Platax orbicularis

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Facts
Latin name Platax orbicularis - (Forsskål, 1775)
Local name Orbicular batfish
Family Ephippidae - Platax
Origin East Indian Ocean, West Indian Ocean, Australia, Japan, The Red Sea, Indonesia, East Pacific, Central/West Pacific
Max length 60 cm (23,6")
As aquarium fish
Minimum volume 2000 cm (528 gal)
Hardiness Average
Suitable for aquarium Suitable with care
Reef safe Not reef safe
Aggressiveness Mostly peaceful but might be aggressive towards similar species
Feed
Recommended Macroalgea (Eg. seaweed / nori)
Small crustaceans (Krill, mysis, artemia...)
Larger crustaceans (Shrimp, crabs...)
Other invertebrates
Maybee Soft coral
Large polyp stone coral (LPS)
Small polyp stone coral (SPS)
Beware of
Can be a threat to anemones

This species likes eating anemones.

Threat towards crustaceans

This species poses a threat towards shrimps and crabs etc., which are relatively small.

Subsceptible to ich

This species is easily susceptible to Marine Ich (Cryptocaryon irritants), when stressed by other fish, bad water quality, or when relocated.

Keep in mind
Requires a varied diet

This species must be fed with an appropriately varied diet.

Heavy load

This species eats a great deal and demands an aquarium that can tolerate such a heavy load.

Likes to hide at first

These fish may well hide themselves for a while, whilst getting acclimatized.

Do not disturb the fish while acclimating because it will prolong the process.

Overhangs and caves

This species thrives best in an aquarium with overhangs and caves. 

Requires plenty of space for swimming.

This species revels in swimming and requires an aquarium with ample space.

Initially shy

This species can be very shy when first introduced into a new aquarium.

More aggressive fish can be introduced after this species has acclimatized.

Descriptions and further reading
Genus description (Platax)

Batfishes are not well suited to coral aquaria, as they pose a threat to shrimps, anemones, corals and other invertebrates.
They grow fairly quickly, a small fish can grow to be 25 cm in height within a couple of months. 

These fish will begin eating quickly, with the exception of Platax pinnatus, but will sometimes hide for a few days after being transported.
Be careful when catching the fish as their fins are easily damaged.

Batfishes should be fed with both algae based foods and different types of frozen food or seafood.

Family description (Ephippidae)

Many Spadefish cannot adjust to captivity and become much too big, but several species of the Batfish (Platax genus) can be kept in a large aquarium. 

FishBase
Aquarium trade Yes
Distribution Indo-Pacific: Red Sea and East Africa to the Tuamoto Islands, north to southern Japan, south to northern Australia and New Caledonia. Recorded off the coast of Florida in the Western Central Atlantic (Ref. 51238).
English common names Round batfish
Copper batfish
Orbicular batfish
Orbiculate batfish
Batfish
Circular spadefish batfish
Circular batfish
French common names Feuilles de palétuviers
Platax rond
Poule d'eau
Poisson chauve-souris orbiculaire
German common names Fledermausfisch
Danish common names Almindelig flagermusfisk
References and further reading