Order Summary for Stomiiformes
Main Ref
:
Order
:
Stomiiformes lightfishes and dragonfishes
Class
:
Teleostei
Sister Order
:
Aulopiformes 70 M years
Ref.
:
First Fossil Record
:
late Cretaceous
Occurs in
:
Marine
Fresh
Brackish
Remark
:
Luminescent organs (photophores) present; chin barbel present in some; premaxilla and maxilla in gape of mouth - both have teeth; mouth extending past eye in most; scales, if present, cycloid and easily lost; pectoral, dorsal, or adipose fins absent in some; ventral adipose fin present in some; pelvic fin rays 4-9; branchiostegal rays 5-24. Color in most is dark brown or black; some are silvery (primarily some Gonostomatoidei). Most tropical to temperate; many are deep-sea.
Class etymology
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
Order etymology
:
Greek, stoma = mouth + Latin, forma = shape (Ref. 45335).
Families
:


Ref.
[ e.g. 9948 ]      
Glossary
      [ e.g. oophagy ]