WitrynaThe primary purpose of scales is to give the fish external protection. How many types of scales are there? There are four main kinds of scales and numerous variations of … Witryna5 mar 2024 · Their thin fins consist of webs of skin over flexible bony rays, or spines. The fins lack muscle, so their movements are controlled by muscles in the body wall. You can compare their ray fins with the fleshy fins of lobe-finned fish in Figure below. Fins of Bony Fish. The fins of ray-finned and lobe-finned fish are quite different.
Electric fish - Wikipedia
Witryna26 maj 2024 · Armour – slow swimming fish such as a seadragon, seahorse or boxfish have a body armour made up of bony plates. Spines – some fish have venomous spines e.g. stonefish, lionfish and estuarine cobbler. Slime/mucous – Anemone fishes have a mucous covering that protects them from the sting of anemone tentacles. WitrynaThe difference between teleosts and other bony fish lies mainly in their jaw bones; ... A 2014 study challenges this idea and suggests that the adipose fin is an example of convergent evolution. ... It is often … micro business loans for bad credit
Fish gill - Wikipedia
WitrynaThere are a few examples of fish that self-fertilise. The mangrove rivulus is an amphibious, simultaneous hermaphrodite, producing both eggs and spawn and having internal fertilisation. This mode of reproduction … Witryna16 mar 2024 · 21 What is the healthiest type of fish to eat? What are anchovies? Anchovies are a tiny fish that is high in omega-3 fatty acids and may be found almost anywhere.It is possible to get this little fish in the fresh seafood area; it is also available in cans, on pizza, and even in dried form.But what exactly do these little fish have to offer? WitrynaThe shared trait of breathing via gills in bony fish and cartilaginous fish is a famous example of symplesiomorphy. Bony fish are more closely related to terrestrial vertebrates, which evolved out of a clade of bony … micro butane torch lighter