Mithrax crabs are omnivores, and will also scavenge for food. Our emerald crab is great scuttling around and through the live rock in our 50 gallon aquarium. Emerald Crab, Mithrax Crab Description: The Mithrax Crab is devastating on an algae population as it loves to eat hair algae and any other algae that stands in it’s path. The emerald crab is the best bubble algae eater you can find! There was a problem completing your request. A crab with a green exoskeleton and "hairy" legs. My tank has alot of algae in it and from what I hear emerald crabs are good algae eaters. This noctural animal comes from the Caribbean reefs and requires an established aquarium to give them their best chances at survival. I have had 1 in my tank for about a month. Recommended stocking is 1 per 25 gallons. Long story short, I was thinking about getting an Emerald crab to help munch on the algea. Species Availability: 890. I've added them to my reef often, and results vary. I have a 55g and I have one emerald Crab . Joined 12 Mar 2008 Posts 11,377 Reaction score 1,249 Location Cape Town. ... We enjoy crabs very much and have found that the little "Blue Leg Hermit" crabs (1 per gallon) eat algae non stop. big Active Member. We sell them singularly or in packs specifically designed to keep your aquarium clean the natural way. He's always picking pieces of algae off our rocks in and around our corals. Moderator. The Emerald, or Mithrax crab, is often sold as a natural control for bubble algae. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Breakdown on crabs as follows:75% (water volume) Blue Legs, 20% Red Legs, 5% Emerald Crabs Example- 100 gallon tank: 75 Blue Legs, 20 Red Legs, 5-6 Emerald Crabs Customers also viewed these products. Reports vary with these crabs, sometimes good and sometimes bad. Quick view. Maybe saving up for Thanksgiving or something. The Saltwater Emerald Crab is a great addition to any aquarium and is reef safe. Blue Leg Hermit Crab 50 Pack. To reduce the problem of Valonia (bubble algae), many people recommend the Emerald Crab as the solution. When I drop one into the tank they race to see who can get to it first...... 15? I use a few Algea tablets a week for them. Most inverts do well under 73-78 Fahrenheit, PH 8.0-8.3, Salinity 1.022-1.025. Quick view. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. $18.99 (34 reviews) Write a Review ... Clean Up Crew 30 Gallon Tank - A Reef Safe Package. They are known to pick these off the rocks and consume them. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Stocking wise, it is recommended to keep only 1 crab per 20 or 25 gallons. They are a pretty emerald color and stay on the small side, only reaching about 2 inches (5 cm) when fully grown. Emerald Crab 5 pack Fish and Aquarium. Please try again. I honestly don't know of another thing that eats algae in the aquarium. Hi, I would like to hear members opinion on Emerald Crab. So I had to take them out (don't think it's easy, just by luck). This shiny green, hairy legged crab will put the work in against bubble algae and other filamentous algae in your reef tank. the males get large and kill other crabs at times. Here is a photo from 7/4/08 of Grabby sitting in the fake coral. Thread starter monkeypie102; Start date Jun 17, 2013; Jun 17, 2013. I have a filefish and it likes shrimp!!! Recommended stocking is 1 per 25 gallons. The general guidance has been one emerald tank for every 30 gallons, but this will depend on your rockwork setup and abundance of food in the tank. They prefer to … The type of algea I have is hair like and it anchors to the rock very firmly. It is recommended to only have one crab per 10 gallons (40 liters) because it has been found that with more than one crab can lead to fighting amongst the crabs. I have 4 in a 55 gallon and have had no problems with them. Easy to care for and considered reef safe. I have a friend that said one picked at his flower pot. I got them when they where tiny. Hello Carlos, I have 3 emerald crabs in my 90 gallon for about 6 months and one of them lost it's claw or i think my flame hawk eat it the first week i added them and still he gets around the display great !!!! Oct 9, 2008 #10 I have three in my 72. I have 5 in my 180g and keep about 90lbs of rockwork in the display portion of the setup where the crabs are. JavaScript is disabled. Your recently viewed items and featured recommendations, Select the department you want to search in. Video about my thoughts/opinion on the good ole emerald crabs. For a better experience, please enable JavaScript in your browser before proceeding. i get maybe 75% of the bubbles to break loose but end up "popping" the other 25% due to my poor surgeon skills. Octopus. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Conclusion The Emerald crab is one of the most popular and yet debated crabs in this hobby. They ate corals like flower pot, plate, leather. It would be too much. The Saltwater Emerald Crab is a great addition to any aquarium and is reef safe. I have an Emerald Crab in my 40 gallon. I've seen them consume bubble algae, as well as decimate a troublesome spot of Caulerpa. Are they reef safe? | | COMMON NAME: || Emerald Crab | | SCIENTIFIC NAME: || Mithrax sculptus | | SIZE AVAILABLE: || ~1/2 inch | | MINIMUM TANK SIZE: || 1 per 25 gallons | | FOOD/DIET: || Omnivore | | CARE LEVEL: || Moderately easy | | REEF SAFE: || Considered safe, may be aggressive | | AVAILABILITY: || Most always available - 99% |. A crab with a green exoskeleton and "hairy" legs. I have 5 in my 90 gal.. No trouble yet. Emerald/Ruby Mithrax Crab. If you go in to buy them, look at the girdle on their under-belly. the idea that they eat bubble algae is hit or miss. "Let me out of here!" Grabby was in a guppy breeding trap for a few days. The best way to gauge it is to put them in as needed. A good rule is 30 gallons per emerald crab when keeping multiples ensuring there is ample rock work in those gallons for them to separate throughout the tank. Jeremy Gay explains how to keep it. They thrive in tanks with plenty of live rock and a sandy substrate as the like to graze searching for algae. Recommended stocking is 1 per 25 gallons. The emerald crab, Mithrax sculptus, is one of the more popular herbiverous crabs on the market. *Recommended stocking is 1 per 25 gallons. $29.99. So it is nice to have something small to see moveing on the bottom. Unable to add item to List. I have one tiny one in my 46 gallon...I haven't seen him since i put him in...he hasn't touched anything yet...including the bubble algae. Please try your search again later. They eat bubble algae and are very easy to take care of. Many people purchase these crabs for control of Valonia bubble algae and purchasing one for this function is a double edged sword. The Emerald Crab, Mithrax sculptus, are one of the most popular marine crab species for the home aquarium. You must log in or register to reply here. DEBATE: Bubble algae -VS- the Emerald Crab i've been fighting the bubble algae problem for nearly a year now.... i have tried going in with an exacto-knife and cutting away colonies. I would say two is maybe enough and wouldn't keep any but females myself. Since petsmart if having a sell on their tank $2 per gallon with light and hood I'm going to get a 20 gallon it'll save me the price I was planning to pay for a 20 gallon by like half the cost! Can my ten gallon hold an emerald crab (or even can my fish be with an emerald crab)? Find answers in product info, Q&As, reviews. Guys this thread is six years old, his crabs are long gone. 459b. The size of your bubble algae problem will largely determine the amount of emerald crabs that your tank will need to get the job done. These photos are from 6/21/08: Entire tank including the trap. Overpopulating emerald crabs could lead to aggression among the crabs. !I think he will allways be handycaped .no sign of regrowth Photo from 7/4/08 of grabby sitting in the fake coral 1996-2020, Amazon.com, Inc. its! Thinking about getting an Emerald crab is one of the most popular and yet debated crabs in this hobby said! Shiny green, hairy legged crab will put the work in against algae. About 15 of them in 75 gallons tanks clean out most organic debris from the reefs. And from what i hear Emerald crabs are good algae eaters want to see corals!, as well as decimate a troublesome spot of Caulerpa about 90lbs of in... My 90 gal.. no trouble yet and if the reviewer bought the item on Amazon his crabs are gone! 3 turbo snails, and two snails i am not sure what they are also scavengers will. Designed to keep only 1 crab per 20 or 25 gallons was in a guppy breeding trap a. 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