The Fish Guru

Uncovering the Secrets of the Enigmatic Mekong Giant Catfish and Chinese High Fin Banded Shark

The Fascinating World of Sharks: Get to Know the Silver Apollo and Columbian Sharks

Sharks have been around for millions of years and are known for their impressive physical features and predatory nature. Even though they are often portrayed as terrifying creatures, they play an important role in the ocean’s ecosystem.

In this article, we will delve into two shark species that swim in our waters – the Silver Apollo and the Columbian Sharks.

The Silver Apollo Shark

The Silver Apollo Shark is a stunning saltwater aquarium fish that originates from the waters of Asia. They are known for their brilliant silver color that is accented with black spots and a bright dorsal fin.

In this section, we will explore the physical characteristics, diet, and habitat of this species.

Physical Characteristics

The Silver Apollo Shark is a sight to behold. They possess a striking silver color with black spots that make them stand out among other fish species.

Their fins are usually accented with a brilliant reddish-pink color, with the dorsal fin standing out prominently. This species of shark can grow up to 10 inches long, with females being slightly larger than males.

They are also known for their rapid movement, which is due to their crescent-shaped tail fin. In the wild, they can live for up to ten years, while those kept in captivity tend to live longer.

Diet and Habitat

The Silver Apollo Shark is an omnivore, meaning that it feeds on both plants and animals. In their natural habitat, Silver Apollo Sharks tend to feed on small fish, crustaceans, and shrimp.

They also enjoy consuming plant material such as algae and aquatic plants. In terms of habitat, Silver Apollo Sharks prefer to be in groups and thrive in aquariums that mimic their natural environment.

They require stable environments and prefer water with a slightly alkaline pH level. When kept in captivity, Silver Apollo Sharks require a minimum tank size of 120 gallons.

The Columbian Shark

Also known as the shark catfish, the Columbian Shark has a unique appearance with its whiskers and glittering color. In this section, we will explore its physical characteristics and unique features.

Physical Characteristics

The Columbian Shark has a glittering bronze color, with a gray underbelly. Their fins are positioned in the right places, giving them a streamlined look.

However, the most notable feature of this species is their whiskers, which are sensory organs that they use to detect prey.

The Columbian Shark can grow up to 24 inches in length, with their females being marginally larger than their male counterparts. They have small eyes, which they use to detect movement and changes in the surroundings.

Unique Features

The whiskers of the Columbian Shark are its most unique feature. Unlike most fish species, the Columbian Shark has two pairs of these sensory organs.

The whiskers are sensitive to touch and can detect prey that is too small to be seen by the naked eye. In their natural habitat, the Columbian Shark prefers to live in schools, often hiding during the day and emerging at night to feed.

They are known to be scavengers, eating anything from dead fish to plant material.


Sharks are some of the most fascinating creatures in the ocean. In this article, we have explored the physical characteristics, diet, and habitat of the Silver Apollo and Columbian Sharks.

Understanding their behavior can help people develop a deeper appreciation for these often-misunderstood animals. Regardless of how people feel about sharks, they play a crucial role in maintaining our ocean’s health and should be revered as gentle giants of the sea.

The Breathtaking

Bowmouth Guitarfish and Mighty

Sawfish: A Look at Their

Physical Characteristics and

Conservation Status

The underwater world is filled with an array of breathtaking shark and ray species. In this article, we will take an in-depth look at two of these unique species – the

Bowmouth Guitarfish and the

Sawfish – exploring their physical characteristics and conservation status.

Bowmouth Guitarfish

With its flat head, bowed mouth, and distinct dorsal fin, the

Bowmouth Guitarfish is a captivating species to observe. This subtopic will go into detail about its striking physical characteristics and conservation status.

Physical Characteristics


Bowmouth Guitarfish has a unique appearance that makes it stand out among other ray species. Its flat head and bow-shaped mouth are distinctive traits, while its dorsal fin has sharp spines that make it stand out.


Bowmouth Guitarfish also has a long tail that can help it move quickly through the water. On average, the

Bowmouth Guitarfish can grow up to 8 feet long and can weigh up to 300 lbs.

Their coloration is also remarkable, with a sandy brown color on the top and a pale underside.

Conservation Status


Bowmouth Guitarfish may be visually striking, but it is a critically endangered species. Habitat destruction, overfishing, and the demand for their fins and meat have caused a 50% population decline in the last 30 years.

In addition, their slow reproductive rate makes it difficult for them to recover from population declines. As a result, the

Bowmouth Guitarfish is protected under CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora), prohibiting international trade in specimens of this species.

Conservation efforts, such as reducing bycatch, establishing marine protected areas, and promoting sustainable fishing practices, are being implemented to protect this unique species from extinction.



Sawfish is an impressive species that boasts a long nose and sharp teeth. This subtopic will delve into its physical characteristics and conservation status, examining its cultural significance.

Physical Characteristics

With its elongated rounded snout, sharp teeth, and unique dorsal fin, the

Sawfish is an awe-inspiring creature. The jaws of a

Sawfish are one of the key reasons this species is so feared by other marine life.

Its dorsal fin is located far down the length of its body, extending to the top of its elongated snout.

Sawfish can grow up to 24 feet long, and their unique snout can make up a third of their body length. Their coloration is a mix of gray and brown, while their underside is lighter in color.

Conservation Status


Sawfish is considered an endangered species. Overfishing, habitat loss, and the illegal trade of their body parts are major threats to this species.

Sawfish are often caught unintentionally in fishing nets and are also hunted for their fins, which are regarded as a delicacy in some cultures. Despite their intimidating appearance,

Sawfish have significant cultural significance to many coastal communities.

They have been featured in art and stories for centuries and have played a notable role in the cultural heritage of some indigenous populations. Efforts to conserve the

Sawfish have been put in place.

In Australia, for example,

Sawfish are protected by the Fisheries Act, with heavy fines levied against individuals who hunt, harass, or trade

Sawfish. In addition, the species is also protected under CITES, further regulating international trade in all

Sawfish species.



Bowmouth Guitarfish and sawfish are just two of the many unique species that inhabit the world’s oceans. Like all sea creatures, they play a significant role in our ocean’s ecosystem and deserve to be protected.

The conservation statuses of these species, as highlighted in this article, demonstrate the need for incorporating sustainable fishing practices and protecting marine habitats. As humans, it is important that we educate ourselves about our impact on the ocean’s species, so we can take the necessary action to protect them.

Uncovering the Mystique of the Iridescent and

Golden Sharks

It is estimated that there are over 500 species of sharks, and researchers are constantly discovering new species. In this article, we will take a closer look at two relatively unknown shark species – the Iridescent and

Golden Sharks – exploring their physical characteristics, aquarium care, discovery, and habitat.

Iridescent Shark


Iridescent Shark is a freshwater fish species that is relatively popular in the aquarium trade. In this subtopic, we will delve into the physical characteristics of the

Iridescent Shark, focusing on their silvery color and unique fins and tail.

We will also discuss the aquarium care required for this species.

Physical Characteristics


Iridescent Shark is a bony fish; it has a silvery, elongated body, and its fins and tail can span almost half its length. Its dorsal fin is located closer to its caudal fin compared to most fish species.


Iridescent Shark’s scales reflect light, creating a unique iridescence. In some cases, the

Iridescent Shark can grow up to three feet long and weigh up to 44 lbs.

This species’ lifespan can extend up to a decade, making it necessary to provide them with appropriate care.

Aquarium Care


Iridescent Shark is not recommended for beginner aquarists because they grow large and require an enormous tank with strong water currents. A tank that holds at least 200 gallons is suggested for a single

Iridescent Shark.

For every extra

Iridescent Shark introduced, they require about 55 gallons in the tank. Therefore,

Iridescent Sharks are better suited for experienced fish hobbyists who are equipped with the necessary equipment to maintain a healthy aquatic environment.

Golden Shark


Golden Shark is an elusive species that was first discovered in the rivers of Thailand. This subtopic will explore its physical characteristics, namely, its translucent fins and golden hued body.

This section will also touch on the discovery and habitat of the

Golden Shark.

Physical Characteristics


Golden Shark’s most distinguishable feature is its golden hued body, which contrasts sharply with its translucent fins. This category of shark species grows up to about 18 inches long, with a flattened body and brow furrow-like barbells on the mouth’s corners.

Despite its name, the

Golden Shark is not biologically related to shark species but instead belongs to the carp family.

Discovery and Habitat


Golden Shark was discovered in 2012 in the river system of Chao Phraya, which spans through the central part of Thailand. The Thai locals named the

Golden Shark Pla kra dae nip, which translates to “the fish with golden wings.” The

Golden Shark prefers to dwell in the lower parts of rivers, and its unique color is assumed to have developed as a way of camouflage.

Conservation measures for the

Golden Shark are not yet known since it is a newly discovered species. Researchers have documented its habitat and discovered that the

Golden Shark is highly selective in the food it consumes, feeding mainly on insects, crustaceans, and small fish.

This selectivity of food is vital in creating a harmonic ecosystem in its habitat, proving the significance of newly discovered species to the environment.


In conclusion, the Iridescent and

Golden Sharks, despite their peculiarities, are an occurrence in the freshwater world that should be appreciated and cared for appropriately. The

Iridescent Shark’s light-reflective scales and unique body shape and the

Golden Shark’s translucent fins and unique golden hued body are qualities that make them worth learning about.

Additionally, further research and conservation measures on these relatively unknown species are vital to sustain the aquatic ecosystem.

Discovering the Unique Traits of the Bicolor and

Bala Sharks

Sharks are known for their unique physical features and predatory nature. In this article, we explore two species that bear similarities to sharks – the Bicolor and

Bala Sharks.

We will delve into their physical characteristics, behavior, diet, and size.

Bicolor Shark


Bicolor Shark is a freshwater fish species that has physical traits similar to a shark. In this subtopic, we will explore the physical characteristics of the

Bicolor Shark, with a focus on its black body and red-touched fins.

We will also discuss its behavior and size.

Physical Characteristics


Bicolor Shark has an elongated black body with red-touched fins, and its dorsal and caudal fins are located in the same position as on sharks. The

Bicolor Shark’s dark dorsal fin extends to their tail fin, giving them a unique appearance.


Bicolor Shark can grow up to six inches long, and their lifespan can extend up to a decade in captivity. Large water tanks with natural plants and hiding spots are recommended for the

Bicolor Shark to simulate their natural habitat and to help keep them healthy and happy.

Behavior and Size


Bicolor Shark is a territorial species and can be aggressive towards other fish species when they perceive their territory to be encroached. As such, they are better suited to be housed with other fish species that occupy the mid to upper levels of the tank.


Bicolor Shark is considered a relatively small fish, with an average length of four to six inches. They enjoy feeding on small organisms such as crustaceans, frozen fish foods, and worms.

For optimal health, these fish species require adequate swimming space and a balanced, healthy diet.

Bala Shark


Bala Shark, also known as the Silver Shark, is a tropical freshwater fish that bears a striking resemblance to sharks. In this subtopic, we will explore the physical characteristics of the

Bala Shark, with a focus on its peaceful temperament and black accents on its fins and tail.

We will also discuss its diet.

Physical Characteristics


Bala Shark possesses features that resemble sharks, including similarly shaped fins and eyes. The

Bala Shark has a long, silver-colored body, with black accents on its fins and tail.

Their dorsal fin is situated on their body’s back, just like a shark’s dorsal fin. The

Bala Shark’s most distinguishing feature is its peaceful temperament, with a playful personality.


Bala Shark can grow up to a foot long, making it one of the larger freshwater fish species in the aquarium trade.


Bala Sharks are omnivores, and their diet mainly comprises of vegetarian fish flakes, small fish, and shrimp. They enjoy a varied diet, and their feeding schedule should include both meaty and vegetarian options.

The fish species thrive in a community setting, and it is essential to choose tank mates that are compatible with their gentle temperament.


In conclusion, the Bicolor and

Bala Sharks bear similarities to sharks, making them desirable to aquarium enthusiasts. Their unique physical characteristics, behavior, and diet are remarkable and make them intriguing to watch.

The size and requirements for these fish species, coupled with their peaceful temperament, make them a popular species in the aquarium trade. It is essential to remember that responsible aquarium keeping involves providing appropriate care for these unique fish.

Exploring the Fascinating World of the

Mekong Giant Catfish and Chinese High Fin Banded Shark

The world is home to many fascinating fish species, with varying physical characteristics and habits. In this article, we will delve into two unique fish species, the

Mekong Giant Catfish and Chinese High Fin Banded Shark, exploring their physical characteristics, diet, size, and habitat.

Mekong Giant Catfish


Mekong Giant Catfish is a freshwater fish that is known for its enormous size. In this section, we will explore the physical characteristics of this species, specialized for its predatory nature, and talk about its diet.

Physical Characteristics


Mekong Giant Catfish is one of the largest freshwater fish species in the world, measuring up to 10 feet long and weighing over 650 pounds. Its body is streamline and muscular, with a large dorsal fin that allows it to maneuver swiftly in the water.


Mekong Giant Catfish is predatory and muscles powerfully through the water, capable of swimming for long distances.


Despite its predatory nature, the

Mekong Giant Catfish feeds primarily on plant material. They are

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