How many species of hatchetfish are there?

How many different types of hatchetfish are there?

Gasteropelecus contains three species, G. sternicla, G. levis and G. maculatus . These two genera contain the largest in size of the hatchetfish, and all are silver in colouration; G. sternicla is the more frequently seen of these five species, though any of them may be offered as “Silver Hatchetfish.”

What is another name for a hatchetfish?

Other common names they are known by are River Hatchetfish and Silver Hatchetfish. In the wild, they prefer areas with an abundance of surface vegetation. The Common Hatchetfish can be found at the surface most of the time but will retreat occasionally if they feel threatened or when feeding.

How did the Jewfish get its name?

There are several theories for how the jewfish ( Promicrops itaiara ), an Atlantic saltwater grouper with fins and scales, got its name. It may derive from the Italian “ giupesce ,” which means “bottom fish,” or may have originally been named “jawfish” for its large mouth.

What is the origin of the word trout?

And “trout” comes from the Latin trocta, which means “the greedy fish”. thanked the writer. blurted this. It depends on where it lives, and what it looks like.

What is the most popular type of hatchetfish?

The most popular of this group is the Marbled Hatchetfish C. strigata, and is also the most patterned, sporting black/brown broken patches on a silver body. There are two variations of this species; one has more silver with lighter marks whilst the other has more solid black markings.

Where does the hatchet fish come from?

Originating in South America in the Peruvian and middle Amazon, the Guianas and Venezuela, it grows to about 2.5 inches (6.5 cm). The fish gets its name from its relatively large protruding belly which resembles a hatchet.

What is a spotted hatchet fish?

Spotted hatchet fish belong to the Sternoptychinae subfamily and their scientific name is Gasteropelecus maculatus. They inhabit the tropical, subtropical and temperate waters of the Atlan tic, Pacific and Indian Oceans. Spotted hatchet fish are small deep-sea fish that have developed a peculiar body shape.

How does the swordfish use its sword to spear?

Contrary to popular belief, the “sword” is not used to spear, but instead may be used to slash at its prey to injure the prey animal, to make for an easier catch. Mainly, the swordfish relies on its great speed and agility in the water to catch its prey. It is undoubtedly among the fastest fish,…

What is a redspotted sunfish?

The redspotted sunfish ( Lepomis miniatus) is a species of freshwater ray-finned fish, a sunfish from the family Centrarchidae which is native to the United States. The redspotted sunfish is a freshwater fish that can be found throughout the Mississippi River Valley.

What is the difference between salmon and trout?

Trout are closely related to salmon. They are important sport fishes and are often raised in hatcheries for later transferral to habitable bodies of water. …this group are the familiar trouts, salmons, pikes, mudminnows, smelts, and others.

What do marbled hatchet fish eat?

In the aquarium they will accept all kinds of food being recommended not to feed them exclusively with flakes and offer them from time to time live or frozen food in the form of brine shrimp or mosquito larvae. We must keep in mind that marbled hatchet fish only take the food that remains on the surface.

What are some hatchet questions?

Hatchet Questions: Answer questions on a separatc shcct of paper. Write and underline each question. Chapters 3 and 4 l. Where does the plane crash? 2. What do you know now about “the Secret”? 3. Brian loses consciousness after the crash. Where is he when he first revives and how does he feel? 4. Brian sleeps for a while.

Where do spotted hatchet fish live?

They inhabit the tropical, subtropical and temperate waters of the Atlan tic, Pacific and Indian Oceans. Spotted hatchet fish are small deep-sea fish that have developed a peculiar body shape.

When did the sawfish get its name?

Sawfish were occasionally mentioned in antiquity as much as 1800–2400 years ago, in works such as Pliny’s Natural History (77–79 AD). Pristis, the scientific name formalised for sawfish by Linnaeus in 1758, was also in use as a name even before his publication.

What kind of fish has a sword like jaw?

Swordfish Identification These large fish, which are also known as the broadbill or broadbill swordfish, have a distinctive pointed, sword-like upper jaw that is over 2 feet long. This “sword,” which has a flattened oval shape, is used to stab prey. Their genus Xiphias comes from the Greek word xiphos, which means “sword.”

Why do swordfish use their nose as a spear?

Their nose is more likely used to slash at its prey to injure the prey animal, to make for an easier catch. The use as an offensive spear in case of dangers against large sharks or animals is under review . Mainly, the swordfish relies on its great speed and agility in the water to catch its prey.

How do Swordfish kill their prey?

Swordfish charge at high speeds through forage fish schools, slashing with their swords to kill or stun prey (contrary to the popular belief, they do not “spear”). They then turn and return to consume their catch.

Can a Swordfish be used as a spear?

These include the swordfish, marlin, tuna, and some sharks. The popular belief of the “sword” being used as a spear is misleading. Their nose is more likely used to slash at its prey to injure the prey animal, to make for an easier catch. The use as an offensive spear in case of dangers against large sharks or animals is under review .

How does the swordfish use its long nose?

The Swordfish uses his long nose to spear small fish once they are hooked. The Swordfish is a Huge, fast fish with a sleek blue and white body. It will chase after Small fish and can steal them off the hook, leaving them stuck to its long snout.

Is the sunfish a tree of life?

The sunfish tree of life. Image courtesy of San Francisco State University . The International Union for Conservation of Nature (IUCN) recognises Mola mola as Vulnerable to extinction.

What kind of sunfish has red eyes?

This type of sunfish is called redeyes because it has a red eyes. And as a freshwater sunfish, this type of sunfish can reach is length up to 47 cm which is quite long for freshwater fish size. You may find this type of freshwater sunfish in the Alabama. In the river of Coosa that has a cold water temperature. 8.

Where can I find redspotted sunfish?

The redspotted sunfish is a freshwater fish that can be found throughout the Mississippi River Valley. The distribution spreads north into Illinois and to the Ohio river, west into Texas and to Oklahoma’s Red River, and east to the Chattahoochee River in Georgia.

Why is the redspotted sunfish population decreasing?

A popular theory is that the redspotted sunfish has struggled due to a loss of wetlands, which make up the sunfish’s natural habitat. The population may also be declining due to increasingly poor water conditions or from competition with invasive species. Lepomis miniatus feeds primarily on benthic species.