23 January 2008

The fihses

Bicara soal ikan air tawar. Fish isn’t strange animal. Every one know taht, fish is an animal water that has fin and can swim there. This animal can found the whole of the world. In the worid, there are more thousand of fish, with shape, colour, lifecycle, and the other uniqueness. The fishes is very interesting for the people, exspecialy for daily comsumting as source of protein.

Fin is one of the spesificaly characteristics of the fish, because this organ don’t has the other animals. The fish doesn’t has legs, like shrimp or crab. The fish doesn’t has house like snail or crustacea. Swim the fast aldo the specificaly characteristic of the fish. Swim is used for hunting, and catching the food. Swim is used for going way the enemis.

The fishes consist head, body, and tail. Mouth, eyes, noise, and covergills in the head. Skin in the body and covereds the all of body. Common carp, Oreochromis sp. and Osphronemus gourrame are three of the skin fishes. Beside skin fishes, there are fishes without the skin, or only leather cover surface the all of body. Eel, catfish, belut are three of the fish without skin.

Most the fhe fishes have five fin, that is pectoral fin, dorsal fin, venteral fin, anal fin, and caudal fin. But there are fihses only three or four fin. Pectoral fin in the back, dorsal fin in the stomach, venteral fin in the breast, anal fin in the hole of secrese, and caudal in the tail. There are hard fin, but there are soft fin. Fin for swiming, and balancing of the body.

Most of the fishes breath by the gills. There are too, fishes breath by the lungs. Common carp, nile and catfish three of the fishes which breath by the gills. Whale is the fish which breath by the lungs. Beside the gills anda the lungs, a few fish breath by other organ as helftools, like eel and Clarias sp. Breath of the eel is helfed by the leather surface. Breath of the Crarias sp. is helfed by the labyrins.