sea-dwellers 🪸

Captura del artículo de Wikipedia de epinephelus itajara, una especie de mero, aquí llamado "Mero guasa"

Risso's Dolphin

Adult bodies are usually heavily scarred with scratches caused from teeth raking between dolphins, as well as circular markings from prey

📷: Douglas Croft Images

Woman caught poaching endangered abalone, hiding it in her pants: Officials Wildlife officials in California caught a woman poaching an endangered species and hiding it in her pants.

Don't stick endangered mollusks in your pants. Doing so can be expensive:

"Under state law, abalone poaching can carry penalties of up to $40,000 in fines and one year in jail."

Woman caught poaching endangered abalone, hiding it in her pants: Officials - ABC News share.google/bGPDs29faCX1...

Green ocean wave you can see through with a few dozen yellow tang fish swimming just under the surface.

This is a throng of yellow tangs hanging out together just a few feet from the ocean shore.

#fish #nature #photography #marinelife #love #yellow #maui #hawaii #bluesky #goodnight #peace #nokings #vacay

Ctenophores glimmering like alien angels

Abandoned tuna-fishing devices pollute the Galápagos Marine Reserve SANTA CRUZ, GALÁPAGOS ISLANDS, Ecuador — “Good morning,” Walter Borbor, a social media-famous fisher, says to his followers in a 2022 Instagram video. “What we have here is a plantado.” He points to a...

"Abandoned FADs pose numerous problems. They shed plastic as they break down, damage coral reefs and collide with artisanal fishing boats...scientists routinely find sharks, turtles, sea lions, seabirds and other wildlife entangled in the netting "

news.mongabay.com/2026/02/aban...

A diagram of the evolution of whales, from land dwelling mammals to the ocean giants we know today.

Whale evolution makes me uncomfortable

a ¾'s view of a hammerhead shark. you can see the white underbelly and its mouth, open and rimmed with many teeth.

can i offer you a shark in these trying times?

This is a Labichthys snipe eel.

Like many of the animals studied during the #OBVI #LivingBioreactors expedition w/ @schmidtsciences.bsky.social, Labichthys shelter in the depths & make a daily migration to feed near surface waters at night. Read full caption: youtube.com/shorts/zWjxE...

A Day Octopus (Octopus cyanea) brooding her eggs in a crevice while a Durban Dancing Shrimp (Rhynchocinetes durbanensis) walks on the ceiling. The octopus only has her eye and two of her arms visible. Her arms are raised to the ceiling and are some of twisted so the suckers are going in different direction. Her eye is below several clusters of eggs, and she is staring at the camera. She is dark red with orange arms. The eggs are in long clusters that sort of look like a corn cob, if the kernels were thin and also octopus eggs. The eggs are off white with black dots that are the octopus babies' eyes. There are some hints of orange,. One cluster appears to be more developed. The eggs are bigger and translucent and have a lot more orange chromatophores. The shrimp is on the ceiling and facing to the left. It is a vibrant red with white lines and spots, and pale, almost neon green eyes. It is very point. The rock at the top is red.

It's your classic sitcom set up: a shrimp, an octopus, and hundreds of thousands of her rowdy children.

🦐🐙📷nathan_fripp (inaturalist.ca/observations...)

As I was walking along the rocky shore as usual, I found a moray eel washed up...

Its expression seems to tell the story of how harsh the sea can be…!!

RANDOM FACTS ABOUT THE ORNATE OCTOPUS:

- they hunt nocturnally on fish and crustaceans.
- they are usually found on coral reefs.
- their stomachs have been found to contain the beaks of other octopus species, which means they are predators to their own kind.

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an image of fish appearing to stand up straight on the seabed, posted on pinterest. two comments are present at the bottom. one by addison.nguyenn reads, "bullshit happening in the ocean at all times." in response, pinterest user dicklechips commented, "it's probably mandatory."

mandatory

A white nudibranch on top of an algae-covered coral projection, with sand in the background. It has a thin, very white line at the margin of its mantle; the body is slightly translucent and some internal structures are visible. The rhinopores have a purple base and orange tips; the gills have a purple-orange base and more yellowish tips. #Macro #MacroPhotography #Wildlife #WildlifePhotography #UnderwaterPhotography #Nature

Enough of the horrors for one day. Here is a nudibranch.

This is (I think) Hypselodoris bullockii. Pic from Anilao.

#MarineLife #Invertebrates 🌿

🌿‬,,

blue button jellyfish are fascinating

Blue buttons jellies float at the oceans surface, like little animal flowers, living between sea and sky. There are millions of them out there right now, and most will live their whole lives without even being seen by a human.

Despite the hard things, the world is still wondrous.

Osedax worms dismantle bones molecule by molecule, no spectacle, no force. Long-term change often looks boring if you don’t understand the process.

hey, guys, guess what? green sea turtles have recently been unlabeled as endangered!

Photo dump from the dive so far.
Sea star, urchin, munidopsis 🦀
@schmidtocean.bsky.social dive 853 #uruguaysub200 #MarineLife

RESOURCES:

- en.wikipedia.org/wiki/Callist...
- www.marinelifephotography.com/marine/mollu...
- www.inaturalist.org/taxa/121606-...

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- not much is known about their mating behaviours.
- they were historically collected by polynesian hawaiians.

RANDOM FACTS ABOUT THE ORNATE OCTOPUS:

- they hunt nocturnally on fish and crustaceans.
- they are usually found on coral reefs.
- their stomachs have been found to contain the beaks of other octopus species, which means they are predators to their own kind.

»

A large orange octopus with white spots and a long thin body wrapped in a semicircle around a large algae covered boulder

How about a more unusual octopus this morning? This is the Hawaii-endemic O. ornatus, the Ornate or Night octopus. Long, slinky, move more like eels than cephalopods sometimes, just a beautiful animal, only to be seen on night dives. 🦑📷🌿🐙

A Two-toned Pygmy Squid (Idiosepius pygmaeus) holding a crab like crustacean in its arms. The pygmy squid has itself glued to a branching sea plant. The sea plant is black with a purple tinge and has a bunch of dark yellow frilly things sticking out of it. The pygmy squid is attached to the sea plant at its mantle. The pygmy squid translucent, and have a yellow colour with tiny black spots all over. Its eyes are silvery with some iridescent cyan on top. The crustacean is grasped within its arms, and the crustacean is helplessly reaching out with all its limbs. The crustacean is a very light pink colour and a bit translucent.

A Southern Pygmy Squid (Xipholeptos notoides) hiding on a piece of sea grass. It has glued itself to the piece of sea grass to wait for prey to ambush. The sea grass is dark green with some greenish grey stuff covering much of it. The pygmy squid has camouflaged itself, with much of its body being a translucent, almost transparent, grey with some dark green chromatophores. Around its eyes it has an iridescent greed. The pygmy squid has its mantle pointing down, then it has its neck bending a bit forward, and then its head and arms are pointing up.

A photo of two-toned pygmy squid (Idiosepius pygmaeus) sitting on a leaf. Its body is translucent, with its eyes and organ visible through its skin. It have brown and black chromatophores all over its body.

The smallest squids are the aptly named Pygmy squids (order Idiosepida), with their mantle length reaching about 2 cm and weighing less that 0.2 g.

They are known as the "Post-It notes of the sea", since they will glue themselves to sea grass in order to ambush their prey.

#SQUIDtember

RESOURCES:

- www.britannica.com/science/nitr...
- www.ncbi.nlm.nih.gov/books/NBK470...
- www.healthline.com/health/nitro...

the symptoms of nitrogen narcosis are are alleviated by ascending to shallower depths. communication with one's diving partners in these circumstances are essential, as it will enable a safe, slow, and controlled ascent until symptoms dispel.

amongst the symptoms of nitrogen narcosis is:

- euphoria
- disorientation
- poor judgement
- memory loss
- difficulty concentrating
- numbness
- tingling

nitrogen narcosis is a reversible change to functioning, behaviour, and consciousness in divers. it is caused by breathing in compressed gasses at depth. it can leave a diver in an altered state of consciousness, similar to intoxication from alcohol.

today we're learning about NITROGEN NARCOSIS!