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Friday, December 30, 2016

Sea Creatures Part 2—Intertidal Life

“They’re microhabitats for small marine organisms, mainly invertebrates. This one is Pisaster ochraceous, or more commonly known as a purple sea star. These poor guys were almost entirely wiped out nearly 200 years ago by a disease that caused their arms to basically rot away from them.”
Dylan Baker, Oceania: The Underwater City

This post is a continuation of my three-part special on the sea creatures featured in Oceania: The Underwater City. If you haven’t read the first part, you can read it here.

Intertidal Life

Bat Star
By Jerry Kirkhart from Los Osos, Calif. (Bat Star (Asterina miniata)) [CC BY 2.0 (], via Wikimedia Commons

The bat star (Patiria miniata) is an echinoderm, a type of invertebrate. Their common name derives from the webbing between their arms that make them resemble bats. They can grow to 20cm (8in) in diameter and have five to nine arms. They live from Alaska all the way to Baja California in depths up to 290m (951ft)(1). At low tide, they can be found hiding under rocks, in crevices, or among surfgrass(2). Sporting a wide range of solid and mottled colors that include brown, green, purple, orange, red, and yellow(1), the most common coloration is red-orange or mottled white. Their diet consists of dead animals and plants as well as mollusks. At times several bat stars may consume a decaying animal(2).They feed by engulfing and liquefying their prey through digestive juices which then can be sucked up like a drink. At the end of each arm are sensors sensitive to light that can be used to detect prey(1).

To see a photo of a bat star from the Monterey Bay Aquarium, click here

Starburst Anemone
By Brocken Inaglory - Photograped by Brocken Inaglory in Northern California, GFDL,

The starburst anemone (Anthopleura sola) is an anemone that can grow up to 25cm (10in) in diameter. They range from central California to Mexico. Their habitat is in the intertidal zone where they can be found on rocks, in crevices, or in tidepools(3). The colors of the anemone vary from a green color to a white one. Symbiotic algae contribute to the green color of anemones—the more algae, the greener they are(5). Carnivorous in nature, they eat invertebrates like copepods, isopods, amphipods, and other small animals(4). When buried in sand, this species of anemone can survive for around three months by metabolizing its own body. Unlike its sister species, Anthopleura elegantissima, they are solitary and do not clone themselves(3).

They have special tentacles called acrorhagi that they use to attack encroachers to their territory. The acrorhagi have nematocysts (or stinging cells) on the end of the tentacles that can be used to harm the invader. The stinging cell with come off and continue to sting the enemy repeatedly until one of them concedes defeat(5).

One of my sources for this blog post has some beautiful photographs of this species. Click here if you want to see them. You'll have to scroll halfway down the page before they show up.

Gooseneck Barnacle
By USFWS - Pacific Region (pollicipes_polymerus) [CC BY 2.0 (], via Wikimedia Commons

The gooseneck barnacle (Pollicipes polymerus) is another species with the range from Alaska to Baja California. They grow upward on stalks that can reach 8cm (3in) high and are surrounded by shell plates and scales. Due to their outer protective build, they are well adjusted to fight desiccation. They live in the middle intertidal zone just like the starburst anemone. Aggregating in clusters, often around the California mussel (Mytilus californianus)(6), they grow so densely together that sometimes individuals grow on top of one another(7). They are filter feeders, consuming detritus by opening up their shell to use cirri (like feeding legs) to catch the detritus floating by in the water. Their diet consists of plankton, larvae, amphipods and more. Birds, sea stars, and snails prey upon the gooseneck barnacle(7). Slow growers, they can live for 20 years(6).

California Mussel
By Sharon Mollerus (California Mussels  Uploaded by JoJan) [CC BY 2.0 (], via Wikimedia Commons

The California mussel (Mytilus californianus) is a numerous species all up and down rocky shores of the Pacific coast of America from Alaska to Baja California(8). They have shells with a bluish-purple and black shell tipped with white (if the shell has eroded there) and can seldom be found as deep as 24m(79ft)(9). Inhabiting the high tide zone, they are susceptible to desiccation. They grow in tight clumps and dominate the area in which they choose to settle. Sea star predation helps to keep their numbers in check(10). They grow to 13cm (5in) and dine on detritus and plankton. To feed, they open their shells to stretch out their cilia, which they fan to draw in small particles of food. To keep themselves from being washed away by the incoming tide, the mussels attach themselves to rock (or any sturdy surface) with byssal threads. Byssal threads are a sticky glue-like substance that they secrete and hardens when exposed to sea water. A mussel can move its location by severing old byssal threads and shifting to a new spot. Crabs, lobsters, and sea stars are their predators(8).

Ochre sea star
By Jerry Kirkhart from Los Osos, Calif. [CC BY 2.0 (], via Wikimedia Commons

The ochre sea star (Pisaster ochraceus) is also known as the purple sea star. Even though they are known as the “purple” sea star, they can also be orange, yellow, brown, or have a reddish tint(11). They have 4-7 arms and grow from 25-45cm (4-11in) in length(13). Like many other creatures in this post, they are found from Alaska to Baja California and can live as deep as 90m (295ft). Although they can live up to 20 years in the wild, they are predated upon by sea otters and seagulls and are susceptible to the seastar wasting disease (11)(13). P. ochraceus is considered a keystone species, which means that their presence is crucial to the overall health of the ecosystem(13).

Mussels, barnacles, limpets, snails, and chitons make up their diet. To feed on the shelled organisms, they invert their stomachs and insert them into the shells to feed. They eat so many mussels that they actually limit them from living in lower tide zones(11). Their mouth is located on the bottom (oral) side with their anus on the top (aboral) side. Tube-like feet are used for locomotion. They don’t have muscles, but instead a water-vascular system moves their limbs in a hydraulic pressure system(12). They also have no brain, only a nerve ring that along with radial nerves comprises the nervous system(13).

Plant Life
By Peter D. Tillman (Own work) [GFDL ( or CC BY 3.0 (], via Wikimedia Commons

Surfgrass or (Phyllospadix torreyi) is not a type of algae, but an angiosperm, meaning that they have true roots, leaves, and stems. Each leaf blade is about 2mm (0.07in) wide and can be as long as 3m (10ft). They inhabit the mid to low tidepools from British Columbia down to Baja California. Surfgrass are marine primary producers, making them food for many different species. They also harbor species like the spiny lobster. Not quite a keystone species, they do have many benefits including helping to prevent erosion by stabilizing the ground and improving water clarity. They are vulnerable to desiccation during low tides and also don’t do well with pollution. Coastal development is one of the only threats to this species(14).

You’ve reached the end of the blog post for this week. Stay tuned (or subscribe to the blog) to be notified of next week’s post, which will feature the conclusion of this three-part special—the creatures of the deep-sea.

References and Further Reading

Friday, December 23, 2016

Sea Creatures Part 1— Marine Life

Since the ocean and its inhabitants were my main inspirations for this novel, I thought I’d take the time to highlight the marine life you read about inside it. A few of the animals were included simply because you can’t write a novel about the ocean and not include dolphins and sharks, right? Others I featured to raise awareness of conservation issues surrounding them. Some of the animals are included because of my own personal experiences. I’ll never forget the time I saw a blue whale off the coast of California on a whale watching tour. It was an amazing experience and I wanted Allie to have that experience as well—but underwater instead of at the surface. I also found myself in awe of a juvenile leopard shark as I watched it weave through hundreds of people at a beach in LA without a care, simply minding its own business. In a world so full of hatred and misunderstandings at creatures so different from them, I wanted to envision a future that was different.

To adequately cover all the marine species featured in my novel, this blog post will be split into a three-part special. This one will cover continental and pelagic marine life, the second one will cover intertidal species, and the third one will include deep-sea creatures. Each one will be posted a week after the previous one. Afterward, each blog post will be bi-weekly.

Marine Life
* Due to the popularity of bottlenose dolphins and great white sharks, I’m only going to briefly highlight them.
The common bottlenose dolphin (Tursiops truncatus) is found worldwide in both temperate and tropical oceans. They are typically 1.8 to 3.8m (6-12.5ft) in length, weigh between 135-635kg (300-1,400lbs), and live for 40-50 years in the wild. Their diet consists of fishes and invertebrates. Something you may not know about them is that the calves are born with hair(1).

The great white shark (Carcharodon carcharias) can grow up to 6.4m (21ft) and weigh as much as 3,400 kg (7,496lbs). They favor colder waters but are also found worldwide. Their diet consists of fish, marine mammals, sea turtles, and invertebrates like mollusks and crustaceans(2).

California sea lion  
By Ltshears - Trisha M Shears (Own work) [Public domain], via Wikimedia Commons
The California sea lion (Zalophus californianus) ranges from Southeast Canada to Baja California in Mexico. The males and females differ in size from up to 2.1m (6.9ft) long and 350kg (772lbs) for the males and 1.8m (5.9ft) long and 100kg (220lbs) for the females. Males are a dark brown color and the females are more of a tan color. The young are born with a dark brown to blackish looking coat.

California sea lions are highly social and tend to stick together in large groups, sometimes piling on top of one another if there isn’t enough room. They often go out for food in groups to reduce predation and feed on fish and cephalopods. When diving underwater, they can hold their breath for two to ten minutes, diving as deep as 26-98m (86-322ft). Some have been recorded to dive deeper than 200m (656ft)(3).

As for conservation, they were hunted aggressively during the 19th and 20th centuries, but since the Marine Mammal Protection Act of 1972, they have made a great comeback to where they are now listed as least concern by the IUCN(3)(4).

Blue Whale
By NOAA Photo Library - anim1754, Public Domain,

The blue whale (Balaenoptera musculus) is the largest single organism to ever live, reaching lengths of 24-27m (79-89ft) and weighing 100-120 metric tons (110-132 tons). The largest ever on record was 33.5m (110ft). With hearts the size of a small car, some of their arteries are large enough that a human being could swim through them. Unlike sea lions, the females tend to be longer than the males. In a sense, their common name is a misnomer. The dorsal coloration on a blue whale is more gray than blue with a ventral coloration that is a yellowish white(5). However, their color does lean more towards blue underwater(6).

The blue whale can live 80 to 90 years, making them one of the longest living animals(6).They spend most of their time in the open ocean and are found worldwide except for the Arctic Ocean. Most are migratory, constantly moving to areas with a higher abundance of food. They can dive to over 100m (328ft) in their search for food. Often solitary, they will commune in groups of around 60 individuals in areas where food is plentiful. Its main food source is krill, which they use their baleen plates to filter-feed(5). Like other baleen whales, they feed via overlapping baleen plates made of material similar to human fingernails. They gulp mouthfuls of krill and expel the water through the small gaps in their baleen plates. The water is then removed, leaving the shrimp-like krill behind(6). During the summer months, blue whales can consume 3.6 metric tons (4 tons) of krill in a single day. According to the IUCN Red List, the blue whale is endangered, so seeing one is a rare treat(5).

An interesting fact about the blue whale is that they have the highest water spout of any whale. It can jettison up to nine meters (30ft) into the air(5)! When suckling, baby blue whales can gain 91kg (200lbs) every single day until it’s a year old(6).

 To see another photo of a blue whale from, click here. To see a video on YouTube of one, click here

Short-beaked Common Dolphins
By Gregory "Slobirdr" Smith (Short-beaked Common Dolphin (Delphinus delphis)) [CC BY-SA 2.0 (], via Wikimedia Commons

As their name suggests, common dolphins (Delphinus delphis) are the most common species of dolphin on the planet, ranging worldwide in both temperate and tropical seas. The sexes differ in length with the females at 1.5m (4.92ft) and the males at 1.7-2.2m (5.6-7.2ft) with an average weight of about 200kg (441lbs) (18). In the wild, they have a lifespan of around 35 years. Energetic, they can be seen jumping (breaching), flipping at the surface, and riding on the waves created by ships, a behavior called bowriding(19). Social animals, they congregate in groups of 10-500 individuals. In search for food such as fish, squid, and other cephalopods, they can dive between two to eight minutes long. The IUCN classifies them as least concern. The highest threats to them are pollution (noise and chemical), human disturbance, and fishing nets(18).

If you would like to see another picture of one, click here to go to

Leatherback Sea Turtle
By Bernard DUPONT from FRANCE (Leatherback Sea Turtle (Dermochelys coriacea)) [CC BY-SA 2.0 (], via Wikimedia Commons

The leatherback sea turtle (Dermochelys coriacae) is the largest sea turtle in the world. They weigh up to 907kg (2,000lbs) and grow up to 2m (7ft)(20), but are only about 40-50g when they first hatch. They are also the only sea turtles that have a leathery shell instead of a bony one(12). In the wild, they are thought to live 45 years(20). With worldwide distribution from as high as British Columbia in the north all the way down to Australia in the south(12), they can tolerate colder temperatures than other sea turtles. A migratory species, they have been known to travel upwards of 7,000km (4,350mi). The males stay in the open ocean, never returning to land, while the females return only to lay their eggs. Little is known about the juvenile stage, but as adults, they eat jellyfish. Sadly, leatherbacks are listed as critically endangered by the IUCN and although conservation efforts are in place, their species is still very much in danger(11). The biggest threats to their conservation are bycatch and harvesting of the eggs and adults(12).

To see a photo that shows the size of a leatherback sea turtle in relation to several human beings, check out this photo from NOAA. 

Green Sea Turtle
By Frank Schulenburg (Own work) [CC BY-SA 3.0 (], via Wikimedia Commons

The green sea turtle (Chelonia mydas) got its name from the color of its fat—not its shell. They weigh from 65-136kg (143-300lb) and are 80-150cm (31-59in) long. They can swim up to 24kph (15mph) and as far as 4,282km (2,661mi).  Like all sea turtles, they cannot retract their heads or limbs into their shells(14). Like the leatherback, they make long migrations, some traveling 2,250km (1,398mi) from Brazil to the Ascension Islands. They are found in the Atlantic, Indian, and Pacific oceans as well as in the Mediterranean Sea and Arabian Gulf. As adults, their diet consists of algae and sea grass, but the hatchlings and juveniles feed on jellyfish, mollusks, sponges, and plants. The IUCN lists them as endangered due to threats such as bycatch, habitat degradation, harvesting for their meat and eggs, light pollution, and the disease fibropapillomas which causes tumors to grow all over their body(13). has several awesome photos and videos of green sea turtles. If you want to see more, click here.

Leopard Shark
By Mfield, Matthew Field, (Own work) [CC BY-SA 3.0 ( or GFDL (], via Wikimedia Commons

The leopard shark (Triakis semifasciata) is common off the coast of California and prefer kelp forests, estuaries, and bays. They are especially common in the San Francisco Bay region(15). They live in the eastern Pacific, ranging from Oregon down to the Gulf of California in Mexico(l6). As they age, their leopard-like spots fade. Females are larger than the males, with the length for the species being between 4-7ft (1.2-2.1m) long (15). They lurk on the bottom, which is where they tend to feed(16). Their diet consists of clams, crustaceans like crabs and shrimp, octopuses, fat innkeeper worms, and fish (including fish eggs)(15)(16). They usually don’t dive more than 20m (65ft), but can be found as deep as 91m (300ft). Off of California, they are fished for their meat and on average 127 metric tons (140 tons) are caught every year(15). The IUCN lists them as least concern, which means that for now, they are okay(17). However, they are vulnerable to overfishing due to their ten-year age of maturity(15).

For an even better photo of a leopard shark, click here

Giant Pacific Octopus
By Karen from Los Angeles, USA (Giant Pacific Octopus) [CC BY 2.0 (], via Wikimedia Commons

The North Pacific giant octopus (Enteroctopus dofleini) varies in length from 3-5m (10-16ft) and weighs between 10-50kg (22-110lbs)(7). In the wild, their lifespan is between 3-5 years. They occur in mainly coastal waters from Alaska all the way down to California on the eastern Pacific coast and along Japan to New Zealand on the western Pacific coast (8)(7). The octopus’ main habitat is along rocky substrates (bottom), where there are enough large rocky areas to make its den. They can live at depths anywhere from 5–1,500m (16-4,921ft). Their diet consists of fish, crustaceans such as crabs and lobsters, mollusks, and even other octopuses(7).

The giant pacific octopus’ coloration is that of a reddish-brown that is darker in males than in the females. Like other cephalopods, they have the ability to change color due to chromophores (light-emitting pigment cells) in their skin. The color can be used for camouflage and is often activated when they are frightened(7). And of course, they can secrete an “inky” substance into the water to use as camouflage in order to escape. Known to be quite intelligent, octopuses can assess their situations and figure out clever ways to solve problems. One exhibit of this is how they obtain the soft bodies of their mollusk prey. They will either bite open their shells, rip them apart, or secrete a toxin into the shell to liquefy the insides of the mollusk so they can then suck out the contents(8).

To see a cool photo of an octopus eating a shark from, click here. If you want to see a cool video of one, click here to go to YouTube. 

Crystal Jellyfish
By Jim G from Silicon Valley, CA, USA [CC BY 2.0 (], via Wikimedia Commons

The crystal jellyfish (Aequorea Victoria) is the random jellyfish Allie sees in the first chapter of the novel. These jellyfish live in open water from central California all the way to British Columbia, Canada. They feed on copepods and other jellyfish (yes, they can be cannibalistic). Small in size, they range from 8-25cm (3.2-9.8in). A cool fact about them is that they can stretch their mouths to engulf prey larger than them(9). When they are disturbed, they emit a bioluminescent blue-green color(10). Due to their bioluminescent proteins, they are used in science experiments to reveal calcium in living organisms(9).

For now, that is all. Stay tuned (or subscribe to the blog) to be notified of next week’s post, which will feature the intertidal species from the novel.

References and Further Reading

Friday, December 16, 2016

Inspiration for the Story: Oceania

A Young Adult Science Fiction Novel

To start off my book-specific blog, I thought I would talk about my inspiration for my debut novel Oceania: The Underwater City. I’ve been a long-time fan of sci-fi and I’ve always enjoyed reading stories about people living in space. However, I began to wonder, why not under the sea? It feels like there are so many books about living in space, but most of the ones that I’ve found about permanent undersea habitation have some relation to Atlantis. If you ever find or know of any other books with full time underwater human inhabitants, please let me know. I would love to read it!

In addition, in these space sci-fi books, humans are usually in space because Earth is either uninhabitable or gone. So, I began to toy with the idea of what if Earth was damaged but recovering? Logically, it would be extremely difficult to get every human up into space based on all the requirements an astronaut needs to pass before going up into space. The ocean seemed to become increasingly viable as a last-ditch effort for humanity.

I wanted to create a story where the ocean would be the new human habitat. At first, I didn’t know what kind of plot the book would have. All I knew was that I wanted a girl to stumble upon this city where she’d make a new friend—that was pretty much it.

More than a TV show, video game, movie, or book, my love for the ocean and ocean conservation inspired this novel. I wanted to get people excited about the possibilities of not only underwater living but underwater exploration. It’s why Allie has so many underwater adventures outside the city. It was important to me that marine life was featured in the novel just as much as the city was. I also made sure to include marine life that isn’t always widely depicted in popular media. Of course, you’ll find dolphins, sharks, sea turtles and the like in my novel, but what about the bat star (Patiria miniata)? The gooseneck barnacle (Pollicips polymerus)? What about Phyllospadix torreyi or commonly known in the US as surfgrass? These species are important, too, but it’s easy to remember the iconic marine life and forget about the others.

In addition to showcasing marine species not often talked about outside of ocean documentaries, I wanted to portray species often thought of as scary in a different light. I purposely described Allie’s first underwater view of a great white shark as a peaceful one instead of a fearful one. She sees the majesty of the shark instead of a fearsome beast. The same goes for the deep-sea fish she encounters later in the novel. The descriptions are meant to awe the reader instead of scare them.

My last inspirations for this novel came from all the marine explorers from Jacques Cousteau to Sylvia Earle to James Cameron and everyone in-between. Without them, the ocean would be even more of a mystery. 

Friday, November 18, 2016

Blog Commencement Notice

Note: Posts are bi-weekly. For information about me and my novels, visit my website

Disclaimer: This blog is solely for the purpose of giving extra exclusive content to my readers. All the photographs on this blog are public domain or owned by me. All outside information gathered is cited and/or linked to. This site contains no affiliate links nor do I link to another site for any other reason than to educate or inform.