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About Rob22

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  1. Yep. The pistol shrimp is almost blind, hence the communal living with the goby. The shrimp protects the goby by killing anything that enters its lair to attack and the goby feeds and protects the shrimp by alerting it to big predators. They can and will live independently of each other just fine. You could try some meaty foods like Mysis if you wish, but not necessary.
  2. There are likely hundreds to thousands of species of tube worms with feathered crowns. Some can make hard calcium tubes and some make only kind of like paper like that giant Hawaiian feather dusters that are common in the trade. These look like Filogranella elatensis to me with the hard calciforous tube and the red crown that fades to pale. They also grow where the light shades them and they can hide from predators and are often found under coral heads. You can remove it if you want to but the tube grows towards the opening so the back of the tube that you see in the last picture shouldn’t grow any more towards the head, unless it’s another one and there isn’t a crown on it. I can’t tell from the pic though. If you attempt to crush and remove the tube you will likely damage the coral head and could cause an infection. I personally wouldn’t risk it. To the coral it is a minor discomfort that it will likely get used to like a new mattress or a new pair of shoes that you need to break in to a human.
  3. Feather duster worm. Harmless and a beneficial filter feeder.
  4. Saltyunderground does good pics and are good representations of actual color. They are local to me so everything I have purchased from them I went to pick up. I have been in their building, even though they only do online sales and seen their stock to compare to their online pics.
  5. I’m pretty sure you’re correct. Looks like Phyllangia Americana or common name is hidden cup coral. Nice score.
  6. Blue lights are pretty high but it looks like a common bristleworm to me. Some people hate them but most look at them as a good member of your clean up crew.
  7. One last thing to consider is if the leathers are unhappy they could have released some chemical warfare into the tank. If you run carbon it could be that it is being cleaned up so the scans are coming back out. Just a thought.
  8. I don’t know about the red ones. Tigers do not.
  9. I like the look of clams better. Starfish are neat, but not really my thing. In my 90 gallon I have a derasa and two maxima clams plus a tiger striped serpent star. The serpent star will leave clams alone so if you are just wanting a star and not necessarily the nardoa, that may be a route you can take.
  10. Also, I know you said you don’t like blennys, but look at a Midas blenny. Once they’re acclimated and used to the tank they hover in water column.
  11. Saltwater fish do not have stunted growth because they are in a small tank. A six line has a good chance of eating your small shrimp as it grows.
  12. Urchins lose spines sometimes just like a dog sheds. A few spines isn’t really something to worry about. If it starts dropping a lot of spines you may have an issue with water quality. I know you said your nitrates are 1-2 but you have a lot of algae on the rocks and on the glass that are consuming them before they show up on a test. It’s likely just either full and not expelling energy to move around or it’s found something on the rock it likes and is eating. They will strip the coraline algae off of your rocks, perhaps it found a patch it likes. Its really tough to tell how they are doing, but yours have those sticky feelers out. Looks as healthy as my purple urchin. I periodically find spines from all three of my urchins and have had them for months to years depending on which one.
  13. Probably just at the end of its lifespan. They only live 2-4 years and there is no telling how old it was when it was originally collected. Whereas they are deemed as “reef safe” and claimed to be herbivores, all crabs are omnivorous. If it was starving it would have taken out one of the shrimps or snails. It also takes a while for something like that to starve. Six days wouldn’t have done it. I have had them take fish that sleep in the rocks as well. Personally I don’t trust any crabs in my tank anymore other than porcelain crabs who are predominately filter feeders.
  14. Like Clown79 said regarding the water change, it depends on your nitrate level. It only being 5 gallons though if you have a cheap source of quality saltwater you could do a complete water change if you wanted. My LFS sells saltwater for $1 a gallon and with your size tank it would only cost about $4 for a total water change. Your rock and sand will take up some of the space your water used. The bacteria that make up your biological filter live predominantly in the sand and on the rock, not in the water column. This is why people can do massive water changes and run UV sterilizers without affecting their biological filter. Also make ale sure you are not topping off evaporation with saltwater. The salt doesn’t evaporate so you will keep raising salinity if you do.
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