Ichthyology: GK, Current Affairs, Questions, Trivia and News

International Shark Awareness Day (ISAD)

The International Shark Awareness Day (ISAD) is observed every year on 14th of July to recognize the importance of sharks play in the ecosystem. The 2019 theme “The sharks in crisis: a call to action for the Mediterranean” . According to the latest report issued by the World Wildlife Fund (WWF), Tunisia has become the ..

World Tuna Day (WTD-2019)

The World Tuna Day (WTD) is observed every year on May 2 to highlight the importance of sustainably managed fish stocks in achieving the 2030 Agenda for Sustainable Development. Tuna and tuna-like species are very important economically — to both developed and developing countries — and a significant source of food. They include approximately 40 ..

Thailand declares Siamese fighting fish as its national aquatic animal

Thailand has official declared the Siamese fighting fish as its national aquatic animal to boost conservation efforts and commercial breeding in the country. Known in the West as a betta fish, the underwater brawler is popular in home aquariums for its iridescent body and many-hued tail. It brings up feelings of nostalgia for older generations ..

Rayichapalu officially declared as one of rarest species of fish in world by Marine Living Resources Department of Andhra University

‘Rayichapalu’ has been officially declared as one of the rarest species of fish in the world by the researchers from the Marine Living Resources Department of Andhra University. The fish is a regular catch for fishermen in Visakhapatnam, Andhra Pradesh. It is a colourful fish which is around 97mm in length and lives near the ..

Deep-Sea Ghost Shark caught on camera for the first time

Deep sea ghost shark, also called as chimaeras has been filmed alive for the first time. The video of pointy-nosed blue chimaera (Hydrolagus trolli) has been released by the Monterey Bay Aquarium Research Institute in California. Ghost sharks are dead-eyed, wing-finned fish which are very rarely seen. This species is usually found near Australia and New ..

Difference Between Agnatha and Gnathostomata

With currently 64000, species, majority of the members of Phylum Chordata belong to sub-phylum Vertebrata. All vertebrates possess notochord during the embryonic period only and later it is replaced by bony vertebral column. Further, the vertebrates have a ventral muscular heart with two, three or four chambers, kidneys for excretion and osmoregulation and paired appendages ..