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White-spotted Hermit Crab (Dardanus megistos)

Discussion in 'Fish Only Tanks' started by seanothon, Feb 19, 2010.

  1. seanothon

    seanothon New Member

    Picked one up not too long ago from LFS because they were basically giving it away for $10. It's a little smaller than a baseball.
    anyone had any experience with these guys? how big they get, any special needs?



  2. jaxfishgirl

    jaxfishgirl New Member

    no experience with them, but he is super cute. I looked on this website and this is was they said about them:
    Originally Posted by SWF.com
    They should be offered algae sheets on an every other day basis in order to help feed them. Most of their day is spent as scavengers and they do a tremendous job keeping aquariums clean of detritus and waste build-up. They are voracious algae eaters.
    Not coral safe
    i also read they can get up to 8 inches. They eat tube worms, mollusks, and small fish. Should be kept alone since they can get aggressive to other hermits. Most active at night.
  3. jtt

    jtt New Member

    I want him!!!
  4. saxman

    saxman Guest

    i kept one for a number of years (i was misinformed about them being reef safe). they get huge (bigger than a baseball) and will eat any fish they can catch (being true to form as opportunistic omnivores).
    i finally tossed it in with a 2.5' snowflake eel, thinking both would be safe, but the eel actually ate it, which was fine with me, as it had been quite destructive over the years no matter where i put it.
    personally, i'd worry about it getting ahold of your cowfish...
  5. cranberry

    cranberry New Member

    Originally Posted by seanothon

    Picked one up not too long ago from LFS because they were basically giving it away
    This should ALWAYS make you suspicious!
  6. seanothon

    seanothon New Member

    Originally Posted by saxman

    i kept one for a number of years (i was misinformed about them being reef safe). they get huge (bigger than a baseball) and will eat any fish they can catch (being true to form as opportunistic omnivores).
    i finally tossed it in with a 2.5' snowflake eel, thinking both would be safe, but the eel actually ate it, which was fine with me, as it had been quite destructive over the years no matter where i put it.
    personally, i'd worry about it getting ahold of your cowfish...
    I think the cowfish will be okay. I figure even if the crab gets ahold of it then it will probably not like the toxic skin and let it go. I wonder if my snowflake will eventually take it down...
  7. cranberry

    cranberry New Member

    Your crab will not be affected in anyway by the cowfishes slime coat. Greg (Saxman) and I have both kept them (the crab). They are honestly able to hunt and eat that cowfish. Scouts honor. Mine was nowhere as big as yours and it got a fish way bigger than your cowfish. If you are willing to take the risk....cool, of course that is up to you. But don't do so believing in any way, shape or form that your cowfish is either bit safe with that crab.
  8. seanothon

    seanothon New Member

    Originally Posted by Cranberry

    Your crab will not be affected in anyway by the cowfishes slime coat. Greg (Saxman) and I have both kept them (the crab). They are honestly able to hunt and eat that cowfish. Scouts honor. Mine was nowhere as big as yours and it got a fish way bigger than your cowfish. If you are willing to take the risk....cool, of course that is up to you. But don't do so believing in any way, shape or form that your cowfish is either bit safe with that crab.
    guess im inbetween a rock and a hard place. I really like the crab but i dont know if i want to set up a separate tank just for him...
  9. gastineaub

    gastineaub New Member

    we have one too and he's crazy. all we have with him now is a yellow and blue hippo tang in a 90g, but will eventually be getting more fish.
  10. seanothon

    seanothon New Member

    Originally Posted by Cranberry

    Your crab will not be affected in anyway by the cowfishes slime coat. Greg (Saxman) and I have both kept them (the crab). They are honestly able to hunt and eat that cowfish. Scouts honor. Mine was nowhere as big as yours and it got a fish way bigger than your cowfish. If you are willing to take the risk....cool, of course that is up to you. But don't do so believing in any way, shape or form that your cowfish is either bit safe with that crab.
    any idea how big the cowfish would need to be to be safe? i could qt the crab till then, seeing as how fast they grow
  11. seanothon

    seanothon New Member

  12. fishlawyer

    fishlawyer New Member

    Never had one myself, but from what I know, the bigger hermit crabs get, the meaner they get... Might want to keep a close eye on him...
  13. cranberry

    cranberry New Member

    OMG!!!! A fellow Newfie! Whadda ya at? :)
    I personally wouldn't trust anything with that crab.
  14. gastineaub

    gastineaub New Member

    we traded ours in last week cause we ended up buying a juvy. red coris wrasses. i was sad though cause he had tons of personality
  15. seanothon

    seanothon New Member

    HMM. for some reason i still think it has no interest in eating the cowfish. whenever it runs its antenna over the cowfish it just tries to knock it away but doesn't pursue it. but it does go after the eel and if you put a piece of krill near it the crab goes nuts and will chase it around the tank. i am surprised how fast it can be
  16. chrismohrsr

    chrismohrsr New Member

    By now you should be pretty well aquainted with your Dardanus Megistos. Maybe you can help me. I have been in and out of the saltwater hobby since the middle nineteen fifties. My favorite animal is the octopus and I have kept several over the years. Some years ago I acquired a Dardanus Megistos hermit crab which lived in my care for about a year or more. I would like to obtain another one at this time, but to order one on line would cost about four or five times the price of the crab in overnight shipping charges. I live in Homeland, California and there are no retail tropical fish stores in my immediate area and those that are not too far away do not stock the Dardanus Megistos. They feel it is aggressive and not reef friendly. I'm sure there are people who bought this magnificent creature not realizing the long term involvement since they live so long and require constant attention to their shell requirements, and would now like to put it up for adoption. How do I contact someone like that? I cannot find any forum or message board that has an adoption category. I will greatly appreciate any assistance anyone can provide that will allow me to acquire a Dardanus Megistos hermit crab at a reasonable cost.
    Thank you for your kind attention and consideration.
  17. seanothon

    seanothon New Member

    Originally Posted by ChrisMohrSr

    By now you should be pretty well aquainted with your Dardanus Megistos. Maybe you can help me. I have been in and out of the saltwater hobby since the middle nineteen fifties. My favorite animal is the octopus and I have kept several over the years. Some years ago I acquired a Dardanus Megistos hermit crab which lived in my care for about a year or more. I would like to obtain another one at this time, but to order one on line would cost about four or five times the price of the crab in overnight shipping charges. I live in Homeland, California and there are no retail tropical fish stores in my immediate area and those that are not too far away do not stock the Dardanus Megistos. They feel it is aggressive and not reef friendly. I'm sure there are people who bought this magnificent creature not realizing the long term involvement since they live so long and require constant attention to their shell requirements, and would now like to put it up for adoption. How do I contact someone like that? I cannot find any forum or message board that has an adoption category. I will greatly appreciate any assistance anyone can provide that will allow me to acquire a Dardanus Megistos hermit crab at a reasonable cost.
    Thank you for your kind attention and consideration.
    Seems like you have a pretty small chance of finding what you're looking for and could take quite a while if you do. If you really want it, I would either ask a LFS to put one on their order list. It is not that big of a deal and they do it almost every week. If no one will, I would bite the bullet and order one offline
  18. frakes

    frakes Guest

    i got a medium sized one with an order that included a small urchin, and that night he was over picking at the urchin, even breaking off its spines, and that happened again the next day. i separated them but the day after that, only a few spines were left. in a big tank they are a bit safer bit in a small one you are better off with a scarlett hermit crab. im trying to get rid of mine because he is attacking the other fish
  19. 1guydude

    1guydude New Member

    Donate....i had one eat $40 in tube worms.....lol i was misinfromed about how reef safe they are.
  20. saxman

    saxman Guest

    I tossed mine into my "destructive critters tank" that I had at the time, and the SFE in residence promply made a meal out of it. Then I only had to worry about having a nasty-a$$ SFE...

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