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Leydig's organ (named after the German histologist Franz Leydig who first described it in 1857) is a unique structure found only in some, but not all, elasmobranchs (sharks and rays). Nestled along the top and bottom of the esophagus , it produces red blood cells , as do the spleen and special tissue around the gonads . [ 1 ]
To attract sharks, the hooks are baited with red mullet and false jacopever. Since the objective of the drum line is to prevent sharks from approaching popular beaches (and not to attract them) only about 500 grams of bait is added to each hook. Thus only sharks from the immediate vicinity are attracted to the baits. [11]
Pinkfong content consists mainly of children's songs, the most famous of which is a version of "Baby Shark". The dance video associated with that song eventually became a viral YouTube video with over 15 billion views as of October 2024. Their channel consists of songs, stories, and dances that are represented by a pink fox named Pinkfong.
“I personally also do whale research and I’m like, ‘I wish there was a ’Whale Week,' but no one would be like, ‘Oh, wow, these humpbacks are really peaceful and beautiful,'” says Berna ...
Shark tourism is positively impacting the lives of many, as companies are not only making money for themselves and the community, but many profits benefit reef conservation efforts. Tourism providers often provide food to attract sharks to areas where they can be more easily viewed, although this is controversial. [15]
Do not wander far into the water - especially without assistance. Avoid entering the water with an open wound if you are menstruating as sharks can often smell blood. Swim in areas tended by ...
The shark cannot attack the bait fish easily, as they constantly swim above them and are too fast for the shark to manoeuvre its mouth into position. However, the sharks eventually dive deep, where the bait fish cannot follow, and as the other predators finally dare attack the stranded bait fish, the shark comes back to eat numerous bait fish ...