What are all the possible fish I could have in my saltwater tank?
Posted on November 5th, 2009 by admin
Fish
*All possible ones, I want to know the fish i have to choose from.*
Tank:
-20 gal, tall
-SW
-Crushed Coral substrate
-Heater (74-80 degrees)
-Hang-on filter
*All possible ones, I want to know the fish i have to choose from.*
Tank:
-20 gal, tall
-SW
-Crushed Coral substrate
-Heater (74-80 degrees)
-Hang-on filter
*Please only list peaceful fish, fish that won’t eat invertebrates*
Thank You.
-Mektommy
I have live rock.
I have a filter, but I am upgrading it.
I do not want or plan to have any corals.
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Filed under: Fish
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You have several options. You could go with a firefish goby, any clow goby, a diamond or yellow watchman goby. Or you should check out the royal gramma. You could get a clown (semi-agressive) and an anemone, but i wouldn’t put anything else in there but maybe a yellow watchman goby (or other sand sifter/shrimp goby). But you could still stock a few shrimp, blue leg hermit crabs, and snails. I wouldn’t recommend keeping any coral unless you have a good light system i.e t-5 actinic and full spectrum bulbs or metal halide bulbs. If this is your first saltwater setup, i would recommend a FOWLR tank. (Fish only with live rock) as coral and invertebrates are much more sensitive to changes in water parameters.
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As far as ones you can choose from…occellaris clownfish, royal gramma, chalk basslet, most pseudochromis, smaller cardinalfish, smaller shrimpgobies, clown gobies, any of the firefish/dartfish, small blennies…it’s quite a good list.
Now your tank is very small, and apparently pretty under-filtered. Your substrate will also keep you from owning shrimpgobies, watchman gobies, and sand-dwelling blennies. You say nothing about live rock, but I’m going to assume some is in there. Pick either a small Pseudochromis, the occellaris clownfish, gramma, firefish, OR a cardinalfish. Then pick up a couple clown gobies. Done. You can also have a few shrimps, or small species of crab like anemone, porcelain or boxer crabs. Blue-leg and scarlet-leg hermits are also possibilities, along with Astrea, Cerith, and Nessarius snails and feather duster worms. Stay away from Emerald, Sally-Lightfoot, and Arrow Crabs, Sarron Shrimp, Coral Banded Shrimp, all starfish, all urchins, turbo snails, and cucumbers. Most of these get too large or too aggressive for your tank.
Your lighting isn’t listed, but probably isn’t sufficient for corals/anemones, so avoid these, too.
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This won’t be the best answer but.
Your filter isn’t enough,I would get add koralia(K1 or Nano),
you need lots of flow especially in a nano.
I wouldn’t use crushed coral,it can cause numerous problem,
sand is better keep it under an inch or so.
Your tank is pretty small,but you can have some cool fish..
You will need to do a weekly water change of say 10% to 25%,
having some macro algae such as cheato is a good idea.
Stay away from seaclone skimmer,priszm skimmers and backpak skimmers.
If you want to get a skimmer get a AquaC Remora.
Clownfish like Percula and Occeralis are good choices,
fire fish,gobies,certain blennys,certain reef safe wrasses and chromis are good choices there are others but those are pretty easy to keep.
Stay away form tangs,please don’t get one.
It’s comparable to keeping a horse stalled up forever.
I suggest that you browse around nano-reef since these smaller tanks need more attention than say a 55.
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Wow an array of answers here. The truth is a HOB filter with no skimmer is fine for a 20 gallon. Skimmers are not needed here in this size of a tank.
Crushed coral is also a good sub so no worries here.
Banggaii cardinals make great fish for these types of tanks. Only one male never two. Peaceful especially with other peaceful fish.
Ocellaris or true Perc Clowns are also great fish for this size of a tank. If they are housed with agressive fish, they will be aggressive however many nano aquarist swear by a pair in this size tank.
Bluespotted jawfish, blue dot jawfish one only in this tank. Peaceful except when other fish hover to look near its borrow. These guys are best in crushed coral tanks. They are so funny since they will spend all day gathering pieces of coral to build up their homes. They do this every single day all day. You have to wonder if they are going to build right out of the tank. they do need to be fed twice per day.
Six Line Wrasse also make great tank mates especially if you have a bristle worm problem. The only thing with these guys is if not fed well, they may go after small urchins or even shrimp if hungry. Most are peaceful just something to consider here.
Blue Assessor also is a great peaceful fish which doesn’t get larger than 2 inches.
Oblique-lined Dottyback or dottybacks in general are highly aggressive and should not be housed in nano tanks. Especially with any fish that looks similar. Highly aggressive.
Blue-Green Chromis, Blue Green Reef Chromis, Green Chromis or even red chromis. Peaceful no specific place in the tank they call home hearty and grows only around 2 inches.
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You can do a few things, what I would suggest, and prefer doing in smaller tanks such as your’s is getting a mated pair of (if possible) tank raid occelaris clowns. There usually not too expensive, and fairly easy to keep.
There are quite a few anemone’s and even corals that can live with little to no feeding, and some that can live with no direct feeding. A cool idea would be something like, 2 clowns, a bubble tip anemone, a mushroom rock, a zoanthid rock (possibly blue-steel, or fire&ice if you can find it), and maybe even a clam or something to top it off.
Most clams are completely photosynthetic so they dont “require” feeding, but it can’t hurt. Zoa’s and Shrooms are some of the hardiest corals as well.
P.S. As a note on the clowns; Clown fish are sequential hermaphrodite, which means they change gender. So say you put two “males” together, one would ultimatly become a female, if they are a compatable, mateable couple.