1–25 of 25
Showing 25 of 25 products
%201787056007679.jpeg?signature=0d21d36973959d793ffbc3a667ffdd9101510174289fa9799a4f2a353e974df3)
%201786253596583.jpeg?signature=e294cbbac41ac4d1a808ad756cc7335c507d6d011c25bd256fc946dd3acf8409)
1757527791314.jpeg?signature=9b68657d38fe872a907b8c7b95ce294be878bbef265ad5c6a998ed0c1acc629e)
1757527020811.jpeg?signature=18a419e02542a82efcea104d58290f7ddd4b3db4f5c24ac3ee4bf5c08cadcb55)
1757526843067.jpeg?signature=b7b57bd853317f416c70a8f749166fec57b78e4ceef4ff82ada315b82984c7c3)
1757526333417.jpeg?signature=a9906a4f1f93af39661a5c88cfc0cbf50b4b1c7b41e234347e1a984e84c2990b)
%201757525644297.jpeg?signature=16677d08c58dcc6091c1db18ceb82ee8404704833d619af627adb3272a8c2535)
1757343338034.jpeg?signature=84452c1616ceabf7b6c41d4dc17ef092c75f2a9226cc6a10592cb9bd84674c7d)
%20crab%20(Cardisoma%20armatum)1757166930604.jpeg?signature=066bdef2d8aeeddb2bde85f29df9c7ab1051d1abca6356c2b82649b2a2a51f07)
Explore freshwater aquarium crabs for sale in Singapore from aquarium shops, breeders and specialist sellers on FishyHub. Compare different crab species, sizes, colours and prices from multiple sellers in one marketplace.
Freshwater and semi-aquatic crabs can be fascinating additions to specialist aquariums and paludariums. Some species spend most of their time underwater, while others need access to land or shallow areas, so accurate species identification is especially important.
Aquarium crabs vary widely in adult size, temperament and habitat requirements. Some are fully aquatic, while others are better suited to semi-aquatic setups.
Fully aquatic freshwater crabs can remain underwater throughout their lives and may be suitable for dedicated aquariums. Exact care requirements depend on the species, including water chemistry, diet and compatibility.
Semi-aquatic crabs require both water and accessible land or exposed hardscape. These species are often better kept in paludariums or purpose-built enclosures rather than standard fish tanks.
Smaller crab species may be suitable for compact specialist setups, provided the tank offers enough hiding places, appropriate substrate and secure boundaries.
Other freshwater crab species may appear depending on seller inventory. Because common names can be inconsistent, buyers should confirm the scientific name or exact species where possible.
Before buying a crab, consider:
Two crab species sold at a similar size can have very different care requirements, so choosing by appearance alone is not recommended.
When comparing crabs for sale, look for:
Crabs may naturally hide for long periods or become less active around moulting, so behaviour should be interpreted together with body condition.
The correct enclosure depends heavily on whether the crab is fully aquatic or semi-aquatic.
A suitable setup may include:
Crabs are skilled climbers and can escape through surprisingly small gaps, so enclosure security is especially important.
Some do and some do not.
Fully aquatic species can remain underwater, while semi-aquatic crabs need access to dry or exposed areas. Always identify the species before deciding on tank design.
Many freshwater crabs are opportunistic omnivores and will eat a mixture of plant and animal matter.
Depending on species, suitable foods may include:
A varied diet is preferable to relying entirely on leftover fish food or algae.
Some can, but compatibility is highly species-dependent.
Crabs may catch slow, sleeping or bottom-dwelling fish, while larger fish may injure or eat the crab. A species-only or carefully planned specialist setup is often safer.
Compatibility with shrimp is not guaranteed. Many crabs are opportunistic feeders and may catch shrimp, especially small or moulting individuals.
If shrimp breeding is a priority, a crab-free aquarium is generally the safer option.
Some crab species may ignore larger snails, while others can attack or eat them.
Check the diet and behaviour of the exact crab species before treating snails as permanent tankmates.
Some species can be kept in groups, while others are territorial and may fight over food, caves or space.
Providing multiple hiding areas and enough floor space can reduce competition, but individual aggression may still require separation.
Crabs grow by shedding their old exoskeleton in a process called moulting. During this period they can be soft and vulnerable.
Provide secure hiding places and avoid disturbing a crab unnecessarily during or immediately after a moult.
Crustaceans need minerals to build and maintain their exoskeleton.
Very soft or mineral-poor water may be unsuitable for some species, so water chemistry should be matched to the crab being kept.
Some freshwater crabs can live in planted aquariums, but certain species may dig, move substrate or damage plants.
Hardy rooted plants, epiphytes and secured hardscape may be easier to manage than delicate aquascapes with loosely planted stems.
Freshwater crab prices in Singapore vary depending on species, size, colour, rarity, origin and seller.
Common aquarium crabs may be relatively affordable, while unusual colour forms and specialist imported species can cost more.
FishyHub brings freshwater crab listings from aquarium shops, breeders and specialist sellers across Singapore together in one marketplace, making it easier to compare available crabs from multiple sources.
When comparing crab listings, consider:
Buyers should also check any current Singapore rules that may apply to unfamiliar or specialist crab species before purchase.
Some species can, while others are semi-aquatic and need access to land. The answer depends entirely on the exact species.
Sometimes, but many crabs may catch fish and some fish may attack crabs. Compatibility should be checked by species.
It is risky with many species because crabs are opportunistic feeders and may prey on shrimp.
Yes, many crabs are excellent climbers. A tightly secured enclosure with covered gaps is important.
Many are omnivorous and can eat sinking pellets, plant matter, vegetables and suitable animal-based foods. Diet varies by species.
Hiding can be normal behaviour, especially around moulting, after introduction to a new tank or when the crab feels threatened.
Aquatic setups generally benefit from filtration to maintain water quality. The type of filtration should suit the enclosure and species.
Some species can be manageable, but correct identification is crucial because habitat requirements vary widely. Beginners should choose a well-documented species rather than an unidentified crab.
Explore freshwater aquarium crabs for sale on FishyHub and compare aquatic and semi-aquatic species from sellers across Singapore. Compare size, habitat requirements, temperament and prices to find a crab suited to your aquarium or paludarium.
