10 Types of Freshwater Crabs for your 2023 Aquarium

Discover the fascinating world of freshwater crabs with this comprehensive guide. Learn about the 10 different types of freshwater crabs that you need to know about!

here’s a summarized table comparing the characteristics of each crab species: with 3 more extra crab…

List of Top freshwater crab

Crab SpeciesFamilyOriginScientific NameCommon NameDietSize (Adult)Lifespan (in captivity)Tank SizeTemperature (°F)pHkH
Fiddler CrabOcypodidaeWest Africa, Western Atlantic, Indo-PacificUca MinarFiddler CrabNutritional flakes/pellets, brine shrimp, blood worms, plankton, seaweed, zucchini2 inches3 years10 gallons75-858.0-8.212-30
Thai Devil CrabSesarmidaeSoutheast AsiaClariosoma CamifaxThai Devil CrabNutritional flakes/pellets, brine shrimp, blood worms, fresh & dried fruits, algae2 to 4 inches5 years10 gallons72-827.5-8.58-12
Vampire CrabSesarmidaeIndonesiaGeosesarma dennerleVampire CrabNutritional flakes/pellets, brine shrimp, blood worms, dried crickets, veggies1-2 inches2-3 years10 gallons72-827.5-8.510-25
Red Claw CrabSesarmidaeIndo-Pacific region (Zanzibar to Japan and Fiji)Perisesarma bidensRed Claw CrabBrine shrimps, fish food pellets/flakes, bloodworms, blanched vegetables2-4 inches3-5 years10 gallons75-807.5-8.54-10
Panther CrabGecarcinucidaeIndonesiaParathelphusa PantherinaPanther CrabBrine shrimps, fish food pellets/flakes, dead plant material, algae3 inches2-3 years20 gallons77-867.5-8.54-12
Freshwater Pom Pom CrabXanthidaeMadagascar, Taiwan, New Caledonia, HawaiiLybia EdmondsoniPom Pom CrabHigh-quality sinking flakes/pellets, algae, freeze-dried meaty foods1 inch1-2 years5 gallons68-786.2-7.21-5
Thai Micro CrabHymenosomatidaeThailandLimnopilos naiyanetriThai Micro CrabAlgae, biofilm, decaying plant matter1/2 inch1-2 years5 gallons72-826.5-8.06-15
Matano CrabGecarcinidaeIndonesiaSyntripsa MatannensisMatano CrabAlgae, dead organic matter, brine shrimps, plant matter1-2 inches3 years20 gallons77-867.3-8.53-10
Rainbow Land CrabGecarcinidaeWest AfricaCardisoma armatumRainbow CrabPlant matter, fruits, dead matter3-4 inches8 years20 gallons75-857.0-7.52-10
Gold Claw CrabOcypodidaeWest Africa, Western Atlantic, Eastern Pacific, Indo-PacificUca MinarGold Claw Fiddler CrabNutritional flakes/pellets, brine shrimp, blood worms, plankton, seaweed, zucchini2 inches3 years10 gallons75-858.0-8.212-30
Red Apple CrabSesarmidaeIndonesia, Malaysia & ThailandMetasesarma AubryiRed Apple CrabPlant matter, fruit, weeds, some protein2 inches2-5 years5-10 gallons75-827.5-8.04-10
Marble Batik CrabPachygrapsus MarmoratusSoutheast AsiaMetasesarma obesumMarble Batik CrabHigh-quality fish, dried veggies/fruits, protein matter3-5 inches3 years15-20 gallons75-827.5-8.04-10
Orange Arm Borneo CrabGeosesarmaIndonesiaLepidothelphusa sp.Orange Arm Borneo CrabBrine shrimp, fruits & veggies, earthworms2 inches3 years5 gallons75-827.5-8.04-10


Freshwater crabs are a unique and intriguing species that inhabit various freshwater environments around the world. In this comprehensive guide, we will explore the fascinating world of freshwater crabs and introduce you to 10 different types that you need to know about. From their physical characteristics to their habitats and behaviors, you’ll gain a deeper understanding of these captivating creatures. So, let’s dive into the world of freshwater crabs and discover the wonders that await!

Thai Devil Crab

colorful species of freshwater crab found in Thailand. As you described, its appearance with vivid purple, red, and orange colors, along with the contrasting red tones on its head and claws, certainly makes it stand out. that’s why it knows as a devil of freshwater crabs.

colorful species of freshwater crab found in Thailand. As you described, its appearance with vivid purple, red, and orange colors, along with the contrasting red tones on its head and claws, certainly makes it stand out. that's why it knows as a devil of freshwater crabs.
Thai Devil Crab

The description of their behavior suggests that they are generally peaceful creatures, but they can display some aggression when provoked or if they encounter smaller fish, which is not uncommon among many crab species.

The need for a dry area with sand and no water is an interesting trait, as some freshwater crabs are known to spend part of their time on land, especially during molting periods or when searching for food.

It’s essential to take good care of these critters and provide them with a suitable environment that mimics their natural habitat. As with any species, it’s essential to gather accurate information on their specific care requirements to ensure their well-being.

Orange Arm Borneo Crab

Lepidothelphusa is a genus of freshwater crabs that belongs to the family Gecarcinucidae. These crabs are found in various parts of Southeast Asia, including Borneo, which is the third-largest island in the world and is shared by Indonesia, Malaysia, and Brunei.

Lepidothelphusa is a genus of freshwater crabs that belongs to the family Gecarcinucidae. These crabs are found in various parts of Southeast Asia, including Borneo, which is the third-largest island in the world and is shared by Indonesia, Malaysia, and Brunei.
Orange Arm Borneo Crab

The genus Lepidothelphusa includes several species, and they are known for their colorful and striking appearances. These crabs often display vibrant hues, including shades of orange, blue, green, and purple. As with many freshwater crabs, Lepidothelphusa species are adapted to living in both aquatic and terrestrial environments.

It’s worth noting that the specific species within the genus Lepidothelphusa can have varying habitat requirements, behaviors, and care needs. If you are interested in keeping Lepidothelphusa crabs as pets, it’s crucial to research the specific species you have or plan to acquire to provide them with an appropriate and well-maintained habitat.

As with any pet, responsible ownership and care are essential to ensure the well-being and longevity of these fascinating creatures. If you have more specific questions about Lepidothelphusa crabs or any other topic, feel free to ask!

Red Claw Crab

The Red Claw Crab, also known as the Perisesarma bidens, is a popular freshwater crab species that is native to Southeast Asia.
Red Claw Crab

The Red Claw Crab, also known as the Perisesarma bidens, is a popular freshwater crab species that is native to Southeast Asia. It gets its name from the distinctive red coloration on its claws, which adds a vibrant touch to its appearance. These crabs are known for their ability to adapt to various freshwater habitats, including rivers, streams, and even man-made ponds. With their unique physical features and interesting behaviors, the Red Claw Crab is definitely a species that every freshwater crab enthusiast should know about.

Thai Micro Crab

The Thai Micro Crab, also known as Limnopilos naiyanetri, is a tiny freshwater crab species that is native to Thailand. It is one of the smallest crab species in the world, with a body size of only about 1 centimeter.
Thai Micro Crab

The Thai Micro Crab, also known as Limnopilos naiyanetri, is a tiny freshwater crab species that is native to Thailand. It is one of the smallest crab species in the world, with a body size of only about 1 centimeter. Despite its small size, the Thai Micro Crab is known for its vibrant colors, with males displaying a bright blue coloration and females displaying a reddish-brown coloration.

These crabs are typically found in slow-moving freshwater habitats, such as swamps and marshes. Due to their small size and unique appearance, the Thai Micro Crab is a favorite among aquarium enthusiasts.

Panther Crab

The Panther Crab, also known as Parathelphusa pantherina, is a striking freshwater crab species that is native to Southeast Asia. It gets its name from its unique black and white coloration,
Panther Crab

The Panther Crab, also known as Parathelphusa pantherina, is a striking freshwater crab species that is native to Southeast Asia. It gets its name from its unique black and white coloration, which resembles the pattern of a panther’s fur. The Panther Crab is a relatively large crab species, with males reaching a size of up to 10 centimeters in width.

They are known for their aggressive behavior and can be territorial, making them a popular choice for experienced aquarium keepers. Panther Crabs are omnivorous and will eat a variety of foods, including algae, small invertebrates, and even fish flakes. They require a well-maintained aquarium with plenty of hiding spots and a sandy substrate for burrowing.

Vampire Crab – My favorite freshwater crab

The Vampire Crab, also known as Geosesarma sp., is a unique and fascinating freshwater crab species that is native to the islands of Java and Bali in Indonesia.
Vampire Crab

The Vampire Crab, also known as Geosesarma sp., is a unique and fascinating freshwater crab species that is native to the islands of Java and Bali in Indonesia. It gets its name from its striking red and black coloration, which resembles the appearance of a vampire. The Vampire Crab is a small crab species, with males reaching a size of up to 3 centimeters in width. They are known for their ability to climb and are often found in the dense vegetation near streams and rivers.

Vampire Crabs are omnivorous and will eat a variety of foods, including small invertebrates, plant matter, and even carrion. They require a well-maintained aquarium with a mix of land and water areas, as they are semi-terrestrial creatures.

the Fiddler Crab, also known as Uca sp., is a popular and unique species of freshwater crab. They are named for the distinctive oversized claw that males possess, which resembles a fiddle or violin
Fiddler Crab

the Fiddler Crab, also known as Uca sp., is a popular and unique species of freshwater crab. They are named for the distinctive oversized claw that males possess, which resembles a fiddle or violin. The claw is used for communication, attracting mates, and defending territory. Fiddler Crabs are small in size, with males growing up to 2 inches in width. They are found in coastal areas and brackish water habitats, such as mangroves and salt marshes.

These crabs are omnivorous, feeding on algae, detritus, and small invertebrates. Fiddler Crabs are known for their interesting behaviors, including waving their claws to communicate and digging burrows in the sand. They make fascinating additions to freshwater aquariums and require a mix of land and water areas to thrive.

Red Apple Crab – freshwater crab that you must have

Metasesarma Aubryi, commonly known as the “Red Apple Crab” or “Christmas Island Red Crab,” is a species of land crab found on Christmas Island in the Indian Ocean. These crabs are well-known for their spectacular mass migration, where millions of them travel from the rainforest to the coast to breed and release their eggs into the sea.

Metasesarma Aubryi, commonly known as the "Red Apple Crab" or "Christmas Island Red Crab," is a species of land crab found on Christmas Island in the Indian Ocean.
Red Apple Crab

During the migration, which usually occurs during the wet season, the island’s roads and paths become filled with a sea of red as the crabs make their way to the ocean. This natural phenomenon is not only a remarkable spectacle but also plays a crucial role in the island’s ecosystem, as the nutrient-rich eggs released into the sea serve as a vital food source for various marine creatures.

The Red Apple Crab has a striking appearance with a bright red carapace and claws, contrasting beautifully with their white or pale blue limbs. They are omnivorous creatures, feeding on a variety of plant material, detritus, and small animals.

Due to their unique migration and ecological importance, efforts have been made to protect and conserve their habitats on Christmas Island. Conservation programs are in place to ensure the continued survival of this fascinating species and the maintenance of their natural breeding grounds.

Golden Fiddler Crab

The Gold Claw Fiddler Crab, also known as the Golden Fiddler Crab or Uca vomeris, is a species of fiddler crab found in coastal regions around the Indian Ocean and the western Pacific Ocean, this freshwater crab is perfect for your aquarium. As with other fiddler crabs, they are easily recognizable by their distinctive enlarged claw, which the males use for communication and courtship displays.

The Gold Claw Fiddler Crab, also known as the Golden Fiddler Crab or Uca vomeris, is a species of fiddler crab found in coastal regions around the Indian Ocean and the western Pacific Ocean,
Gold Claw Crab

These crabs are named “fiddler” due to the resemblance of the male’s large claw to a violin or fiddle. The claw is used for various purposes, including attracting mates and deterring rivals. During courtship, male fiddler crabs will wave and drum their claw in an elaborate display to attract females.

The Golden Fiddler Crab typically inhabits sandy or muddy intertidal areas near mangroves and estuaries. They are highly adapted to their environment and have a burrowing behavior, creating burrows in the mud to hide and protect themselves during high tide and extreme weather conditions.

Fiddler crabs, including the Gold Claw Fiddler Crab, play a vital role in their ecosystems by aerating the sediment and contributing to nutrient cycling. They are omnivores, feeding on algae, detritus, and small organisms present in the intertidal zone.

Like many other crab species, the Gold Claw Fiddler Crab faces various environmental challenges, including habitat degradation and pollution. Conservation efforts are essential to ensure the preservation of these fascinating creatures and the ecosystems they inhabit.

Marble Batik Crab

Metasesarma obesum, commonly known as the “Marble Batik Crab” or “Sri Lankan Fiddler Crab,” is a species of fiddler crab found in coastal areas of Sri Lanka and other parts of South Asia. These crabs are known for their beautiful and intricate shell patterns, which resemble the traditional batik textile designs.

As with other fiddler crabs, male M. obesum have one significantly larger claw, which they use for communication, courtship displays, and competition with other males. During mating rituals, male crabs will wave and drum their large claw to attract females.

Metasesarma obesum, commonly known as the "Marble Batik Crab" or "Sri Lankan Fiddler Crab," is a species of fiddler crab found in coastal areas of Sri Lanka and other parts of South Asia.
Marble Batik Crab

The Marble Batik Crab is typically found in muddy or sandy intertidal zones, often in mangrove areas. They are highly adapted to their environment and are capable of creating burrows in the sediment for shelter and protection during high tide and adverse weather conditions.

Being omnivorous, these crabs feed on algae, detritus, small organisms, and organic matter found in their habitats. They play an essential role in the coastal ecosystem by contributing to nutrient cycling and sediment aeration.

Like many other crab species, the Marble Batik Crab faces various threats, including habitat degradation, pollution, and overharvesting. Conservation efforts are crucial to safeguard these fascinating creatures and their coastal habitats.

Rainbow Crab – unique kind of freshwater crab

Cardisoma armatum, commonly referred to as the Rainbow Crab, is a species of land crab that inhabits the lush coastal areas of Southeast Asia. Known for its vibrant colors and intricate shell patterns,
Rainbow Land Crab

Cardisoma armatum, commonly referred to as the Rainbow Crab, is a species of land crab that inhabits the lush coastal areas of Southeast Asia. Known for its vibrant colors and intricate shell patterns, this stunning crab has become an emblem of the diverse and delicate coastal ecosystems it calls home. As we delve into the details of this fascinating creature, we discover not only its captivating allure but also its essential contribution to the coastal environment.

Matano Crab

Syntripsa matannensis is a species of freshwater crab that is endemic to Lake Matano in South Sulawesi, Indonesia. It is also known as the Matano crab or the blue Matano crab because of its distinctive purple-blue coloration. It is one of the most unique and beautiful crabs in the world, and it is popular among aquarium hobbyists who want to keep something different and exotic.

Syntripsa matannensis is a species of freshwater crab that is endemic to Lake Matano in South Sulawesi, Indonesia. It is also known as the Matano crab or the blue Matano crab because of its distinctive purple-blue coloration
Matano Crab

The Matano crab is fully aquatic and can grow up to 6 cm (2.5 inches) in carapace width and 12 cm (5 inches) in leg span. It is an omnivorous and carnivorous crab that feeds on snails, worms, insects, and other organic matter. It prefers a sandy or rocky substrate with plenty of hiding places and a water temperature of 26-30°C (77-86°F). It is also very territorial and aggressive, especially towards other crabs of the same species or similar size. Therefore, it is not recommended to keep more than one Matano crab in a tank unless it is very large and well-decorated.

The Matano crab is endangered in its natural habitat due to pollution, habitat destruction, overharvesting, and invasive species. It is listed as endangered by the IUCN Red List of Threatened Species1. Therefore, it is important to obtain this crab from reputable sources that breed them in captivity and do not collect them from the wild. It is also essential to provide them with proper care and respect in the aquarium and not release them into the environment.

Lybia Edmondsoni: A Crab with a Punch

One of the most remarkable freshwater crab animals in the world is the Lybia Edmondsoni, a small crab that lives in the Hawaiian Islands. This crab has a unique way of defending itself and catching food: it carries a sea anemone in each of its claws. The sea anemones are like living weapons that can sting and paralyze any predator or prey that comes close to the crab. The crab and the anemones have a mutualistic relationship.

 known as the pom-pom crab or the boxer crab because of the way it waves its anemone-clad claws like pom-poms or boxing gloves
Freshwater Pom Pom Crab

The crab provides the anemones with mobility and protection, while the anemones provide the crab with food and defense. The Lybia Edmondsoni freshwater crab is also known as the pom-pom crab or the boxer crab because of the way it waves its anemone-clad claws like pom-poms or boxing gloves. The crab has a colorful pattern on its shell that helps it camouflage with its surroundings. The Lybia Edmondsoni is a fascinating example of how nature can create amazing adaptations and partnerships.

i hope you like our 10 Types of Freshwater Crabs for your 2023 Aquarium. check out 101 Guide of Koi Fish with10 Stunning Koi Varieties That Will Leave You in Awe and Best 10 Algae Eaters for Your Freshwater Aquarium

Spread the love

Leave a comment

Cure Betta fish Popeye Step-by-step Instructions