Fishes Used by Humans (based on FishBase 08/2021 )
  Species total Families Remarks
n % n % Click to see the number of species per Class, Order and Family.
Extant finfish 34,786 100 600 100
Used in fisheries 4,656 16.3 382 72.3 Industrial and artisanal fisheries.
Used in Aquaculture 358 1.2 93 17.6 Commercially used for aquaculture, either for food or stock enhancement.
Used as bait 205 0.7 58 11 Used as bait fishes.
In ornamental trade 3,240 11.3 213 40.3 Commercial aquarium species.
     marine 1,332
     freshwater 1,908
     mainly bred 710
Used as sport fish 1,140 4 201 38.1 Game fishes.

Total used by humans 7,406 25.9 430 81.4 Used in fisheries, aquaculture, as bait, ornamental, or game fish.

Finfish Affected by Humans

Threatened 3,057 10.7 239 45.3 Threatened fishes in IUCN Red List.
Introduced 930 3.2 191 36.2 Transferred to and established in another country

Finfish Affecting Humans

Dangerous 1,042 3.6 145 27.5 Poisonous, venomous, traumatogenic, pests, etc.

Note: The above numbers are based on the reported use of fishes, i.e., each record has a reference. The number for Fisheries is underestimated because many species that are important in artisanal fisheries are not reported in the literature. The same is true for bait fishes.

Number of finfish in FishBase as of 08/2021
Species (including subspecies): 34,786
Only in fresh waters:: 15,842
Only in marine waters: 15,822
Brackish or diadromous : 3,120

By Class:
Hagfishes (Myxini) 87
Lampreys (Petromyzonti) 48
Chimaeras (Holocephali) 57
Sharks and rays (Elasmobranchii) 1,250
Ray-finned fishes (Actinopteri) 33,320
Bichirs (Cladistii) 14
Lobe-finned fishes (Coelacanthi) 2
Lungfishes (Dipneusti) 6