How big do Leporinus get?

What is the shape of the lateral line of a puffer fish?

It has a rectangular, compressed body which is dusky reddish-brown on the back and pale brownish underneath. The lateral line scales are pale, and along the arch of the lateral line is a broad irregular stripe of dark scales about three scale rows wide.

What does a blue and yellow striped fish look like?

Both the male and female are covered in dark blue, almost black vertical stripes over a light blue body. They stay small at around 8 cm/3” total length, and when kept with fish like Yellow labs, the clash of blue and yellow can look superb.

What does a scorpionfish look like?

From the top, it looks more rounded with the head and torso looking top-heavy and a tail that is often curled slightly to one side. The scorpionfish (right) looks more like a fish with a slender body, longer snout and a mouth that is angled but not grumpy.

What does a porcupinefish look like?

When the spines are folded flat against the body, they look like little uneven bumps on the body of the porcupinefish. Both are predominantly red, have large eyes and large scales, but only squirrelfish (left) have a visible spine on the gill cover that is absent in soldierfish (right).

What are the characteristics of a scorpion fish?

Scorpion fishes have long bodies that are covered in feather-laden fins. They have skin flaps that also help them easily camouflaging and blend in with their surroundings. Some scorpionfishes are brown or yellow, while others exhibit bright colors like red or orange.

What is the difference between lionfish and scorpionfish?

Most scorpionfish, such as the stonefish, wait in disguise for prey to pass them by before attacking, while lionfish often ambush their prey. Like many perciform fishes, scorpionfish are suction feeders that capture prey by rapidly projecting a suction field generated by the expansion of the fish’s buccal (mouth) cavity.

Is a scorpionfish a fish or a stone?

In addition to the name scorpionfish, informal names for other family members include the lionfish, stonefish, firefish, turkey fish, dragonfish, and stingfish. Stone or Fish? There are 172 different species of scorpionfish and vary greatly in size. The smallest ones are about the size of your smallest finger.

What is the difference between a scorpionfish and surgeonfish?

The scorpionfish (right) looks more like a fish with a slender body, longer snout and a mouth that is angled but not grumpy. Surgeonfish have a scalpel-like spine at the base of the tail which is absent in other fishes.

Why is it called porcupine fish?

The body of this fish is covered with long sharp spines that remain covered when the body is deflated. When the fish inflates its body, these spines stand out, and it seems like hundreds of needles are protruding from the body. Hence, this fish is aptly known as the porcupinefish.

What is the size of a porcupinefish?

The porcupinefish, or the blowfish or balloon fish as it is also known as, is a medium size fish that is 25-90 cm long.

What is the function of lateral line in amphibians?

In some species, the receptive organs of the lateral line have been modified to function as electroreceptors, which are organs used to detect electrical impulses, and as such, these systems remain closely linked. Most amphibian larvae and some fully aquatic adult amphibians possess mechanosensitive systems comparable to the lateral line.

What is the lateral sensory line of a char fish?

Lateral sensory line of a char fish. The lateral line system is a way of detecting wave energy as it passes over, or bounces off, the fish’s body. It works using mechanoreceptors similar to those responsible for the senses of hearing and balance.

How many dorsal spines does a scorpionfish have?

The scorpionfish has a compressed body with ridges or spines on its head, 11 to 17 dorsal spines, and pectoral fins with well-developed rays. The fish come in all colors. Lionfish are brightly colored, so potential predators can identify them as a threat.

What are the characteristics of a scorpionfish?

Scorpionfishes have large, heavily ridged and spined heads. Venomous spines on their back and fins with a groove and venom sack. Well camouflaged with tassels, warts and colored specks. Some scorpionfishes can change their color to better match their surroundings.

How can you tell the difference between a rock and Stonefish?

Due to their appearance, you’d really have a tough time discerning them from a rock. Stonefish spines are much more venomous than those of Lionfish and Scorpionfish. They are thicker and more prominent, too. Additionally, Stonefish boast a sharp specialized spike, a lachrymal saber, as an extra defensive weapon.

Do stonefish have spikes?

Stonefish spines are much more venomous than those of Lionfish and Scorpionfish. They are thicker and more prominent, too. Additionally, Stonefish boast a sharp specialized spike, a lachrymal saber, as an extra defensive weapon. You can find Stonefish in the coastal regions of the Indo-Pacific.

How can you tell the difference between lionfish and Stonefish?

Like Scorpionfish, their feeding strategy is to sit and wait for their prey. Due to their appearance, you’d really have a tough time discerning them from a rock. Stonefish spines are much more venomous than those of Lionfish and Scorpionfish. They are thicker and more prominent, too.

How many species of scorpionfish are there?

The Scorpaenidae is a large family, counting several hundred distinct species. Most of them are very recognizable (if you can spot them) and highly venomous! Where Scorpionfish, Lionfish, and Stonefish diverge is in the subfamilies (genera). True Scorpionfish belong to the Scorpaena subfamily.

Do scorpionfish have spines?

Sometimes called rockfish or stonefish because they commonly live among rocks, scorpionfish are perchlike fish with large, spiny heads and strong, sometimes venomous, fin spines. The fin spines, with or without venom, can produce deep and painful wounds.

What is a spot-fin porcupinefish?

The spot-fin porcupinefish ( Diodon hystrix ), also known as the spotted porcupinefish, black-spotted porcupinefish or simply porcupinefish, is a member of the family Diodontidae . The spot-fin porcupinefish is a medium-sized fish which grows up to 91 cm, but the average size mostly observed is 40 cm.

Do porcupine fish have spines?

Porcupinefish can also inflate their bodies with water or air, but these fishes are also armed with well-developed spines from head to tail. These spines, which can be up to 5 cm (2 in.) long, make the porcupine fish even more difficult to attack.

Why is the porcupinefish called a balloon fish?

It swallows water or air and inflates like a balloon. The body of this fish is covered with long sharp spines that remain covered when the body is deflated. When the fish inflates its body, these spines stand out, and it seems like hundreds of needles are protruding from the body. Hence, this fish is aptly known as the porcupinefish.

What did Darwin say about porcupine fish?

The porcupine fish (as Diodon antennatus) is mentioned in Charles Darwin’s famous account of his trip around the world, The Voyage of the Beagle. He noted how the fish can swim quite well when inflated, though the altered buoyancy requires them to do so upside down. Darwin also mentioned hearing that a fellow naturalist, Dr.

What makes porcupine fish so hard to attack?

Porcupinefish can also inflate their bodies with water or air, but these fishes are also armed with well-developed spines from head to tail. These spines, which can be up to 5 cm (2 in.) long, make the porcupine fish even more difficult to attack. For more information about bony fishes, explore the Bony Fishes InfoBook.

What kind of fish have two lateral lines?

Fish have two lateral lines, which run the length of each side of their bodies, from the head to the tail. They are clearly visible on most species of fish, including largemouth and smallmouth bass, walleyes and northern pike. Less visible lateral pores are also located around the head, and their location varies from one species to the next.

What is the lateral line system?

The lateral line system is a collection of small mechanoreceptive patches or neuromasts located superficially on the skin or just under the skin in fluid-filled canals on the head and body of all fishes.