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Ocean

United Kingdom Spalea Offline
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The sea leopard's dentition...

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United Kingdom Spalea Offline
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Monumental great whale ! Monterey California... Off the Californian coast, I suppose.

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Poor octopus !

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United Kingdom Sully Offline
Ecology & Rewilding
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The southern atlantic humpback population is close to full recovery

Abstract

The recovery of whale populations from centuries of exploitation will have important management and ecological implications due to greater exposure to anthropogenic activities and increasing prey consumption. Here, a Bayesian population model integrates catch data, estimates of abundance, and information on genetics and biology to assess the recovery of western South Atlantic (WSA) humpback whales (Megaptera novaeangliae). Modelling scenarios evaluated the sensitivity of model outputs resulting from the use of different data, different model assumptions and uncertainty in catch allocation and in accounting for whales killed but not landed. A long period of exploitation drove WSA humpback whales to the brink of extinction. They declined from nearly 27 000 (95% PI = 22 800–33 000) individuals in 1830 to only 450 (95% PI = 200–1400) whales in the mid-1950s. Protection led to a strong recovery and the current population is estimated to be at 93% (95% PI = 73–100%) of its pre-exploitation size. The recovery of WSA humpback whales may result in large removals of their primary prey, the Antarctic krill (Euphausia superba), and has the potential to modify the community structure in their feeding grounds. Continued monitoring is needed to understand how these whales will respond to modern threats and to climate-driven changes to their habitats.

https://royalsocietypublishing.org/doi/1...sos.190368
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BorneanTiger Offline
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One of the world's longest seahorses, measuring about 35 cm (13.78 in), was found off the coast of Khor Fakkan in the eastern part of the UAE, in the Gulf of Oman within the Arabian Sea: https://www.khaleejtimes.com/uae/abu-dha...und-in-uae-
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United Kingdom Spalea Offline
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Instant digestion ! I believe it's a pike but I'm not totally sure.

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Clearly very close to the blue whale !

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BorneanTiger Offline
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( This post was last modified: 12-01-2019, 10:37 PM by BorneanTiger )

Australians in Queensland have been eating a kind of grouper fish known as the 'rockrod', which wasn't scientifically named until recently. The new scientific name for the rockrod is Epinephelus fuscomarginatus. It inhabits reefs at depths of up to 220 m (721.79 feet), and is found in the central portion of the Great Barrier Reef. The type specimens were found in the Capricorn Channel near Swain Reefs National Park, Queensland: https://www.independent.co.uk/news/scien...84371.htmlhttps://biotaxa.org/Zootaxa/article/view...a.4674.3.2

Credit: Queensland Museum

*This image is copyright of its original author
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United Kingdom Spalea Offline
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An other possible aspect of the moray...

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It's said it's a Port Jackson shark...



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" I witnessed something out on Bay I had never seen before. While the humpbacks were lunge feeding on a school of anchovies, a sea lion apparently didn't jump out of the way fast enough and got trapped inside the whales mouth! At some point the sea lion escaped and the whale seemed fine too as it continued to feed, but it must have been a strange experience for both parties! in the Moss Landing, California. . ".

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BorneanTiger Offline
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( This post was last modified: 12-01-2019, 10:53 PM by BorneanTiger )

(11-05-2019, 12:45 PM)BorneanTiger Wrote: Australians in Queensland have been eating a kind of grouper fish known as the 'rockrod', which wasn't scientifically named until recently. The new scientific name for the rockrod is Epinephelus fuscomarginatus. It inhabits reefs at depths of up to 220 m (721.79 feet), and is found in the central portion of the Great Barrier Reef. The type specimens were found in the Capricorn Channel near Swain Reefs National Park, Queensland: https://www.independent.co.uk/news/scien...84371.htmlhttps://biotaxa.org/Zootaxa/article/view...a.4674.3.2

Credit: Queensland Museum

*This image is copyright of its original author

See my new thread on grouper fish.
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BorneanTiger Offline
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( This post was last modified: 12-02-2019, 09:04 PM by BorneanTiger )

5 Mysterious Deep Sea Creatures Caught on Camera: 




The Most Terrifying Creatures Of The Deep Sea: 




Aquatic creatures (both freshwaterand saltwater ones) that eat terrestrial animals!



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BorneanTiger Offline
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(10-24-2019, 07:32 AM)Sully Wrote: The southern atlantic humpback population is close to full recovery

Abstract

The recovery of whale populations from centuries of exploitation will have important management and ecological implications due to greater exposure to anthropogenic activities and increasing prey consumption. Here, a Bayesian population model integrates catch data, estimates of abundance, and information on genetics and biology to assess the recovery of western South Atlantic (WSA) humpback whales (Megaptera novaeangliae). Modelling scenarios evaluated the sensitivity of model outputs resulting from the use of different data, different model assumptions and uncertainty in catch allocation and in accounting for whales killed but not landed. A long period of exploitation drove WSA humpback whales to the brink of extinction. They declined from nearly 27 000 (95% PI = 22 800–33 000) individuals in 1830 to only 450 (95% PI = 200–1400) whales in the mid-1950s. Protection led to a strong recovery and the current population is estimated to be at 93% (95% PI = 73–100%) of its pre-exploitation size. The recovery of WSA humpback whales may result in large removals of their primary prey, the Antarctic krill (Euphausia superba), and has the potential to modify the community structure in their feeding grounds. Continued monitoring is needed to understand how these whales will respond to modern threats and to climate-driven changes to their habitats.

https://royalsocietypublishing.org/doi/1...sos.190368

Speaking of humpbacks (Megaptera novæangliæ): https://wildfact.com/forum/topic-baleen-...2#pid95902
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BorneanTiger Offline
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Climate change: Marine life threatened by the decrease in oxygen and the pollution of nutrients: https://www.thenational.ae/world/climate...l-1.948214https://www.euronews.com/2019/12/07/mari...nge-reporthttps://www.bbc.com/news/science-environment-50690995https://www.theguardian.com/environment/...perts-warnhttps://www.independent.co.uk/environmen...37116.html
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