Gadiformes

Gadiformes are an order of ray-finned fish, also called the Anacanthini, that includes the cod and its allies. Many major food fish are in this order. They are found in marine waters throughout the world and the vast majority of the species are found in temperate or colder regions (tropical species are typically deep-water). A few species may enter estuaries but only one, the burbot (Lota lota), is a freshwater fish.

Gadiformes
Gadus morhua
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Superorder: Paracanthopterygii
Order: Gadiformes
Goodrich, 1909
Type species
Gadus morhua
Linnaeus 1758
Families

Common characteristics include the positioning of the pelvic fins (if present), below or in front of the pectoral fins. Gadiformes are physoclists, which means their gas bladders do not have a pneumatic duct. The fins are spineless. Gadiform fish range in size from the codlets, which may be as small as 7 cm (2.8 in) in adult length, to the Atlantic cod, Gadus morhua, which reaches up to 2 m (6.6 ft).[2]

Timeline of genera
QuaternaryNeogenePaleogeneCretaceousHolocenePleistocenePlioceneMioceneOligoceneEocenePaleoceneLate CretaceousEarly CretaceousPollachiusMelanogrammusMicrogadusTheragraGadellaPseudophycisBrosmeGadomusGadusBolbocaraEclipesLaemonemaLepidionMerlangiusMolvaPhysiculusVentrifossaTrichiurichthysBregmaceriniaCoryphaenoidesMicromesistiusTrisopterusPalaeomolvaPseudoranicepsGadiculusGaidropsarusHymenocephalusLotaPhycisSqualogadusEophycisBathygadusMacruronusTripterophycisBregmacerosMelanonusMerlucciusNezumiaRanicepsUrophycisPalaeogadusTrichuridesRhinocephalusParatichthysRankinianQuaternaryNeogenePaleogeneCretaceousHolocenePleistocenePlioceneMioceneOligoceneEocenePaleoceneLate CretaceousEarly Cretaceous
gollark: I looked at the datoids™, and this seems a bad idea for various reasons.
gollark: I am probably to go to university next year, but I still haven't actually decided what to study.
gollark: ++remind 35m a
gollark: ++remind 35 minutes a.
gollark: Wrong.

References
  1. Iwamoto, T., Nakayama, N., Shao, K.-T. & Ho, H.-C. (2015): Synopsis of the Grenadier Fishes (Gadiformes; Teleostei) of Taiwan. Proceedings of the California Academy of Sciences, (Series 4), 62 (3): 31-126.
  2. Cohen, D.M. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. pp. 130–132. ISBN 0-12-547665-5.
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