When Bulldog Fish Was Alive

Expert’s answer:

Based on the search results provided, there is no specific information available about when the Bulldog fish was alive. The search results include references to Bulldog fish in various contexts, such as fossilized specimens, fishing charters, and different species of fish. However, there is no information about the specific time period when the Bulldog fish existed.

Bulldog goldfish
Bulldog goldfish – (Image Source: Pixabay.com)

Ninety million years ago, what was the bulldog fish?

He chose to get in touch with the Army Corps of Engineers, who are in charge of that section of the river just west of Yankton, South Dakota, after hearing from his friends that he had discovered an old fossil. They were able to confirm that the fossils belonged to the extinct Xiphanticus audax, also known as the “bulldog fish,” which roamed the shallow sea that covered much of North America during the Cretaceous period.

A vicious predator, the bulldog fish could reach 20 feet in length and weigh up to 1,000 pounds. It is one of the largest fish known to have lived in North American waters at the time, and it probably ate anything that fit into its enormous jaws, which were lined with teeth more than three inches long and resembling fangs.

Moore sounds like the kind of angler who would happen upon a fossil find like this when explaining why he fishes to WOWT. When that fish bites your line, you get that sensation, according to Moore. “It’s that primal jolt you get in your spine, and it goes straight to your brain”.

By Andy Moore Photo for Nebraskaland Magazine, used with permission.

Bull fish
Bull fish – (Image Source: Pixabay.com)

What fish, 90 million years old, earned the moniker “bulldog fish”?

A common component of shallow marine fish faunas in the latter stages of the Age of Dinosaurs was the extinct group of fishes known as ichthyodectiforms.

The term “bulldog fish” is frequently used to describe them because of their large, upward-opening jaws and jagged teeth.

Isisfordia duncani, the world’s first modern crocodilian, was discovered nearby, and a researcher from UQ’s School of Biological Sciences, Mr. Kerry Geddes, said the fossil was buried in a single sandstone nodule.

The nearly flawlessly preserved skull and front half of the body were discovered when Mr. Geddes decided to hammer the nodule.

Bulldog shark
Bulldog shark – (Image Source: Pixabay.com)

What precisely is the 420-year-old fish?

Tetrapods, lungfish, and coelacanths are thought to have diverged during the Silurian period, based on evidence from fossil records. More than 100 fossil coelacanth species have been identified. The earliest coelacanth fossils that have been found date to the early Devonian and are between 420 and 410 million years old. Coelacanth diversity peaked during the Early Triassic (252-247 million years ago), coinciding with a burst of diversification between the Late Permian and Middle Triassic. Coelacanths were never a particularly diverse group in comparison to other fish groups. The majority of Mesozoic coelacanths belong to the order Latimerioidei, which has two major suborders: the marine Latimeriidae, which includes contemporary coelacanths, and the extinct Mawsoniidae, which was indigenous to brackish, freshwater, and marine environments..

In comparison to Mesozoic forms, Paleozoic coelacanths were typically smaller (about 30-40cm or 12-16in in length). Several specimens from the mawsoniid coelacanth genera Trachymetopon and Mawsonia, which are from the Jurassic and Cretaceous, likely measured at least 5 meters (16 feet) in length, making them among the largest bony fishes ever discovered..

The most recent mawsoniids are Axelrodichthys megadromos from early Campanian to early Maastrichtian freshwater continental deposits of France,, as well as an unidentified marine mawsoniid from Morocco, dating to the late Santonian to middle Campanian and possibly earliest Maastrichtian-aged marine strata of the Eastern and Central United States..

Bullhead fish
Bullhead fish – (Image Source: Pixabay.com)

Fish and dinosaurs: Which is older?

Around 400 million years ago, during the Devonian Period, coelacanths first appeared, roughly 170 million years before dinosaurs. They were believed to have disappeared during the mass extinction that killed off about three-quarters of Earth’s species after an asteroid strike at the end of the Cretaceous Period, based on the fossil record.

The coelacanth was given the nickname “living fossil” after it was discovered alive, a moniker that is no longer accepted by scientists.

According to biologist and study co-author Marc Herbin of the National Museum of Natural History in Paris, “a fossil is by definition dead, and the coelacanths have evolved significantly since the Devonian”.

Dogfish
Dogfish – (Image Source: Pixabay.com)

What kind of fish existed 500,000,000 years ago?

The fish, Metaspriggina walcotti, was about 2 inches long, had two large, protruding eyes, and had two small, paired nasal capsules. It was 518 million years old. It had seven sets of external gills through which it could breathe. Strong W-shaped muscle bands were able to form along its entire body thanks to the sturdy rod (notochord) that supported its spine.

Without a doubt, its ability to swim quickly contributed significantly to its ability to survive in dangerous waters full of powerful predators like Anomalocaris.

It was thought at the time that Metaspriggina was related to Spriggina from the 560 million-year-old Ediacaran fauna of Australia when it was first discovered and given its name in 1993.

What is the oldest fish ever discovered?

The oldest known fish may be Haikouichthys, which originated in China around 518 million years ago.

Bulldog fish size
Bulldog fish size – (Image Source: Pixabay.com)

What is a fish that is 240 million years old?

The fossil record of coelacanths dates back more than 360 million years, with a peak in abundance occurring around 240 million years ago. Before 1938, it was thought that they had vanished from the fossil record and gone extinct around 80 million years ago.

The answer appears to be that the Coelacanths from the fossil record lived in environments that were favorable to fossilization. This would explain how Coelacanths could disappear for over 80 million years and then suddenly reappear alive and well in the twentieth century. Both in Sulawesi and the Comoros, modern coelacanths were discovered in settings unfavorable to the formation of fossils. They reside in caves and overhangs in nearly vertical marine reefs at a depth of about 200 m off recently formed volcanic islands.

Because tetrapods—animals that live on land like humans—were thought to have descended from coelacanths, their discovery by science in 1938 was accompanied by great excitement. The closest living relative of tetrapods is now thought to be lungfishes. Some very intriguing evolutionary questions may yet have their answers thanks to the coelacanth.

Tiger fish
Tiger fish – (Image Source: Pixabay.com)

What living fish was found to be 450 million years old?

The coelacanth is the most well-known living fossil fish, though there are many others. These ancient fish, whose species have swum the seas for more than 450 million years, provide scientists with a window into what the Earth was like an inconceivably long time ago, perhaps even more so than other types of living fossils.

The ginkgotree, whose distinctive wedge-shaped leaves are almost identical to those of fossilized ginkgos from 240 million years ago, is referred to as a “living fossil” by Charles Darwin. Numerous other living things, such as giant sequoia trees, millipedes, armadillos, crocodilians, and even some bacteria, have been found by scientists today that have survived for millions of years in nearly unchanged form.

The coelacanth is the most well-known living fossil fish, but there are many others. These ancient fish, whose species have swum the seas for more than 450 million years, provide scientists with a window into the Earth’s past inarguably more than other types of living fossils. They serve as all vertebrates’ ancestors and offer vital information about the evolution of numerous animals, including humans.

Find out about a few of the little-known living fossil fish in this overview.

What kind of fish was there 70 million years ago?
(Image Source: Pixabay.com)

What kind of fish was there 70 million years ago?

There are about 80 different species of fossil coelacanths that date from the Middle Devonian to the Late Cretaceous (between 360 and 70 million years ago). Before they were discovered to be alive in 1938, it was believed that they had gone extinct at the end of the Cretaceous period.

Coelacanth fossil Diplurus longicaudatus from the Jurassic of Connecticut (Paliontological Research Institution collections).

Hundreds of feet below the ocean’s surface, coelacanths of today reside in rocky outcrops and caves. They can grow to be more than 6 feet long and weigh 200 pounds, making them larger than the majority of their prehistoric ancestors. They could possibly live for 60 years or longer, according to scientists. They consume whatever prey they come across while slowly drifting with the currents and barely using any self-propulsion, a behavior known as “passive drift feeding”.

Who or what was a fish 400 million years ago?
(Image Source: Pixabay.com)

Who or what was a fish 400 million years ago?

Around 400 million years ago, during the Devonian Period, coelacanths first appeared, roughly 170 million years before dinosaurs. They were believed to have disappeared during the mass extinction that killed off about three-quarters of Earth’s species after an asteroid strike at the end of the Cretaceous Period, based on the fossil record.

The coelacanth was given the nickname “living fossil” after being discovered alive, a moniker that is no longer accepted by scientists.

By definition, a fossil is dead, and coelacanths have changed significantly since the Devonian, according to biologist and study co-author Marc Herbin of the National Museum of Natural History in Paris.

What fish fossil is the oldest?

The 439 million-year-old fossil, which was a jawed fish, has excited scientists because it is 11 million years older than any other fish fossil discovered. Other fossil discoveries in the nearby province of Guizhou have also been made at the Chongqing site.

510 million years ago, what was the earliest fish that was known?
(Image Source: Pixabay.com)

510 million years ago, what was the earliest fish that was known?

Ostracoderms Ostracoderms are a number of extinct, primitive fish species with no jaws that were clad in a shell-like covering of bony plates. They first appeared in the Cambrian, roughly 510 million years ago, and went extinct at the end of the Devonian, roughly 377 million years ago.

Around 530 million years ago, during the Cambrian explosion, the evolution of fish got started. The early chordates, which later gave rise to the first craniates and vertebrates, were able to develop the skull and vertebral column during this time. The Agnatha, or jawless fish, are the ancestors of all other fish species. Haikouichthys is one of the earliest examples. The conodonts, a group of small, mostly armored fish, and the ostracoderms, a group of eel-like fish, first emerged in the late Cambrian. The majority of jawless fish are now extinct, but modern lampreys resemble pre-jawed fish that lived in the distant past. The Cyclostomata, which also includes the extant hagfish, is the taxonomic group that includes lampreys. This group may have diverged from other agnathans at an early stage.

The earliest jawed vertebrates likely emerged in the late Ordovician era. The placoderms, a group of armored fish that descended from ostracoderms, and the acanthodii (or spiny sharks) are the first fish to be found in their fossilized forms in the Silurian. The Chondrichthyes (or cartilaginous fish) and Osteichthyes (or bony fish), two groups of jawed fish that are still alive today, also first appeared in the late Silurian. Actinopterygii, or ray-finned fish, and Sarcopterygii, which includes lobe-finned fish, are the two distinct groups that made up the bony fish.

Specifically among the ostracoderms and placoderms, as well as among lobe-finned fish and early sharks, there was a significant increase in fish variety during the Devonian period. Due to this, the Devonian has earned the moniker “age of the fish”. The four-limbed vertebrates known as tetrapods, including modern amphibians, reptiles, mammals, and birds, descended from lobe-finned fish. Early Devonian transitional tetrapods first appeared, and by the late Devonian, the first tetrapods had also emerged. It is unclear whether the advantage of a hinged jaw is greater biting force, improved respiration, or a combination of factors, but the diversity of jawed vertebrates may indicate the evolutionary advantage of a jawed mouth. Due to their exclusion of tetrapods, fish do not represent a monophyletic group, but rather a paraphyletic one..

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When Bulldog Fish Was Alive.
(Image Source: Pixabay.com)

Chelsea Vaughn

Chelsea is a former marine biologist who switched gears in her twenties to build a small house and start a business. She enjoys traveling and going on hiking adventures with her husband, their two Australian Shepherds and their African Grey Parrot.

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