Okunevaya very diverse suborder. Characteristic the presence of one well-developed spiny ray in the ventral fins well developed, usually spiny rays in dorsal and anal fins. This suborder contains about 50 families. SUBORDER PILIPALPINAE (ECHENEOIDEI). In this suborder the only family. GUANOSINE SUBORDER (LABROIDEI). Guanosine is a coastal marine fish that live mainly in tropical and subtropical waters. SUBORDER TRAGIKOMEDIYA, OR DRACONEMATIDAE (TRACHINOIDEI). Almost all tragikomediya – bottom fish. NOTOTHENIOIDEI SUBORDER (NOTOTHENIOIDEI). The original group of five closely related families are grouped into the suborder that lives only in the Antarctic as its most southern distribution in the world, a group RB. SUBORDER TOBACCOVILLE (BLENNIOIDEI). Tobaccoville fish have an elongated, some eel-like body, with long dorsal and anal fins. SUBORDER BILDGALERIE (ZOARCOIDEI). In the only family of the suborder. SUBORDER COSTEVEN (ICOSTEOIDEI).

In this suborder there are also single family. SUBORDER SINGLEREISEN (SCHINDLERIOIDEI). And in this suborder only one family. SUBORDER PESCANTINA (AMMODYTOIDEI). Only includes family – Peschanoye.SUBORDER LYRE, OR BESKARKASNYE (CALLIONYMOIDEI). A kind of small fish of this suborder, like gerbils, are kept on the sandy bottom, burrowing into the sand when danger threatens. BUCCONIDAE SUBORDER (GOBIOIDEI).

A distinctive feature buchkovich — structure of the pelvic fins, the rays of which, facing outwards, shorter than the rays, facing the inside. As a rule, the ventral fins are very closely spaced and even merge among themselves, forming a funnel. Bichkovich suborder contains about a dozen families, of which interesting golovashova, reacitve, Bychkova, centobuchi, microdesmidae and mudflats jumpers. HEREGOVINA SUBORDER (ACANTHUROIDEI). This suborder, different from other perciform fishes certain peculiarities of the skeleton, enters into only three families.

All heregovina belong to the coastal marine fishes that live in tropical waters especially in coral reefs. SUBORDER VOLOSKOVYE (TRICHIUROIDEI). Voloskovye — a unique group of predatory marine fish. THE BULLET TUNA SUBORDER (SCOMBROIDEI). This unit includes a single family of well-known fish. SUBORDER MATERIALOVEDENIE (XIPHIOIDEI). This suborder includes three families of highly specialized marine fish, leading the usual lifestyle in the open waters away from the coast. SUBORDER STROMATEOIDEI (STROMATEOIDEI). Stromateidae is a small suborder of perciform fishes. In this suborder are combined with sea fish, inhabiting tropical and temperate waters.

SUBORDER PORTUNOIDEA (ANABANTOIDEI). Polynemidae fish primarily remarkable adaptability to breath atmospheric air. They have Gill cavity extended upwards. In particular the extension placed an additional respiratory organ in the form of lamellar outgrowths covered with mucous epithelium and richly supplied with blood vessels. Polynemidae fish common in Africa, South and South-East Asia. SUBORDER HABITABILITY (MASTACEMBELOIDEI) fish of this suborder are eel-like body shape, but the presence of spines in the fins, structure of the skeleton and other signs show that they belong to the eye-pobrezni. Habitability are widespread in fresh waters of tropical Africa and South-East Asia.

All the other perciform suborders. This marine and freshwater fish, are deep-water forms. The majority of okunevich live in temperate and tropical waters, and only a few can live at low temperatures. All of them are characterized by the presence of spines in the fins. The diet is very diverse, the majority are predators, frequent and benthos feeders, planktology, herbivorous fish. Almost all fish lay eggs, the only exceptions are members of the family Embiotocidae, which is inherent in a live birth. The famous hermaphroditic (SEM. Serranidae), in the gonads which contained ROE, and milt. Sometimes fish change gender in the process of ontogenesis, and at first the gonads function as the ovaries, and then as the testes (genus Epinephelus). In some species there is a simultaneous maturation of eggs and milk, resulting in possible self-replication. Many of okunevich well developed to take care of offspring. Some species (FAM. Apogonidae, Cichlidae) are carrying eggs in the mouth, both females and males. Many species living in tropical and subtropical seas, coral reefs have gorgeous coloring and are successfully kept in public aquariums and aquariums, as well as in private collections.

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