Invertebrate photo album

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Use the photo album to view pictures of the specimens offered for sale.  We do not carry stocks of all these specimens all the time, those currently available for delivery are listed on our current stock listing page. 

 

Algaes. Algae's are useful in the aquarium to lower nutrient levels once tied up in the algae's nutrients are no longer available to promote the growth of problem algae's, ie hair algae. They are also able to help reduce nitrate levels. In recent times more and more hobbyists are becoming aware of the benefits that come from keeping algae's in modern reef aquariums. It is difficult to grow many of the specimens in the main tank with many herbivores present. Many now use the sump as a refugium to grow and cultivate algae species. 
Common name Scientific name Picture Comments
Macro coralline algae leaf   macro algae leaf.gif (47497 bytes) Plant in the sand bed.
Turtle grass   A true tropical sea grass
Shaving brush   pompom algae.gif (30552 bytes) Plant in the sand bed.
Spaghetti algae Chaetomorpha A stable fast growing stable nutrient export algae. Great for use as a herbivorous fish feed. High tolerance to salinity and temperature variations allows successful culture in old waste water under the sun in your back yard.
Macro coralline algae Halimeda sp. Macro coraline algae.gif (38070 bytes) Plant in the sand bed.
Saw tooth algae Caulerpa serrulata This group of algae's are fast growing hence good for nutrient export. They are vulnerable to volatile water chemistry we advise not to add them to new aquariums. Wait till the aquarium is stable and has a more mature water chemistry.
Sea grapes  Caulerpa racemosa
Paddle weed  
   
Dragons tongue Halymenia floresii red algae.gif (31307 bytes)

 

Cephlopods. Rewarding for those who make the effort to ensure they do cater for the needs of these animals. No other marine animals able to be kept in home aquaria have the character and personality of this group. Research very carefully each individual species make sure you set up the correct home and can cater for the animals needs.
Common name Scientific name Picture Comments
Small reef cuttle fish   If you are prepared to make the effort, to set up a aquarium specially for one of these guys you will be rewarded. Very interesting behaviour and loads of personality. They can also be collected and shipped as eggs for you to raise yourself!

 

Clams. Clams exhibit huge variety in coloration and quality to be sure ask us for a pic of the specimens we have in stock before you order.
Common name Scientific name Picture Comments
Blue squamosa Tridacna squamosa blue sqamosa.JPG (186272 bytes) Info.

 

Spotted squamosa Tridacna squamosa spotted sqamosa.JPG (215736 bytes)
Tiger Tridacna squamosa tiger pattern.JPG (170157 bytes)
Aqua Tiger Tridacna squamosa
Maxima clam Tridacna maxima
Maxima clam Gold spots Tridacna maxima
Maxima clam green Tridacna maxima
Maxima spotted Tridacna maxima

 

Crustaceans. Be sure you know what these animals eat before you put them into your aquarium. Most crustaceans are omnivores meaning they may demolish macro algae, eat fishes, or live corals.
Common name Scientific name Picture Comments
Anemone shrimp Peniclimenes brevicarpales Happy to live in most anemones or if no anemone is available will host in stony corals. Pass food directly to the shrimp from time to time to ensure that they are getting sufficient nutrition. Only keep in mated pairs as supplied by the collector.
Anemone crab Neopetrolisthes sp. anemone crab.gif (33444 bytes) Happy to live in most anemones or if no anemone is available will host in stony corals. Pass food directly to the crab from time to time to ensure that they are getting sufficient nutrition. Only keep in mated pairs as supplied by the collector.
Green marine hermit crab   green hermit.gif (75583 bytes) These guys may eat coral polyps and catch and kill fish.
Megistos hermit Dardanus megistos megistos.gif (64454 bytes) Reputed to control aptisa anemones. Take care any large crab should be suspect for what it may eat.
Pink anemone crab Dardanus sp. pink ane crab.gif (52366 bytes) Carries around small anemones on its shell. Good for a curiosity in a predator tank ,etc, but not suitable for reef community tanks.
Janitor hermits   janitors.JPG (190696 bytes) Make sure when purchasing janitors that they are, reef safe and small growing. Many currently sold as janitors are neither. We select only one reef safe species. They are constantly cleaning up uneaten foods, picking the rock work clean of algae hair, slime, etc. This gives coralline algae the best chance to get a foot hold. We find these guys are one of the best additions to enhance the function of your mini ecosystem. One warning, mantis shrimp and some wrasse love to eat them!

Perform clean up of un eaten food dead and decaying matter. Plus also are excellent algae control one of the few animals great at eating Briopsis algae.

Decorator / Spider crab   dec crab.gif (33877 bytes) More often kept in a system with other curious critters rather than a reef tank. They have a habit of decorating themselves with all your lovely invertebrate specimens.
Two spined burrowing sand crab  Mafuta planipes two spine sand crab.gif (28802 bytes) Heavy duty maintenance for the sand bed, great for predator tanks or larger aquariums.
Slipper lobster   sliper lobster.gif (28205 bytes)
Coral banded shrimp Stenopus hispidus Coral banded shrimp.JPG (187180 bytes) One of the all time classic aquarium inverts. We have heard much discussion as to if they will attack and kill fish. All we can say is after many years with numerous pairs and singles we have never personally ever had a problem with one.
Peppermint shrimp (Peppy's) Lysmata vitata peppermint shrimp.JPG (146603 bytes) For aptisa anemone control. To date we have sold many 1000's of specimens not one complaint (yet). We have received very positive feed back from customers as to their effective control of aptisa anemones. further info

 

Cucumbers. Many swear cucumbers are bad for the aquarium they are toxic and will cause the dreaded tank crash.

At Oceanarium we have kept many specimens they have been crushed under misplaced rocks and left to rot until being found latter, they have spawned in our tanks, have been macerated in pumps, they have spewed out there intestines in our tanks due to thermal shock in shipping  never have we seen any detrimental effects from them.

Now we are not saying they are totally safe we just wonder do all species deserve such a reputation. perhaps the problems lie with specific species? We have encountered customers who had the dreaded tank crash saying ......... I had a cucumber it must have done it. But on further discussion this conclusion is only drawn from the reputation of the cucumber not any direct evidence.

We will state that Pseudocolochiris violaceus is reputed to have toxic eggs to fish who eat them. We have never witnessed one of this species spawn in our own aquariums.

Common name Scientific name Picture Comments
Burnt sausage    For maintenance of the sand bed.
Caterpillar sausage   Toxic !!
Pink sea apple   pink sea apple.gif (28549 bytes)  
Sea apple  Pseudocolochiris violaceus violet sea apple.JPG (141506 bytes)  

 

Jellyfish. Most jellies are not suitable for home aquaria. Special aquarium systems need to be set up to keep them.
Common name Scientific name Picture Comments
Up side down jellyfish Cassiopea The best jelly to keep in home aquaria. Can be ideally suited to a fuge of suitable design. These jellies have zooxanthathlae algae much like our corals. they spend much of the time lying upside down on the sand bed.

Return pipes and or any pumps need to be filtered or diffused to prevent damaging the animals.

 

Mangroves. See our article for more detail Mangroves for the aquarium.
Common name Scientific name Picture Comments
Mangrove small Ceriops tagal mangrove root stem small.gif (39551 bytes) The short height makes these plants more suitable for sumps under the main aquarium or where other height restrictions are.
Mangrove large Rhizophora stylosa mangrove root stem large.gif (20004 bytes) The height of these plants can be helpful when planting in deeper water.

 

Sea stars. Caution most sea stars are carnivores.
Common name Scientific name Picture Comments
Brittle star Ophiarachnella brittle star.jpg (58309 bytes) Good for tank clean up, detrital feeder.
Yellow feather star Comantheria sp featherstar yellow.gif (56883 bytes) Feather stars are filter feeders. These types have done well in our systems longer term. We have had little success with other feather stars we no longer collect them.
Green feather star Comantheria sp featherstarr green.gif (54872 bytes)
Red feather star Comantheria sp featherstar red.gif (60705 bytes)
Red pillow star   red pillow star.gif (51228 bytes) Will eat coral polyps. Recommended for fish only systems. Feed small pieces prawn fish or frozen fish food.
Green bubble star   Green bubble star.gif (33177 bytes)
Long arm star Linkia sp. long arm star.gif (48561 bytes) Good reef star.
Sand sifting stars  Astropecten sp. sand sifting star.gif (26614 bytes) A real beneficial animal to have in the aquarium. Helps prevent nutrient build up in the sand bed and also performs clean up duties. Will live beneath the sand bed arising when the smell of food attracts its attention. They clean up any food scraps at feeding time and return to the sand bed. A warning though, some established deep sand beds that have not had sufficient life within may not be working properly this can lead to an excess of harbored nutrients. Expect nitrate spikes and possible algal blooms in this situation, be prepared to do extra water changes until this subsides. Recommended stocking rate of 3-4 per mē substrate.

(Edit note and warning 7/2006) Keeping these stars with the small cerith snails has implicated in mortalities of the cerith. We are watching trying to learn what is happening ........

Orange spotted star Nardoa novaecaledoniae orange spotted star.JPG (202315 bytes) Safe with stony corals may eat soft corals and sponge.

 

Sea urchins. Herbivores can be useful in controlling algae.
Common name Scientific name Picture Comments
Long spine sea urchin Diadema sp. long_spined_urchin.gif (72555 bytes) A good urchin that does not tend to bulldoze around too much, keep to smaller specimens. Watch out for their spines when poking around in the aquarium.
Pencil urchin Prionocidaris sp. pencil urchin.gif (46925 bytes)  
Short spine sea urchin  Diadema sp. sea urchin.gif (15962 bytes)  
Red banded collector sea urchin Salmacis belli red banded sea urchin.gif (37965 bytes)  
Collector urchin ? collector urchin.JPG (212127 bytes) Good on controlling brown macro algae's

 

Snails. Used to control algae and detritus for tank maintenance.
Common name Scientific name Picture Comments
Astrea snails Astrea snails These snails are good all round algae eaters the flat profile means less bumped corals.
Trochus snails  Trochus sp. algae snails.JPG (187305 bytes) Good for algae control on the aquariums glass.
Turbo snails Turbo sp. More inclined to eat brown algae and thicker tufts of hair algae.
Cerith snails Cerith sp Detritus and general algae control good overall preference for many slime (diatom) algal species plus being smaller don't knock over coral specimens. Will readily reproduce naturally in the aquarium. Further info

 

Sponges. Most sponges don't do very well in aquariums set up as a general reef. No skimming is best as a skimmer quickly depletes a sponges nutritional requirements. We typically collect these animals by request.
Common name Scientific name Picture Comments
Red sponge with colonizing anemones Trikentrion flabelliforme red sponge and anemones.gif (49178 bytes) Place in a good current flow to encourage the colonizing anemone polyps to open and feed.
Red tree sponge   red tree sponge.gif (19788 bytes)  
Red fan sponge   red fan sponge.gif (33256 bytes)  
Orange finger sponge   orange finger sponge.gif (56702 bytes)  

 

Worms.
Common name Scientific name Picture Comments
Ribbon worm   ribbon worm.gif (24194 bytes) Pumps need to be filtered to prevent the worm from being sucked through. Filter and detritus feeders.
Feather duster worm colonising   Great for remote deep sand bed filters, the worm catch and eat particulate matter aiding the filtration process.
Feather duster worm Sabela sp. feather duster worm.JPG (857210 bytes) Great specimen, supplemental feeds from invertebrate formula is beneficial when water is highly polished. Use a syringe to squirt the food direct to the mouth parts.
Tube worm   tube worm.gif (32170 bytes) Will need supplemental feeds from invertebrate formula. Use a syringe to squirt the food direct to the mouth parts.