Fishes Used by Humans (based on FishBase 12/2019 )
  Species total Families Remarks
n % n % Click to see the number of species per Class, Order and Family.
Extant finfish 34,342 100 579 100
Used in fisheries 4,655 16.3 359 68 Industrial and artisanal fisheries.
Used in Aquaculture 358 1.2 88 16.7 Commercially used for aquaculture, either for food or stock enhancement.
Used as bait 205 0.7 52 9.8 Used as bait fishes.
In ornamental trade 3,227 11.3 201 38.1 Commercial aquarium species.
     marine 1,322
     freshwater 1,905
     mainly bred 710
Used as sport fish 1,139 4 195 36.9 Game fishes.

Total used by humans 7,396 25.8 407 77.1 Used in fisheries, aquaculture, as bait, ornamental, or game fish.

Finfish Affected by Humans

Threatened 2,457 8.6 211 40 Threatened fishes in IUCN Red List.
Introduced 930 3.2 180 34.1 Transferred to and established in another country

Finfish Affecting Humans

Dangerous 1,041 3.6 138 26.1 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 12/2019
Species (including subspecies): 34,342
Only in fresh waters:: 15,666
Only in marine waters: 15,562
Brackish or diadromous : 3,115

By Class:
Hagfishes (Myxini) 82
Lampreys (Cephalaspidomorphi) 47
Chimaeras (Holocephali) 56
Sharks and rays (Elasmobranchii) 1,232
Lobe-finned fishes (Sarcopterygii) 8
Ray-finned fishes (Actinopterygii) 32,917