15 Fin-tastic Facts About Pinnate Spadefish For Kids

Pinnate Spadefish facts are amazing

The pinnate spadefish (Platax pinnatus) is a large-sized species of fish. Some common names for this fish include the pinnate batfish, dusky batfish, shaded batfish, or the red-faced batfish. Juveniles of the pinnate batfish are extremely beautiful and have a brightly colored body, with an outline that is crimson or orange. The body of an adult is silver in color and begins to fade when they get older. The pinnate batfish because of its peace-loving behavior and gentle nature, easily falls prey to other aggressive fish. The diet of the pinnate batfish includes algae, other invertebrates, and seaweed, and corals. It belongs to the family of Ephippidae. The size of an adult pinnate batfish is 18 in (45 cm). The conservation status of this fish is not yet known. They can be found in many household tanks or aquariums. However, they require extensive care and should be kept under the care of experienced hands.

Keep on reading to know more about pinnate spadefish and check out these milkfish and codfish facts for more.

Pinnate Spadefish

Fact File

What do they prey on?

Algae, invertebrates

What do they eat?


Average litter size?


How much do they weigh?

3-10 lb (1.4-4.5 kg)

How long are they?

18 in (45 cm)

How tall are they?


What do they look like?

Brown, black, and silver

Skin Type


What are their main threats?

Larger aggressive fish

What is their conservation status?


Where you'll find them

Saltwater, tanks


Western Pacific





Scientific Name

Platax pinnatus





Pinnate Spadefish Interesting Facts

What type of animal is a Pinnate Spadefish?

The pinnate spadefish is a species of fish. Its scientific name is  Platax pinnatus.

What class of animal does a Pinnate Spadefish belong to?

The pinnate spadefish belongs to the Actinopterygii class of animals.

How many Pinnate Spadefish are there in the world?

The population of this species is not yet known. However, b0th adults and juveniles can be found in large-sized aquariums or tanks in many households across the world.

Where does a Pinnate Spadefish live?

The pinnate spadefish (Platax pinnatus) can be found throughout the Western Pacific ocean.

What is a Pinnate Spadefish's habitat?

The pinnate spadefish can be found in household marine aquariums along with other species of fish. This species of fish can be found both in saltwater as well as brackish water habitats.

Who do Pinnate Spadefish live with?

The pinnate spadefish can be found living alone as well as in large groups. This species of fish are social by nature and peace-loving creatures. Their peaceful behavior often lands them in trouble, where other species of fish bully them. A juvenile pinnate spadefish should never be kept with other aggressive species of fish in the same aquarium.

How long does a Pinnate Spadefish live?

The lifespan of the pinnate spadefish also known as the pinnate batfish ranges from 5-12 years.

How do they reproduce?

The exact reproduction procedure for this species of fish is not exactly known. However, most fish, in general, reproduce through the process of external fertilization, wherein the eggs are released in the water by the females, to be fertilized by the females.

What is their conservation status?

The conservation status of the pinnate batfish is not yet registered under the International Union for Conservation of Nature.

Pinnate Spadefish Fun Facts

What do Pinnate Spadefish look like?

Pinnate Spadefish are omnivorous.

The appearance of the pinnate spadefish or the pinnate batfish changes as they age. A juvenile pinnate spadefish has brown or black color, and the outline of its body is crimson or orange, giving it a beautiful look. Adults are generally more silver in color and their dorsal and anal fins are covered with a yellow tinge of color. They have disc-shaped bodies.

How cute are they?

The pinnate spadefish is extremely beautiful. Juveniles are especially cute and beautiful to look at, given the unique coloration on their bodies. Also, this species is extremely docile by nature and social with other species of fish, which makes them such a loving pet.

How do they communicate?

The exact communication process used by this species is not yet known. Most fish in general, communicate with each other through a variety of body movements and emitting different forms of sounds.

How big is a Pinnate Spadefish?

The size of an adult pinnate spadefish is 18 in (45 cm). Adults are larger than the dwarf minnow which is the smallest fish.

How fast can a Pinnate Spadefish move?

The exact speed of the pinnate batfish is not yet known. They are known to be slow-moving because of their large body and they do well with other fish species.

How much does a Pinnate Spadefish weigh?

The exact weight of the pinnate batfish is still unknown. However, the average weight of these fishes is between 3-10 lb (1.4-4.5 kg).

What are their male and female names of the species?

There is no gender-specific name for the pinnate batfish or any other species of fish in general. Males are called male pinnate batfish and females are called female pinnate batfish.

What would you call a baby Pinnate Spadefish?

A baby pinnate spadefish or pinnate batfish is called a fry.

What do they eat?

The pinnate batfish is omnivorous by nature. Their diet includes zooplankton, jellyfish, and algae as well as corals and reefs.

Are they poisonous?

No, the pinnate spadefishes are not poisonous. They are extremely docile by nature and do well in tanks with other fish. However, many times, because of their peace-loving nature, they get bullied by other fishes and therefore should not be kept together with aggressive species of fish.

Would they make a good pet?

The pinnate batfishes are kept as pets in many households. However, they need to be looked after properly, or else, their chances of surviving in the foreign environment reduce drastically. A lot of effort is required when keeping this species as a pet. They should be kept in large water tanks with a good depth of water to move comfortably. Also, apart from the adequate depth and size of the tank, it should be filled with caves or overhang structures, where the pinnate batfish can hide in the face of danger.

Did you know...

One of the most unique features of the pinnate batfish is their transition as they reach adulthood. From a side-angle view, juveniles give off the look of a bat with outstretched wings, which is the primary reason why they are called batfishes. However, as they slowly grow into adults, they lose their shape and look more like a spade, which is why they are also called the pinnate spadefish.

The pinnate batfish is an extremely expensive species of fish. The price ranges from  $70-$170 per fish. Juveniles have unique coloration, which tempts every fish lover to catch hold of one. However, being so beautiful to look at, they are also very hard to maintain.

Do humans eat them?

Reports of humans eating the pinnate batfish are rare and uncommon. They are usually kept as display fishes in tanks because of the brightly colored bodies that the juveniles possess.

Do they bite?

The pinnate batfish is extremely peace-friendly and does not show any form of aggression. In the face of danger, they hide away in dark places to protect themselves. For this reason, they become the prime target of bullies. However, reports of humans getting bitten by this species is not yet known. These algae eaters can usually be found in tanks or aquariums, where they are kept as a pet.

Here at Kidadl, we have carefully created lots of interesting family-friendly animal facts for everyone to discover! Learn more about some other fish including pumpkinseed sunfish facts and suckerfish facts.

You can even occupy yourself at home by drawing one on our pinnate spadefish coloring pages.



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