Acanthopterygii

Red Lionfish (Pterois volitans)

The bream ( Acanthopterygii ( = Euacanthomorphacea in Betancur -R., Et al., 2013) ) are a taxon of genuine bony fish ( Teleostei ), to which according to Nelson ( 2006) over 250 families and more than 14,000 species belong. They are worldwide in the sea and spread in almost all freshwater.

Features

Named giving feature of the group are the sting rays in the dorsal and the anal fin, and in the ventral fins, which can also be formed again however again. Other features are strong comb scales and barbed gill cover. In its development, there is a tendency that the pectoral fins always above ( dorsal) are stated, the pelvic fins move forward towards the throat. Most bream can evaginate far their upper jaw more or less. Here, the premaxilla is far advanced from the bone association the maxilla. The mechanisms are different, especially between Atherinomorphae and the other Percomorphaceae. Overall, they developed four different mechanisms for funds for the maxilla (see fish mouth ).

First bream were in the Upper Cretaceous.

System

The following are Untertaxa by Ricardo Betancur -R. and colleagues ( 2013) to the Stachelflossern:

• Bream ( Euacanthomorphacea ) Under Division Berycimorphaceae Order mucus -like head ( Beryciformes )

• Order soldiers and hussars fish ( Holocentriformes )

The following cladogram shows the systematic position of the bream:

Tiefseequappenartige ( Ateleopodiformes )

Eidechsenfisch Related ( Aulopiformes )

Lantern Fishy ( Myctophiformes )

Gloss Fishy ( Lampridiformes )

Paracanthomorphacea (perch -like salmon, dories, Stylephorus chordatus, cods )

Bart Fishy ( Polymixiiformes )

Berycimorphaceae: mucus -like head ( Beryciformes )

Holocentrimorphaceae: Soldiers and hussars fish ( Holocentriformes )

Related perch ( Percomorphaceae )