Nine Endangered Marine Species
10th edition of Marine Life monthly post. Marine Life post is published every 19th of the month. It aims to share information on specific marine life species and to promote their conservation. All images are taken by Indah Susanti unless stated otherwise.
Endangered Species Day was celebrated every year on the third Friday in May. The day was intended to promote the importance to protect the endangered species to keep the nature in balance. According to Marinebio.org, the numbers of endangered species from marine life are on the rise. The threats to them are difficult to recognize as they are not as visible as the animals on the land. However, they do have similar vulnerability and even more vulnerable than the wild animals on the earth.
I have been dreaming to see some of the endangered marine species during my dives, but they were not easily to spot on. Let me introduce nine endangered species that I have seen or I wish to see. I do hope they will last for many more years.
Bluefin Tuna fish
Maybe I should stop wishing to see schools of bluefin tuna during my dives. Bluefin tuna meat is popular fish meat, and due to its popularity, the fish became a popular fishing target in the last 30 years. We, humans, managed to reduce bluefin tuna population over 90 percent during that period and had caused the Atlantic bluefin tuna vanished from the ocean. Further information and pictures of bluefin tuna, please visit The Tale of the Bluefin Tuna.
Corals – Staghorn
IUCN Red List, an international organization deals with the conservation status of species, noted that several species of staghorn corals (Acropora) have been reducing exceeding 80 percent over the past 30 years and classified as critically endangered. The decreasing, number of these corals due to climate change and human-related factors. It is going to be a big issue for our ocean if we lost these corals completely as they are contributing to reef growth, providing habitat and food source for other marine species.
Florida Manatee
I hope someday I will visit the United States to swim with the manatee before they vanish from our ocean. The manatee also called as a sea cow and has a characteristic of being slow swimmer mammal on shallow waters. Its number is declining due to hunting practices for their oil and bones. More information on the manatee, please visit Defenders of the Wildlife.
Grouper
The numbers of groupers in the Caribbean are decreasing. While its vulnerable existence is still on the debate, the fact is groupers are slow breeder species. They might be unable to catch up with human’s increasing needs for fish meat, fishing hobbyist and as well the damaging coral reef after the climate change. When I was diving in Belize and Cuba, I had a chance to dive with Nassau grouper which is classified as endangered species in the Caribbean. Most groupers are solitary and territorial fish. However, Nassau grouper usually more ‘friendly’ to human that makes them an easy target for spearfishing. Goliath grouper is the second favorite target after the Nassau. It’s estimated that the population of groupers has declined by 80 percent in just 40 years.
Hammerhead Sharks
Diving with the hammerheads is our dream dive, and I guess I have to fulfill this dream sooner! Hammerhead sharks are harmless to humans; from nine species of hammerhead sharks, only three species that considered dangerous to humans. The species of hammerhead sharks such as the Great Hammerhead and Scalloped hammerhead are endangered. Meanwhile the rest of the hammerhead species numbers are decreasing and classified as vulnerable by IUCN Red List. Last year, Indonesians were shocked by the sales of hammerhead pups in a chained supermarket. Thanks to social media like Twitter and Instagram, this issue made into public nationally and internationally that demanded the withdrawal of the hammerheads from the market and banned the endangered/vulnerable marine species for sale. The meat was taken away from the market. However, there was no clear sanction against the distributors.
Sea Otters
This image was taken by Girl Gone Expat in Alaska. Lucky her to see the Sea Otters in its protected natural habitat! The Sea Otters were used to be hunted for their fur and meat that caused a serious declining number of its population. The Sea Otters are now enjoying full protection in Canada and the United States. More story of Girl Gone Expat on the Sea Otters, please visit her wonderful post: Playful Sea Otters.
Sea Turtle
WWF stated that nearly all species of sea turtles were in the endangered status. They were killed for their meats, shells, and eggs. I have been diving with them in Indonesia and the Philippines. Sea turtles are the most relax marine species I have ever seen. It has been chosen to represent an environmental cause conserving the marine ecosystem because the turtle is one of the longest living animals on earth that outlived the Dinosaurs!
Sea Cucumber
Sea Cucumber is a popular dish for Asians, but it is only recently the dish with sea cucumber meat gains popularity in Indonesia. If you wonder why these species play a role for the healthy ocean; according to IUCN Red List, it ingests organic matter, bacteria as well as plant and animal detritus and re-utilizes residual food and feces. Nowadays its population is decreasing. Most species are not under threat status, however, one specific species, Japanese Spiky Sea Cucumber is classified as endangered species. Who knows what will happen to the rest of the sea cucumber species in the next coming years.
Sharks
Shark Project estimates 26-73 million sharks dying because of finning. I have been diving with several shark species like Thresher Sharks, Caribbean Reef Sharks, Nurse Sharks, Black/White Tip Sharks and Epaulette Sharks. These species are categorized by IUCN Red List as vulnerable species with decreasing population. There are shark species such as Borneo shark and Speartooth shark, that considered endangered and likely to vanish from our ocean if the finning keeps ongoing.
The shark finning is sadistic and inhuman practice. Usually, people cut only the fins of the sharks and throw the sharks alive back to the ocean and let them die under the sea. Just imagine if your legs and hands were cut and being left alone dying. That’s how cruel the shark finning practice is.
My apology if my post sounds frustrating. I can not ignore the fact that the ocean and its population are often taken for granted. The truth sucks and if we can do something, we can start doing things as suggested by the National Geographic’s 10 Things You Can Do to Save the Ocean. Let’s keep our planet blue!


Damn those pictures are so pretty
Thank you Bilal – some of them were belong to the respective photographers as mentioned 🙂
i know but they are so good, i cant help falling in love with them!!
Shark suffers a lot from their portrayal by humans…:(
Btw, the groupers, I think, existed in an old-school computer games I used to play while I was in elementary school! 😛
Hahaha, I have no idea groupers existed in computer games! 🙂 I have to be honest, when I was diving, I was more afraid with groupers than sharks. Groupers are very territorial, they can attack scuba divers with their huge teeth if we were in their area too long. And these groupers sometimes have weight of more than 60 kilos!
Beautiful photographs…. I Really like the blue domains and fishes here… Love and best wishes. Aquileana 🙂
Thank you so much Aquileana 🙂 Have a wonderful weekend!
Beautiful photos. It’s a pity that such nice creatures have been listed as endangered 😦 The corals are so very beautiful! Thanks Indah for sharing this …. 🙂
Thank you Maniparna 🙂 It is a pleasure to share the post and information that I know a bit 🙂
Indeed..you are helping me to have a glimpse of the underwater wonders and its beauty… 🙂
Such fascinating and beautiful creatures! I don’t even want to think about losing them forever, but it seems like we’re heading that way, slowly… 😦
They are and I hope they will live in this planet for much more longer time 🙂 Thank you for your kind support Lucy!
Great post. We need to be reminded constantly what beauty and life we risk losing.
Not a world traveler like you, but live in Florida. Here’s a post about my manatee experience: Up Close & Personal with Florida Manatees Lots of good info and my own unprofessional, but still lovely, photos. Remember, to enjoy FL manatees you must visit them in the winter – when they migrate to inland waterways to stay warm.
I hope you will get to Florida soon and swim with the manatees!
Thank you so much Jo Ann! Gladly sharing the post with you! You are so lucky to have been seeing the manatees, I hope I will see them someday – thank so much for the link, I will check it out asap 🙂
great pictures!
Thank you so much – some I took myself during dives and few of them were belong to the respective photographers as mentioned 🙂 Have a great weekend!
I knew some of those species were endangered such as the shark and sea turtles. It reminds me of the time I was in Malaysia snorkelling to see turtles and we ended up finding a dead one that had been hit by a boat. I was so upset. Such an informative post – makes me think more when I tuck into a tuna sandwich…
Sometimes boat accidents also caused the death of the marine species 😦 I just read from other comments that another cause that make the manatees population decreasing in Florida is also boat accidents 😦
About seafood, I think it is better check where they come from, usually food producers and news media in European Union countries are relatively good in informing whether the food were sustainable or not – thankfully! 🙂