wave, ocean, sea-1913559.jpg

The Effect Of Sound Frequency On Marine Environmental Noise

Marine background noise (ocean ambient noise) includes marine environmental and technical noise. Marine dynamic noise and biological noise are also called marine environmental noise. Generally speaking, dynamic marine noise is produced by waves, ocean currents, and wind. Biological noise is produced by marine organisms, such as fish, shrimp, and mammals. […]

Read More

One Of The Dolphin, But Looks Like A Killer Whale

The extermination of the bones of extinct giant dolphin (Ankylorhiza tiedemani) Scientists have discovered the near-complete skeleton of the first extinct large dolphin in South Carolina. This 15-foot-long dolphin (Ankylorhiza tiedemani specimen) living in the Oligocene period (about 25 million years ago), it was previously known only from a fossil of […]

Read More
boat, from above, top view-2435056.jpg

Megalodon Giants Spread Over The Ocean

Evidence for the existence of Megalodon giants in the ocean about 20 million years ago has been found in several places on Earth. These giants had been controlling the ocean for 13 million years. Megalodon is a species of shark that is reported to have become extinct about 3.5 million […]

Read More

Otolith Shape Analysis And Daily Growth Verification

What are Otoliths? Otoliths are calcium carbonate growths located in the inner ears of bony fishes. Otoliths provide a fish’s balance, hearing ability, and velocity control. However, Ichthyologists can study otoliths to determine the age and health of fish just as dendrochronologists study tree rings. Otolith background Since Pannella described […]

Read More
cod, barb, fish-4390267.jpg

“A Fish That Changed The World: Cod Fish In The Past 100 Years”

Codfish is the first commodity of international trade, and the great “geographical discovery” was also opened by it. At that time, the rich cod fishery was undoubtedly an offshore gold mine. From the beginning of the 16th century, Spanish, British, and French fishing boats embarked on an expedition to Newfoundland […]

Read More

A Mysterious Beaked Whale In The South China Sea

Introduction Recently, the Institute of Deep-Sea Sciences and Engineering in the University of Chinese Academy of Sciences published a research paper in the journal Integrative Zoology, titled as “First live sighting of Deraniyagala’s beaked whale (Mesoplodon hotaula Deraniyagala, 1963) or ginkgo-toothed beaked whale (Mesoplodon gingkodens Nishiwaki & Kamiya, 1958) in the western […]

Read More