually any fish with a mouth large enough will hunt and eat them. The only remotely acceptable tankmates are other tiny, ultra-peaceful herbivores (like Otocinclus catfish) or microscopic micro-rasboras (like Boraras brigittae), though even these may eat newborn shrimplets.
Aquarium Breeding: Breeding is highly prolific and continuous if water parameters are pristine. They are direct developers (no planktonic larval stage). The female develops a distinct "saddle" of unfertilized eggs behind her head. Upon molting, she releases pheromones, causing males to swim frantically around the tank. Following fertilization, she moves 20-30 eggs to her swimmerets (under her tail), vigorously fanning them for 3-4 weeks. The eggs hatch into perfectly formed, microscopic replicas of the adults that immediately begin grazing on biofilm.
Risks and Diseases: The absolute greatest physical risk is physiological collapse and failed molting (the "Ring of Death") caused by improper water chemistry (keeping them in hard tap water or using water with zero GH). The second major risk is lethal copper poisoning; even microscopic trace amounts of copper from medications or old tap water pipes will exterminate the entire colony instantly. High temperatures (above 26°C) will rapidly cause bacterial infections and wipe out the tank.

Geographic Origin and Distribution

The wild-type Caridina cantonensis is endemic to the fast-flowing, highly oxygenated, and pristine mountain streams of southern China (Guangdong province). The "Bumblebee" variety (Caridina cantonensis var. Bumblebee) is one of the oldest, naturally occurring, early cultivated mutations in the dwarf shrimp hobby. They inhabit cool, clearwater rocky streams shaded by dense forest canopies. These environments are fundamentally defined by highly acidic, incredibly soft water flowing briskly over rounded river stones, gravel, and massive accumulations of decaying leaf litter.

Origin

Selective breeding and cultivarsEast Asia

Invertebrate profile

Diet
Herbivore
The diet of Caridina cf. breviata "Bumblebee" typically reflects its natural foraging behavior as a Caridina bee shrimp. It thrives on a varied diet that can include specialized commercial foods, naturally occurring biofilm, and appropriately sized organic matter. Providing a balanced nutritional profile ensures robust health, strong coloration, and proper energy levels. Supplemental feeding should be adjusted based on the maturity of the tank and the presence of natural food sources.
Ecological role
Scavenger
In its native habitat and the home aquarium, Caridina cf. breviata "Bumblebee" plays a vital ecological role. It contributes significantly to the processing of organic waste and the maintenance of a balanced micro-ecosystem. By engaging in natural behaviors like scavenging, grazing, or sifting, it helps prevent the accumulation of detritus. This species is often considered a crucial component of a comprehensive clean-up crew.
Shock sensitivity
Very high
Sudden shifts in water parameters can trigger severe osmotic shock in Caridina cf. breviata "Bumblebee". It requires slow, careful acclimation, preferably using the drip method over several hours. Rapid changes in temperature, salinity, or pH can lead to immediate stress, failed molts, or mortality. Maintaining absolute stability in the tank is more important than chasing specific target values.
Calcium and minerals
High
Adequate calcium levels are absolutely essential for the structural integrity and growth of Caridina cf. breviata "Bumblebee". For crustaceans and snails, it facilitates proper shell and exoskeleton development, while for corals, it builds the skeletal structure. Aquarists must regularly monitor calcium concentration alongside alkalinity and magnesium. Supplementation through specialized products or mineral-rich foods may be necessary in depleted systems.
Molting
Yes
If applicable to this species, the molting process is a highly vulnerable period for Caridina cf. breviata "Bumblebee". During this time, the animal will hide while its new exoskeleton hardens, requiring peace and stable water chemistry. The discarded molt should generally be left in the tank, as it provides a valuable source of recycled minerals. A lack of iodine or calcium can lead to fatal molting issues, often referred to as the 'white ring of death'.
Reproduction
Oviparous
The reproductive strategy of Caridina cf. breviata "Bumblebee" can range from simple cloning and fragmentation to complex larval stages requiring varying water conditions. Successful captive breeding often signifies excellent water quality and a well-balanced environment. While some species will readily multiply and populate the tank, others may require specialized rearing setups for the offspring to survive. Researching their specific larval development phase is critical for aquarists aiming to breed them.
Compatibility & tankmates
Species only
When selecting tank mates for Caridina cf. breviata "Bumblebee", cautious planning is imperative to avoid predation or aggressive competition. Small or peaceful invertebrates should not be housed with aggressive fish, loaches, or large crabs that might view them as food. Conversely, some specialized invertebrates form symbiotic relationships that can be highlighted in a community setup. A heavily planted or intricately rock-scaped tank often provides necessary refuges.

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

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Last updated: 06/30/2026
Bumblebee shrimp (Caridina cf. breviata "Bumblebee") Care Guide & Tank Setup | Atlarium