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False killer whales are large members of the dolphin family and a similarity to killer whales is the shape of their skul...
10/11/2021

False killer whales are large members of the dolphin family and a similarity to killer whales is the shape of their skull. The scientific name for false killer whales means “thick-tooth,” a nod to their pointed teeth and fierce, predatory behavior in the open seas.

Found in open waters throughout the tropics and sub-tropics, particularly surrounding the Hawaiian Islands, false killer whales are considered naturally rare, despite being high on the food chain. One of the most abundant populations of false killer whales can be found offshore from Hawaii and comprises roughly 1,550 individuals. Within these populations, false killer whales often break off into smaller, more stable groups of 15 to 25 individuals. Studies have shown that false killer whales form strong social bonds within the groups lasting several years. Together, false killer whales are cooperative hunters, foraging for squid and large fish, like tuna, mahi mahi and wahoo, and sharing the prey among each other.

False killer whales are identifiable by their rounded heads, small dorsal fin and dark gray bodies. They are most closely related to Risso’s dolphins and pilot whales, rather than killer whales as their name suggests. Playful and active, false killer whales are fast swimmers and can frequently be seen surfing the bow waves of vessels or poking out of the water. Like other dolphin species, they use echolocation to communicate and sense prey and their surroundings. False killer whales have a slow life history—females reach sexual maturity at about 10 years of age and may only have a calf every six or seven years. Calves are born just six feet in length, and will feed on the mother’s milk for up to two years.
📷: Doug Perrine
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⚠️No copyright infringement is intended so dm me for credit or removal if the picture is yours⚠️
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Mr and Mrs!Lots of lobsters were out there in Catalina last weekend.. enjoying some outdoor time before the season start...
10/01/2021

Mr and Mrs!

Lots of lobsters were out there in Catalina last weekend.. enjoying some outdoor time before the season starts!










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Thornback ray💙Closely related to sharks, rays also have a soft cartilage skeleton. Their grossly oversized pectoral fins...
09/27/2021

Thornback ray💙

Closely related to sharks, rays also have a soft cartilage skeleton. Their grossly oversized pectoral fins give them their distinct diamond shape and act a bit like underwater wings. Thornback rays are found around all British coasts and feed mainly on crustaceans though they are not above taking any fish that swims a little too close! The thornback ray likes to bury itself in the sediment during the day and come out at dusk to hunt.

With a distinctive kite shaped body, the thornback ray can also be recognised by its blotchy brown or grey back and collection of 'thorns' on its back and tail. Some other ray species also have thorns but the thornback ray has the biggest.

Although their jaws are small they are extremely powerful, allowing them to crush through the shells of crabs and other crustaceans with ease.

Length: Up to 139cm Weight: Up to 18kg Average Lifespan: Can live for around 15 years



📷: unknown
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The lion’s mane jellyfish is not only the largest jelly species in the world, but it also harbors a powerful sting that ...
09/24/2021

The lion’s mane jellyfish is not only the largest jelly species in the world, but it also harbors a powerful sting that it uses to catch its prey. Most humans have little to fear from this ferocious jelly, but its poison is more than enough to scare away enemies, thus creating a safe space for both the jelly and other species that are lucky enough to be immune to the toxin.

The lion’s mane jellyfish cannot be missed in the open ocean where it prefers to float about. With tentacles up to 120 feet long, some individuals even rival in size the blue whale, the largest animal in the world. Most lion’s mane jellyfish live in the Arctic and North Pacific Ocean from Alaska to Washington where the waters are cool. Its ‘mane’ of long, hair-like tentacles hanging from the underside of its bell-shaped body is the inspiration behind the lion mane’s common name. The mouth is situated on the bell’s underside, surrounded by tentacles that are divided into eight clusters of up to 150 tentacles each. These tentacles are equipped with nematocysts containing poison that stun prey when they are enveloped. The top of the bell is usually dark yellow or red in color and thick in the center, but thins out towards the edges. The lion’s mane jellyfish also possess bioluminescent abilities, meaning it’s able to produce its own light and glow in the dark underwater.
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Reaching lengths of 24 feet (7 m) and weights of more than 3500 pounds (1500 kilos), the beluga sturgeon is the largest ...
09/21/2021

Reaching lengths of 24 feet (7 m) and weights of more than 3500 pounds (1500 kilos), the beluga sturgeon is the largest sturgeon and one of the largest bony fishes in the world. It has a life cycle similar to the salmons in that it hatches in freshwater rivers, spends most of its adult life in saltwater seas, and returns each year to spawn upriver. Unlike the salmons, beluga sturgeon reproduce year after year, and large individuals may live for over 100 years.

The sturgeons are a very old group of fishes (over 200 million years old) and make up one of the most primitive lineages of bony fishes. Their dinosaur-like bodies match their prehistoric lineage. They are covered with strong bony plates; they have asymmetrical, shark-like tails; and they have barbels off of their long snouts that help in locating their prey. Combined with their extremely large size, the look of the beluga sturgeon can be quite intimidating, but this species is harmless and actively avoids people.
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The piglet squid is a   , an intelligent underwater   that is joined by other well-known creatures such as   , cuttlefis...
09/17/2021

The piglet squid is a , an intelligent underwater that is joined by other well-known creatures such as , cuttlefish, and the chambered . The pigmented patterns on its body, also known as , are often used for , though its exact purpose for this creature needs to be confirmed.

When piglet are young, they live near the ocean's surface, only a couple hundred meters deep. As they mature, they descend to the depths of the ocean known as the twilight zone, or zone. This cold region of the ocean lies 200 to 1,000 meters (650 to 3,300 feet) deep and is dimly lit except for the occasional flashes.

This creature, however, was found to have wandered even deeper down into the darker depths of the zone, between 1,000 to 4,000 meters (3,280 to 13,000 feet). This region is sometimes referred to as the midnight zone for the lack of sunlight that penetrates this layer of the .
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09/05/2021

One person’s discarded coconut shell is a coconut octopus’ (Amphioctopus marginatus) treasure. 🥥 🐙

These cephalopods recognize their defense limitations and will seek out hard shells to use for shelter and armor.

Via : sciencechannel


Reposted from .animals

09/03/2021

Pretty in pink 💖

Photo by idivemakadibay

Congrats 👏🏻👏🏻🌊💦🦈🐠🌊🐠💦🦈🔹🔹🔹🔹
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Reposted from .animals

08/30/2021

Omg, this star 😅
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Thanks for 📷

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“Ophioplocus esmarki swaddles itself in kelp on the San Mateo county coast. on September 18th choose from multiple locations countywide to participate in Coastal Cleanup Day. info and registration link in bio. ”
Reposted from .dive.you

08/25/2021

“When he finally gets sick of you in isolation 😂😂 got to see this amazing display between these 2 wobbegong’s, the way sharks mate is by the male biting on to the neck of the female to keep them close!”
Reposted from .dive.you
Thanks for 📷

.dive.you #дайвинг ⠀
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Reposting 📷

Monday morning mood 💤☕️ Rise and shine! It’s time to get the week started! Sea otters spend eleven hours a day sleeping ...
08/23/2021

Monday morning mood 💤☕️ Rise and shine! It’s time to get the week started!

Sea otters spend eleven hours a day sleeping and resting (must be nice…). Before napping, they may wrap kelp around their bodies to anchor themselves, or they gather in “rafts” of other otters. They float on their backs and keep their flippers and paws out of the water to reduce heat loss.
📸:
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08/22/2021

Me during math class 😴💤

🎥:

# beach
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