Introduction Wallago attu, commonly known as the freshwater shark or wallago catfish, is a large, predatory catfish species belonging to the family Siluridae. Native to South and Southeast Asia, this fish is characterized by its elongated body, large mouth with sharp teeth, and prominent barbels. Its significant size and predatory nature make it a dominant […]
Introduction The genus Clarias consists of air-breathing catfishes, widely recognized for their ability to survive in extreme aquatic environments and traverse land. Native to Africa and Asia, species like Clarias batrachus and Clarias gariepinus are resilient, making them vital to ecosystems and aquaculture. Their unique adaptations have made them a focus of ecological studies and
Introduction Labeo rohita, commonly known as rohu, is a freshwater fish of the carp family (Cyprinidae). It is native to rivers, lakes, and ponds in South Asia and is one of the most important aquaculture species in the Indian subcontinent. Renowned for its commercial value, rohu is a popular food fish due to its rich
Introduction The bronze featherback (Notopterus notopterus) is a freshwater fish native to South and Southeast Asia, inhabiting rivers, lakes, and swamps. Recognizable by its elongated, laterally compressed body and silvery-bronze coloration, it holds ecological significance and faces conservation challenges. Classification of Notopterus (Chitala) Geographical distribution Habit and habitat General Characteristics of Notopterus (Chitala) Ecological Importance
Introduction The northern pike (Esox lucius), commonly known as pike, is a predatory fish native to freshwater bodies across the Northern Hemisphere, including North America, Europe, and parts of Asia. Recognizable by its elongated body, sharp teeth, and distinctive coloration, the pike is both a valued game fish and a significant ecological player in aquatic
Introduction The Atlantic salmon (Salmo salar) is a species of ray-finned fish in the family Salmonidae. It is the third largest of the Salmonidae and can grow up to a meter in length. Atlantic salmon are anadromous, meaning they begin their life in freshwater, migrate to the ocean to feed and grow, and then return
Classification of Lepidosteus (Garpike) Geographical distribution Habit and habitat General Characteristics of Lepidosteus (Garpike) Lepidosteus, commonly known as gars, is a genus of ancient ray-finned fishes belonging to the family Lepisosteidae. These fish are native to North and Central America and are typically found in freshwater rivers, lakes, and brackish waters. Gars are known for
Classification of Amia Calva | Bowfin Geographical distribution Habit and habitat General Characteristics of Amia Calva | Bowfin Amia calva, commonly known as the bowfin, is a primitive freshwater fish native to North America. It is the sole surviving member of the family Amiidae, an ancient lineage that dates back over 150 million years. Bowfin
Classification of Acipenser (Sturgeon) Geographical distribution Habit and habitat General Characteristics of Acipenser (Sturgeon) Acipenser is a genus of fish within the family Acipenseridae, commonly referred to as sturgeons. These ancient fish are often called “living fossils” due to their evolutionary history, which dates back over 200 million years. They are primarily found in freshwater
Classification of Polyodon (Paddle Fish) Geographical distribution Habit and habitat General Characteristics of Polyodon (Paddle Fish) Ecological Importance Conservation Status Special features Identification
Classification of Polypterus (Bichir) Geographical distribution Habit and habitat General Characteristics of Polypterus (Bichir) Ecological Importance: Conservation Status: In summary, Polypterus species are ecologically significant as both predator and prey, contributing to the health and balance of freshwater ecosystems. While many species are not currently at high risk, habitat degradation and human activities could threaten
Classification of Chimaera (Rat Fish) Geographical distribution They inhabits the European coasts from Norway to Portugal, Japan and North America. Upper Devonian to Recent. Habit and habitat It is found at the depth of 350 to 2200 metres and eats fish, invertebrates and seaweeds. General Characteristics of Chimaera (Rat Fish) Economic importance The Ratfish, also
Classification of Myliobatis (Eagle Ray) Geographical distribution Myliobatis is found in tropical and sub-tropical regions, in Mediterranean andeastern and southern coast& of England. Upper Jurassic to Recent. Habit and habitat Myliobatis is found in sea water. It is viviparous and carnivorous. It feeds on small organisms, crustaceans and molluscs. General Characteristics of Myliobatis (Eagle Ray)
Classification of Trygon (Dasyatis) Geographical distribution Trygon is abundantly distributed in tropical regions of the Atlantic and Pacific Oceans. It has been reported from India, Japan, China, North America, Australia and South America. Upper Jurrassic to Recent. Habit and habitat Trygon is found lying quietly on the sea bottom. It occasionally swims to change the
Classification of Skate Fish Geographical distribution Skate fish is found in almost all temperate sea waters. Most of the species belonging to the genus Raja are abundantly distributed in northern hemisphere, Arctic and Antarctic regions. Upper Jurassic to Recent. Habit and habitat Skate fish is marine, sluggish, bottom-dwelling fish. It is carnivorous, feeding on small
Classification of Rhinobatus (Guitar Fish) Geographical distribution Rhinobatus has been reported from west coast of Africa, Indian Ocean, Australia, China, Atlantic and Pacific coasts of America and Galapagos. Mostly distributed in tropical and sub-tropical seas. Upper Jurassic to Recent. Habit and habitat It is a bottom dweller. General Characteristics of Rhinobatus (Guitar Fish) Economic importance
Classification of Pristis (Saw Fish) Geographical distribution Pristis is found in tropical and sub-tropical regions. Indian form ascends beyond tidal zones. It is reported from America, Gulf of Mexico, Lower Mississippi, the Mediterranean sea and Atlantic waters. Upper Jurassic to Recent. Habit and habitat Pristis is a warm water marine type. It is predacious, feeding
Classification of Torpedo : Electric Ray Geographical distribution of Torpedo : Electric Ray Torpedo has been reported from the Mediterranean, Atlantic and Indian Oceans, Red Sea, Pacific Ocean, East Indies, Tasmania, China, Japan, South Africa, North and South America as well as Australia. Upper Jurassic to Recent. Habit and habitat of Torpedo : Electric Ray
Classification of Sphyrna : Hammer headed Shark Geographical distribution of Sphyrna : Hammer-headed Shark Sphyrna is found in all tropical and sub-tropical sea waters and Pacific Ocean, primarily in warm coastal waters. Lower Carboniferous to Recent. Habit and habitat of Sphyrna : Hammer-headed Shark Sphyrna or Zygaena or Reniceps is a common marine fish, adapted
Classification of Stegostoma : Tiger Shark Geographical distribution of Stegostoma : Tiger Shark Stegostoma is abundantly found in the Indian Ocean. Lower Carboniferous to Recent. Habit and habitat of Stegostoma : Tiger Shark Stegostoma is found in open water. It is an active swimmer and predaceous. It feeds on crabs, fishes and turtles, etc. General
