A fluid discharge head comprising: a channel member comprising a plurality of discharge holes, a plurality of pressurization chambers individually linked to the plurality of discharge holes, a first shared channel linked to the plurality of pressurization chambers, and a second shared channel linked to the plurality of pressurizing chambers; and a plurality of pressurization portions that individually pressurizes the plurality of pressurization chambers, wherein each pressurization chamber is defined by a pressurization chamber body that faces the respective pressurization portion and a partial channel that links the pressurization chamber body to and opens into the respective discharge hole, wherein the first shared channel opens at a plurality of first openings linked to the plurality of pressurization chambers, and the first shared channel comprises a first connection region that is a range of distribution of the plurality of first openings in a channel direction of the first shared channel, wherein the second shared channel opens at a plurality of second openings linked to the plurality of pressurization chambers, and the second shared channel comprises a second connection region that is a range of distribution of the plurality of second openings in a channel direction of the second shared channel, wherein the channel member further comprises a bypass channel linked to the first connection region and the second connection region that is in parallel with the plurality of pressurization chambers, wherein the channel member comprises a plurality of relay channels linking the plurality of pressurization chambers and the plurality of second openings to each other, and wherein the bypass channel is connected to at least one relay channel of the plurality of relay channels and is linked to the second connection region via the at least one relay channel. a channel member comprising a plurality of discharge holes, a plurality of pressurization chambers individually linked to the plurality of discharge holes, a first shared channel linked to the plurality of pressurization chambers, and a second shared channel linked to the plurality of pressurizing chambers; and a plurality of discharge holes, a plurality of pressurization chambers individually linked to the plurality of discharge holes, a first shared channel linked to the plurality of pressurization chambers, and a second shared channel linked to the plurality of pressurizing chambers; and a plurality of pressurization portions that individually pressurizes the plurality of pressurization chambers, wherein each pressurization chamber is defined by a pressurization chamber body that faces the respective pressurization portion and a partial channel that links the pressurization chamber body to and opens into the respective discharge hole, wherein the first shared channel opens at a plurality of first openings linked to the plurality of pressurization chambers, and the first shared channel comprises a first connection region that is a range of distribution of the plurality of first openings in a channel direction of the first shared channel, wherein the second shared channel opens at a plurality of second openings linked to the plurality of pressurization chambers, and the second shared channel comprises a second connection region that is a range of distribution of the plurality of second openings in a channel direction of the second shared channel, wherein the channel member further comprises a bypass channel linked to the first connection region and the second connection region that is in parallel with the plurality of pressurization chambers, wherein the channel member comprises a plurality of relay channels linking the plurality of pressurization chambers and the plurality of second openings to each other, and wherein the bypass channel is connected to at least one relay channel of the plurality of relay channels and is linked to the second connection region via the at least one relay channel.