The shapes they adopt vary, from circular, similar to diamonds or spatulas to serrated, small and large, etc.
Fish, reptiles, arthropods, birds and mammals can all present scales
.
What other animal has scales?
What is a pangolin, really? Though many think of them as reptiles,
pangolins are actually mammals
. They are the only mammals wholly-covered in scales and they use those scales to protect themselves from predators in the wild.
Do all vertebrates have a scales?
Vertebrates are animals with a backbone and an internal skeleton. Their skeleton consists of cartilage and bone, a skull with a brain, and limbs.
The outer surface of their body is covered by feathers, skin, scales, fur or hair, or some combination of the above
[source: Britannica].
What animal has scales but is not a fish?
The pangolin
is also the only mammal with scales—similar to those of fish and reptiles, while the shell of the armadillo is bony in nature.
Does fish have scales?
Many fish have an outer covering of scales
. Scales protect fish, much like a suit of armor. All fish have a slimy covering of mucus. This substance allows the fish to swim through the water with very little drag and also makes it difficult for other organism to attach to the fish.
Are fish vertebrates or invertebrates?
Fish are considered
vertebrates
(with a backbone), and most fish have scales, fins, and gills. Fish use their gills to breathe, but some types of fish have lungs as well, and can breathe out of water for long periods of time.
What animal has dry scales?
Reptiles are a class of vertebrates made up mostly of
snakes, turtles, lizards, and crocodilians
. These animals are most easily recognized by their dry, scaly skin. Almost all reptiles are cold-blooded, and most lay eggs—though some, like the boa constrictor, give birth to live young.
Are the scales on fish and reptiles the same?
Fish scales are smooth to help them glide through the water, and some reflect light to help camouflage them underwater.
Unlike reptiles, the scales of bony fish are made of enamel and dentine (like teeth) and they can be detached individually from the skin.
Do dolphins have scales?
The skin of a dolphin has no scales
. It is soft and smooth. However, it is very firm, due to how much muscle they have. Dolphins use echolocation to find their food.
Which vertebrates have no scales?
Frogs, toads, salamanders, and newts
are all amphibians because they are cold-blooded, have no scales, hair, or feathers, their skin is moist, they lay eggs in water, and their life cycle has two stages, the “pollywog” or larval stage and the adult stage. 1. Reptiles are ectothermic vertebrates. 2.
Which fish have Ganoid scales?
Ganoid scales (or modified ganoid scales) are found in fishes such as the
bichirs (Polypteridae), Bowfin (Amia calva), paddlefishes (Polyodontidae), gars (Lepisosteidae), and sturgeons (Acipenseridae)
.
Are fish scales made of keratin?
Scales occur on fishes and reptiles.
Fish scales are made from more than just keratin
. They are often derived from bone in the deeper layers of the skin (the middle section of tissues called the mesoderm), which are named the dermal layer.
Which animals have no scales?
Amphibians
live part of their lives on land and part of their lives in the water. They have smooth, moist skin with no scales, feathers, or hair.
What has scales but is not a fish riddle answer?
Colrath
is a fearsome dragon and one the final bosses of the game, The Hollow. He appears in the Season 1 finale “Colrath.” He is the answer to Dave’s riddle, “What has scales but is not a fish; has wings but is not a bird?”
What are animals with backbones called?
An animal that has a backbone and skeletal system is called
a vertebrate
. Vertebrates are animals with backbones and skeletal systems. A backbone can also be called a spine, spinal column, or vertebral column.
How many scales do fish have?
There are
four types
of fish scales – placoid, cycloid, ctenoid (pronounced ‘ten-oid’), and ganoid.
Which fish do not have scales?
Fishes that don’t have scales include the
clingfish, catfish, and shark
family, among others. Instead of scales, they have other layers of material over their skin. They can have bony plates that are also covered by another layer or tiny, teeth-like protrusions covering their skin.
Do bony fish have scales?
Scales.
Most species of bony fishes are covered with and protected by a layer of plates called scales
. There are four different kinds of bony fish scales: cosmoid, ganoid, cycloid, and ctenoid.
Is fish a mammal or reptile?
Fish are not mammals
because most of them are not warmblooded, though some sharks and species of tuna are exceptions. They do not have limbs, fingers, toes, fur, or hair, and most of them can’t breathe air, though the lungfish and the snakehead are also exceptions.
Is fish considered an animal?
Fishes are a group of animals
that are completely aquatic vertebrates that have gills, scales, swim bladders to float, most produce eggs, and are ectothermic. Sharks, stingrays, skates, eels, puffers, seahorses, clownfish are all examples of fishes.
What are some examples of vertebrates and invertebrates?
Flatworms, arthropods, sponges, insects
are a few examples of Invertebrates. Mammals, fish, reptiles, amphibians, and birds are examples of Vertebrates.
Is fish a reptile?
Fish are considered animals, but
they are not reptiles
. Specific characteristics need to be met for an organism to be classified as an animal.
Do turtles have scales?
Turtles are reptiles and
like all reptiles, they have scales
. The scales on their shell are specialized plates called scutes (pronounced “scoots”). When the turtle grows, the scutes shed or peel way, and the new scute that grows underneath is larger than the old scute. This process is similar to a snake shedding.
Is an alligator a reptile?
Reptiles are turtles, snakes, lizards, alligators and crocodiles
. Unlike amphibians, reptiles breathe only through their lungs and have dry, scaly skin that prevents them from drying out. Amphibians and reptiles are together called herpetofauna, or “herps” for short.
Do fish and reptiles have scales?
Most reptiles and fish bear scaly outer coverings, although exceptions exist in both categories
. For example, catfish have no external scales and snakes occasionally exhibit a genetic mutation in which they fail to produce scales.
How do fish differ from reptiles?
A fish is an aquatic vertebrate that is cold blooded or ectothermic. The reptile is also a cold blooded animal that is covered by scutes or scales.
Fish also have scales, although they are absent in cartilaginous fish. They have paired or unpaired fins, while reptiles have small legs for limbs
.
How are the scales of fish different from lizards?
Through reptiles and most of the fishes have scaley skin, they differ from each other. Reptiles skin is dry,rough and water-tight.
Most of the fishes have a boney, scaley structure on their skin
. But the species of fishes that do not have scales, like sharks, angel fish, etc have smooth and slippery skin.
