Taxonomy of Finfish (1+2)

3.3.12 Gasteroseteiformes

1. Long extended jaw

2. Caudal Fin sometime absent

3. Snout tube like

4. Elongated, small body having plates

5. Pelvic girdle never attached direectly to cleithra.

6. body often with armor of dermal plates.

It has two suborders;

a. gasterosteoidei

Upper jaw protractile, ascending process of premaxilla well developed.

b. Syngnathoidei:

Mouth small

Tube like mouth

Ribs absent

Most of them comes under scheduled organisms.