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Photographic evidence has been posted on Facebook showing that names have been carved into coral at Crystal Bay, Nusa Penida, and it has enraged social media users.

What’s wrong with some people? Seriously, do they need to scratch their name on this beautiful coral. Unbelievable!

It is thought that tourists are responsible. The Bali Sun stated that one post observed “how can you be so stupid?”

Researchers from the University of Bayreuth, Germany discovered how two hermit crab species co-exist on the same beach without fighting over limited resources like food or shelter.

Sebastian Steibl and Prof Dr. Christian Laforsch sought to investigate how resource partitioning occurs and whether it may be a driver of coexistence between competing species. (Resource partitioning involves similar species in the same environment utilising different subsets of the same resource (or using it in a different way), so they are not in direct competition with one another.)

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Scientists at Pennsylvania State University and the University of California, Santa Barbara have discovered that when fishermen selectively catch large and medium-sized parrotfish at coral reefs facing decline due to climate change, algae has a better chance of growing and overtaking the corals.

Nonetheless, according to the research, the reef’s biomass is maintained. This is because even with less of the large and medium-sized parrotfish, there would be many smaller parrotfish that would take their place.

The Chinese government has imposed a 10-year commercial fishing ban in the Yangtze River to combat "across-the-board" declines in the populations of rare species like the Chinese sturgeon.

As it came into effect on 1 January 2020, it is hoped that the ban will tackle the problems of dwindling fish stocks and declining biodiversity in the 6,300m river. It will be applied at 332 conservation sites along the river and be extended to cover the main river course and key tributaries by 1 January 2021.

The Australian authors—Dr Neil Banham (lead) and Dr John Lippmann—reported that a 26-year-old healthy male freediver dived to 10m (32.8ft) where he met a friend who was diving on scuba. The freediver breathed from a scuba regulator before ascending.

It may have been that he held much of his breath during ascent, which would have been his usual and generally safe practice with normal breath hold diving. — Banham, Lippmann

What we see is that sharks are being targeted by international factory fleets around the world who trail millions upon millions of baited hooks through their realm, trawl the sea floors for rays, skates and other bottom dwellers to 4,000 metres, and slaughter them by the millions. Sharks are the only profitable prey remaining, now that ninety percent of the original (fish) fisheries are fished out.

The Wildlife Trusts, which comprises 46 individual wildlife trusts around the country, reports record numbers of more than 800 sightings of whales, dolphins and seals in the waters of the United Kingdom in 2019.

Its Yorkshire project reported hundreds of individual sightings by trained citizen scientists. Among these were a pod of bottlenose dolphins making their way from Scotland to Flamborough Head in East Yorkshire-the farthest south they had been officially identified.

Lunge-feeding humpback whales plunge into dense schools of small fish to feed on them. However, these small fish tend to be pretty fast. So, just how do huge whales sneak up on such speedy prey if they are as huge and overbearing as a ... well, whale?

This question became the focus of a study at Stanford University. Its findings was subsequently published in the Proceedings of the National Academy of Sciences journal.