
These are some food that you can try feeding your Iridescent Sharks:
- Blood worms
- Tetras
- Guppies
- Smelts
- Salmon
- Tuna
- Prawns
- Brine shrimp
- Crickets
- Live fishes
- Scallops
- Pumpkin squash
- Cucumbers
- Lettuce
- Kale
What do I Feed my iridescent shark?
With naturally-blooming algae or algae wafers, seed plants, zooplankton, small insects, and tropical flake or pellet foods your juvenile iridescent shark should be healthy and have a well-rounded diet. As they age and become adults, they will also accept small fish, certain fruits, and crustaceans as well.
What do you feed a red tail shark?
If you want to give your red tail shark a bit of a treat, you can always feed them some frozen foods such as frozen brine shrimp, blood worms, and daphnia. Red tail shark food is not something that you can really find, unlike goldfish or Betta fish food.
Are iridescent sharks easy to care for?
While iridescent sharks are fun and exciting animals to own, they’re not for everyone. Iridescent shark care is interesting. It’s actually rather manageable when it comes to their actual water parameters, food, and tank mates. The biggest thing you need to deal with is their size. As we’ve already established, these fish can get quite big.
What are the best iridescent shark tank mates?
The best iridescent shark tank mates are peaceful fish of similar size. Anything much smaller might get mistaken for a snack (which you don’t want). Since these are peaceful and shy fish any aggressive fish are to be avoided as well. Iridescent sharks don’t have the gumption to fight back or defend themselves which can make them easy targets.

What do wild iridescent sharks eat?
It has also been introduced into other river basins as a food source, and its striking appearance and iridescence have made it popular with fishkeeping hobbyists, among whom it is also known as the Siamese shark catfish or sutchi catfish. The swai's omnivorous diet consists of crustaceans, other fish, and plant matter.
What should I feed my rainbow shark?
What Can I Feed My Rainbow Shark? Rainbow sharks will feed on most common fish foods, including pellets, flakes and algae wafers. As they are primarily bottom feeders, you should ensure that these foods sink to the base of your tank.
How do you make iridescent sharks grow faster?
0:044:02How to grow shark fish faster . - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the first trick is put your fish in a larger tank. So while putting your fish in a larger tankMoreSo the first trick is put your fish in a larger tank. So while putting your fish in a larger tank won't automatically make them grow faster.
Do rainbow sharks eat tropical flakes?
Caring for Your Shark. Feed it a diverse diet. Rainbow sharks are omnivorous and can and should eat most anything. Sharks will eat any common fish food, including pellets, flakes and algae wafers, as long as it sinks to the bottom of the tank.
Can rainbow sharks eat bloodworms?
Diet also include lettuce and spinach. They will also eat frozen bloodworms and brine shrimp.
How big can iridescent sharks get?
Iridescent Sharks At a GlanceTank size:300 gallons (1136 l) for ONESchool size:at least 4Temperature:72-79°F (22-26°C)Lifespan:up to 20 yearsSize:3-4 feet (0.9-1.2 m)5 more rows•Aug 23, 2021
How quickly do iridescent sharks grow?
– Growth Rate Most iridescent sharks will be around two to four inches when you buy them. Their growth rate is actually very fast compared to most other fish, especially if you give them a huge tank and a meaty diet filled with protein. In that case, you will see them reach around a foot of length within a year.
How long do iridescent sharks live?
Iridescent Sharks can live for 15 to 20 years in captivity, but the sad truth is the majority of young fish only survive for a few years due to inadequate conditions. Cramped aquariums, aggressive tank mates, dirty water and poor diets all take their toll on these sensitive catfish and reduce their lifespans.
How many rainbow sharks should be kept together?
Keep at least five rainbow sharks together, so the dominant ones have multiple rivals to chase around. Introduce them when they're juveniles. Each rainbow shark needs at least a meter of separated territory.
Will a rainbow shark eat other fish?
General Behavior and Temperament In their natural habitat, rainbow sharks are rather passive and do not really prey on other fish or aquatic animals.
Do rainbow sharks eat plants?
Similar to other bottom dwellers, Rainbow Sharks are omnivores. This means they will eat both plants and prey. In the wild they scavenge for food and primarily eat decaying plants and algae.
What fish can you put with a rainbow shark?
Originally from the Congo river in Africa, the Congo tetra joins the bettas and goldfish in the category of some of the most popular fish species among hobbyists. Just like rainbow sharks, Congo tetras prefer soft water as well, and this makes them great tank mates for rainbow sharks.
Species Overview
Iridescent Sharks have a few other names, such as Siamese Sharks, Sutchi Catfishes, and Iridescent Catfishes.
Appearance
Just like their name, Iridescent Sharks have a shiny appearance. Even if you’re not fond of freshwater sharks, they are sure to turn a few heads in a home aquarium. They are simply magnificent.
Size
We mentioned earlier that Iridescent Sharks can get quite large depending on how you care for them at the aquarium. And truly, a typical pangasius catfish will have an average size of 3-4ft in optimum growth.
Iridescent Shark Care
Iridescent Sharks are fun to watch. They also have precise care requirements, and keeping them at home should be effortless if you master all the care guidelines.
What Do Iridescent Sharks Eat?
For the Iridescent Shark diet, choosing a variety is always better than restricting them to one meal.
Behavior & Temperament
Don’t worry about their “shark” given name. Iridescent Sharks are neither aggressive nor man-eating.
Iridescent Shark Tank Mates
Iridescent Shark’s best tank mates should be peaceful species that at least match their size. Introducing smaller fish to the aquarium will be like giving these fish their favorite snack, which they will eat happily.
What to feed juvenile iridescent sharks?
With naturally-blooming algae or algae wafers, seed plants, zooplankton, small insects, and tropical flake or pellet foods your juvenile iridescent shark should be healthy and have a well-rounded diet.
How many gallons of water do iridescent sharks need?
The iridescent shark can be kept relatively happily in a 60-gallon aquarium, but since they prefer to school, you will likely need an aquarium or aquatic space that is at least 40 feet in length, or 300 gallons or more.
What is an iridescent shark?
Iridescent sharks (previously Pangasius hypophthalmus, currently Pangasianodon hypophthalmus) are a species of large, freshwater catfish. Which probably seems strange if you only know them as iridescent sharks. In fact, they are also commonly known as Sutchi catfish, Pangasius catfish, and striped catfish. Iridescent sharks aren’t actually ...
How long do iridescent sharks live?
These fish can grow to be between 3.3 and 4.3 feet in length. They can live for approximately twenty years if given the proper space and a relatively stress-free environment.
What is the best treatment for catfish infection?
An easier solution is to use treatments such as Pimafix or Melafix to treat your infected tank, depending on appropriateness, if iridescent sharks are in the tank.
Why is the lateral line important for sharks?
The lateral line should be pointed out because it is actually a sensory organ. It’s full of nervous tissue that is used to help the fish detect changes in the water, and may help them identify potential threats. By the time they are adults, iridescent sharks are actually a fairly uniform gray color.
What does it mean when a shark moves?
What this means is that when it moves, the scales can sometimes reflect light in different colors or may simply appear particularly shiny.
How many gallons of water do you need for a Siamese shark?
A dazzling shark needs a nice large tank to swim in, and you should give these fish an aquarium of at least 300 gallons. This should make it clear that the Siamese shark is not suitable for regular small aquariums.
What temperature should I use for a dazzling shark tank?
As long as you have a generous tank with plenty of room for your fish, water at 72-79 degrees (F), water at pH 6 and above, your dazzling shark needs more than just high quality food and nutrition, a clean tub, and proper tub mates.
What happens when a fish is scared?
Sometimes, and mostly when scared, it’s a fish that chooses to pretend it’s dead. When your fish are swimming in the water, double-check that they’re not just pretending to be them take out of the water.
Do iridescent sharks get along?
If you have fish like the iridescent shark, we recommend having more than one as they are used to living in pairs or groups in the wild and usually do not get along well on their own.
Can sharks swim in an aquarium?
There is undoubtedly still a lot to be done to have dazzling sharks in your aquarium, but the biggest challenge is providing them with a large enough tank that is just the right size to swim and thrive.
What do iridescent sharks eat?
When they are juveniles, these fish tends to eat food that is meat-based and alive.
Why are iridescent sharks called sharks?
They are called sharks, however, because of their similar body shape and a distinctive dorsal fin that makes them resemble the ocean-dwelling namesake.
Why are swai fish so popular?
They’re also a migratory species, which means they swim upstream to spawn and then return to lower waters with their young. And while these tropical freshwater fish are popular for aquarists, they are raised and fished for food, thanks to their size and affordability. They are known as swai in grocery stores.
Do catfish need water?
The key to ensuring your fish are both healthy and happy, they need their water to be clean. This is complicated by Iridescent catfish being a messy fish that needs a strong filter.
How big of a tank do sharks need?
Tank Size. When fully grown you’ll want at least a 300-gallon tank for an iridescent shark. This will give them enough room to swim freely and be comfortable. Some owners keep these fish in smaller tanks when they initially get them and gradually transition them to larger and larger tanks over time.
How to tell if a shark is iridescent?
When determining if an iridescent shark is a male or female the biggest thing to look for is their size. Females are a bit wider and less streamlined than males.
How long do iridescent sharks live?
Lifespan. The lifespan of an iridescent shark is upward of twenty years. This is another reason why understanding their size and growth rate is so essential. These are fish that can live a very long time if you provide them with the right environment.
What is an iridescent catfish?
Iridescent catfish are rather interesting looking animals. While some people think of many catfish as being a little uninspiring in the aesthetics department, it’s hard to argue with the unique look you find with these fish!
Is it hard to care for an iridescent shark?
If you’re someone who’s not deterred by large tanks and massive fish, this will be a great choice for you. They’re also not as difficult to care for as you might think. In fact, iridescent shark care is 90% about providing them with enough space to feel comfortable.
Can iridescent sharks breed in the wild?
These fish need very specific conditions in order to breed and they can only be found in the wild.
Do iridescent sharks have dark skin?
Iridescent sharks also have very dark shiny skin when they’re younger. As they grow older their skin becomes less shiny and transitions into a dark, solid grey. This can sometimes confuse people who see them as adults and lead to misidentification. These fish have long barbels that give them the classic “catfish” look.

Basic Information
Background
Appearance
Behavior
Tank Conditions
Plants and Vegetation
Maintenance and Care
Iridescent Shark Diseases
Food and Diet
- Like most catfish species, the dazzling shark prefers a varied diet. It is, therefore, advisable to provide foods that stimulate the natural desire for food. The iridescent shark is an omnivore, which means that it eats both meat and vegetable foods. Some studies seem to show that while the dazzling shark is young, they tend to eat more meat and th...
Iridescent Shark Tankmates