Ichthyophis resembles Amphibia in having a 3 chambered heart, conus arteriosus, urinogenital organs and brain like Amphibia. But it differs from living Amphibia in having scales in dermis and meroblastic eggs. Classification of Ichthyophis Geographical distribution Ichthyophis is distributed in tropical regions and found in Sri Lanka, Philippines, Borneo, Java, Scychelles, Mexico to Argentina and […]
The Chimaera (Ratfish), also known as ghost sharks, belong to the subclass Holocephali and are known for their unique appearance and ecological role in marine environments. 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
The Myliobatis, commonly known as eagle rays, holds economic importance in several sectors, including fisheries, tourism, and ecological research.
Trygon Commonly known as stingrays, holds significant economic importance in various sectors, including fisheries, ecotourism, and research. 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
Skate Fish Belonging to the family Rajidae, have notable economic importance due to their role in fisheries, trade, and ecological systems. 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
Rhinobatus (family Rhinobatidae) are a group of cartilaginous fish with significant economic and ecological importance. Their value comes from their use in fisheries, trade, and their role in marine ecosystems. 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
The Pristis fish, commonly known as the sawfish, has significant economic and ecological importance, primarily in fisheries, tourism, and as a part of the marine ecosystem. Here’s an overview: 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,
Cephalodiscus is a small genus of sessile hemichordates belonging to the class Pterobranchia. These colonial, tube-dwelling marine organisms are known for their unique lifestyle, in which individuals live within secreted tubular structures attached to rocky or deep-sea substrates. Each zooid possesses a set of feathery arms used for filter feeding. Although they are relatively simple
Rhabdopleura belongs to the class Pterobranchia and represents one of the simplest living hemichordates. It lives in colonies on hard marine substrates and secretes delicate tubes, called coenecia, in which individual zooids reside. Each zooid extends its tentaculated arms to filter feed, capturing suspended particles from the surrounding water. Because it shares important features with
Acorn worms in the genus Saccoglossus are members of the class Enteropneusta within the phylum Hemichordata. These worms feed on organic particles while burrowing through muddy or sandy soils in shallow sea environments. They are crucial to the recycling of nutrients and the turnover of sediment. Saccoglossus offers important information on early deuterostome evolution and
Talpa is a genus of Eurasian moles in the family Talpaidae, which includes about 13 to 14 species, including the common European mole (Talpa europaea). Known as subterranean insectivores, they are characterized by their velvety fur, burrowing claws, and the formation of earthen mounds. Although they help control insects in the soil, they are considered
Erinaceus is a genus of the hedgehog family Erinaceus. There are four main species of Erinaceus. Its range covers all of Europe, the Middle East, parts of Russia, and extends to northern China and South Korea. The European hedgehog (Erinaceus europaeus) has been introduced to New Zealand. Classification of Erinaceus (Hedgehog) Geographical distribution Habit and
Macropus, derived from the ancient Greek words μακρός (makrós) meaning long” and πούς (pous) meaningleg,” is a genus of marsupials
The echidna, or spiny anteater, is a unique oviparous mammal (monotreme) native to Australia and New Guinea, characterized by a spiny, hairy body and a long, sticky tongue used for eating ants and termites. One of five living monotremes, it is solitary, has a low body temperature, and has a baby pouch known as a
The platypus (Ornithorhynchus anatinus), also known as the platypus, is a semi-aquatic egg-laying mammal endemic to eastern Australia, including Tasmania. The platypus is the only extant species of the family Ornithorhynchidae and genus Ornithorhynchus, but many related species appear in the fossil record. Along with four species of echidna, it is one of five extant
Psittacula eupatria, commonly known as the Alexandrine Parakeet, is one of the largest and most striking parakeets of South and Southeast Asia. Recognized by its long tail, powerful red beak, and the characteristic maroon shoulder patch, the species thrives in forests, farmlands, and urban green spaces. Highly intelligent and social, Alexandrine Parakeets form strong pair
Columba livia, commonly known as the Rock Pigeon or Rock Dove, is one of the most widespread bird species in the world. Originally native to cliffs and rocky habitats of Europe, North Africa, and Western Asia, it has successfully adapted to urban environments across the globe. Known for its remarkable homing ability, varied plumage, and
Pavo cristatus, commonly known as the Indian Peafowl or Blue Peafowl, is one of the most recognizable and culturally significant birds of the Indian subcontinent. Famous for the male’s vibrant blue plumage and spectacular fan-shaped tail, this species displays elaborate courtship dances during the breeding season. Widely distributed across forests, farmlands, and village edges, Pavo
Gyps bengalensis, commonly known as the White-rumped Vulture, is one of South Asia’s most iconic but critically endangered raptors. Once abundant across the Indian subcontinent, this species experienced a dramatic population collapse due to veterinary drug contamination, habitat loss, and food scarcity. Known for its broad wings, pale rump, and soaring flight, Gyps bengalensis plays
Phoenicopterus, commonly known as the flamingo, is a genus of tall, wading birds recognized for their striking pink plumage, slender legs, and uniquely curved bills. These birds inhabit shallow lakes, lagoons, and coastal wetlands, where they feed on algae, crustaceans, and other microscopic organisms. Their vivid coloration comes from carotenoid pigments in their diet, making
