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Home Freshwater Livestock Freshwater Inverts & Creatures CRAB – FIDDLER Uca minar
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CRAB – FIDDLER
Uca minar

$0.00

The Fiddler Crab is a unique, semi-aquatic creature that can make a fun addition into the right aquarium! There are over 100 species of Fiddler crab in the genus Uca native to coastal regions. The ones often encountered in the aquarium trade come from Florida where they inhabit brackish marshes, lagoons and swamps. While these crabs are relatively hardy and unfussy, they do have some specific environmental requirements that need to be met. For starters, Fiddler crabs cannot live long term in a fully aquatic environment (see ‘Care Requirements’ below). The average Fiddler crab can live between two and three years, and reach an adult size of approximately 2″ across. Fiddler crabs are social and do best when kept in groups. Males can be distinguished from females by their single, larger claw. The waving of this claw is a way for Fiddler crabs to communicate with each other and make their presence known.

Note: For this item, online stock level does NOT reflect in-store stock. Please call the store for availability.

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SKU: 10322 Categories: Freshwater Inverts & Creatures, Freshwater Livestock Tags: CARE LEVEL | EASY, CRAB, FRESH INVERT/CREATURE, LIVE, LIVE PLANT SAFE | WITH CAUTION, MIN TANK SIZE | 10, TEMPERAMENT | PEACEFUL
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Description

Care Level: Easy

Temperament: Peaceful

Live Plant Safe: With Caution

General Description: The Fiddler Crab is a unique, semi-aquatic creature that can make a fun addition into the right aquarium! There are over 100 species of Fiddler crab in the genus Uca native to coastal regions. The ones often encountered in the aquarium trade come from Florida where they inhabit brackish marshes, lagoons and swamps. While these crabs are relatively hardy and unfussy, they do have some specific environmental requirements that need to be met. For starters, Fiddler crabs cannot live long term in a fully aquatic environment (see ‘Care Requirements’ below). The average Fiddler crab can live between two and three years, and reach an adult size of approximately 2″ across. Fiddler crabs are social and do best when kept in groups. Males can be distinguished from females by their single, larger claw. The waving of this claw is a way for Fiddler crabs to communicate with each other and make their presence known.

Diet Requirements: Fiddler crabs are naturally omnivorous scavengers. Offer a diet of high quality flake foods, pellet foods, frozen foods and sheet algae. Variety is the spice of life, even for these small invertebrates.

Care Requirements: An established minimum 10 gallon aquarium is ideal for small group of Fiddler crabs. Size up accordingly to accommodate a larger group. A secure lid is absolutely necessary to prevent these crabs from inadvertently escaping up cords or tubing out of the aquarium. Crabs are very intolerable of nitrite or ammonia spikes. Weekly or biweekly water changes are encouraged to keep water parameters up to standard (Nitrates < 20 ppm). Avoid the use of copper based medications as this will cause harm to, or even kill, your Fiddler crab. Given their environment specific requirements, Fiddler crabs tend to do best in a species only aquarium. Fiddler crabs are semi-aquatic, meaning they will require an area within the aquarium that is above the waterline. This can be constructed with aragonite substrate, which is preferred over just standard aquarium gravel, because this medium contains important calcium and trace minerals for the crabs to molt properly. The substrate should be deep enough to allow the crabs to burrow. The height of the water portion of the aquarium only needs to be a few inches deep to cover the majority of their body. The use of an internal filter will help keep the water clearer and from being stagnant. There are two ways to go about providing Fiddler crabs with their necessary salty environment. First, you can keep a true brackish aquarium with a salinity between 1.005 and 1.012. In order to achieve these, marine salt would be used rather than standard aquarium salt, and at a volume of 1/8 cup per one gallon of water. This route limits typical freshwater tank mate options, or live plants (with the exception of mangroves). If keeping a brackish aquarium is undesirable, then we suggest at least adding a standard tablespoon of aquarium salt per 5 gallons of water. Without salt at all, Fiddler crabs will have health issues that can lessen their lifespan. Tank mates such as livebearers (e.g., guppies, mollies, swordtails) can be adaptable to either a freshwater or brackish environment, making them a suitable match for a Fiddler crab aquarium. Keep in mind, however, that sometimes very small fish can be predated on by Fiddler crabs. Fiddler crabs are best kept as one male with several females. Recommended water conditions, 74-82° F, KH 12-25, pH 8.0-8.5.

Purchase Size: Medium: 1″ to 1-1/2″

Note: Your item may not look identical to the image provided due to variation within species. Purchase sizes are approximate.

Shipping & Delivery

Dry goods orders are shipped via US Postal Service or UPS to the address provided at checkout based on the selection made in your website shopping cart. Product is carefully packed to help prevent any damage during shipping. Once processed you will receive a shipment notification via email with tracking number, and delivery notification. Please allow 48 hours for processing after your order is placed.

Livestock (i.e. fish, invertebrates, coral) are shipped via FedEx Priority Overnight to the address provided at checkout for a $55.00 flat rate charge. Livestock is packed in insulated styrofoam boxes with secure packing material and heat, cold, or Cryo packs as needed to maintain safe temperatures during transit. If one or more livestock items are in the shopping cart at checkout the $55.00 livestock shipping charge is automatically applied to your total. Livestock is shipped Monday through Wednesday ONLY (no weekend delivery is available) weather permitting, and we reserve the right to delay shipping until conditions are appropriate for safe arrival. Once your order is placed we will contact you to arrange the best shipping date based on these criteria. Someone must be available to sign for the livestock order on the first delivery attempt. Once processed you will receive a shipment notification via email with tracking number. Please allow 48 hours for processing after your order is placed.

For mixed dry goods & livestock orders items will be shipped via their corresponding shipping methods outlined above. Dry goods will be shipped via US Postal Service or UPS based on your selection and checkout, while livestock will ship via FedEx priority Overnight for a $55.00 flat rate charge. You will receive separate notifications and tracking numbers for the dry goods and livestock. Please note due to different carriers and shipping methods dry goods and livestock may arrive on different days.

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