diff --git a/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/constants.ts b/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/constants.ts
index 98b4a33491..e29d906e6a 100644
--- a/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/constants.ts
+++ b/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/constants.ts
@@ -6,8 +6,6 @@ import type { ManualPriorNotificationFormValues } from './types'
 
 import PurposeCode = PriorNotification.PurposeCode
 
-export const BLUEFIN_TUNA_EXTENDED_SPECY_CODES = ['BF1', 'BF2', 'BF3']
-
 const FISHING_CATCH_VALIDATION_SCHEMA: ObjectSchema<PriorNotification.FormDataFishingCatch> = object({
   faoArea: string().when('$hasGlobalFaoArea', {
     is: false,
diff --git a/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/fields/FormikFishingCatchesMultiSelect/FormikExtraField.tsx b/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/fields/FormikFishingCatchesMultiSelect/FormikExtraField.tsx
index 585acaf675..8ff0aca710 100644
--- a/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/fields/FormikFishingCatchesMultiSelect/FormikExtraField.tsx
+++ b/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/fields/FormikFishingCatchesMultiSelect/FormikExtraField.tsx
@@ -2,7 +2,7 @@ import { FormikNumberInput } from '@mtes-mct/monitor-ui'
 import styled from 'styled-components'
 
 import { InputWithUnit, SubRow } from './styles'
-import { BLUEFIN_TUNA_EXTENDED_SPECY_CODES } from '../../constants'
+import { BLUEFIN_TUNA_EXTENDED_SPECY_CODES } from '../../../../constants'
 
 import type { PriorNotification } from '@features/PriorNotification/PriorNotification.types'
 
diff --git a/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/fields/FormikFishingCatchesMultiSelect/index.tsx b/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/fields/FormikFishingCatchesMultiSelect/index.tsx
index 18c2b13322..0c63ac0b02 100644
--- a/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/fields/FormikFishingCatchesMultiSelect/index.tsx
+++ b/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/fields/FormikFishingCatchesMultiSelect/index.tsx
@@ -1,5 +1,6 @@
 import { useGetSpeciesQuery } from '@api/specy'
 import { FieldsetGroupSpinner } from '@features/Mission/components/MissionForm/shared/FieldsetGroup'
+import { BLUEFIN_TUNA_EXTENDED_SPECY_CODES } from '@features/PriorNotification/constants'
 import { useGetFaoAreasAsOptions } from '@hooks/useGetFaoAreasAsOptions'
 import { useGetSpeciesAsOptions } from '@hooks/useGetSpeciesAsOptions'
 import { CustomSearch, FormikNumberInput, FormikSelect, Select, SingleTag } from '@mtes-mct/monitor-ui'
@@ -12,7 +13,6 @@ import styled from 'styled-components'
 import { FormikExtraField } from './FormikExtraField'
 import { InputWithUnit, SubRow } from './styles'
 import { getFishingsCatchesValidationError } from './utils'
-import { BLUEFIN_TUNA_EXTENDED_SPECY_CODES } from '../../constants'
 import { getFishingsCatchesInitialValues } from '../../utils'
 
 import type { Specy } from '../../../../../../domain/types/specy'
@@ -52,11 +52,13 @@ export function FormikFishingCatchesMultiSelect({ isReadOnly }: FormikFishingCat
   )
 
   const add = (nextSpecy: Specy | undefined) => {
-    const specyIsAlreadyInCatches = values.fishingCatches?.find(
-      fishingCatch => fishingCatch.specyCode === nextSpecy?.code
-    )
-    if (specyIsAlreadyInCatches) {
-      return
+    if (values.hasGlobalFaoArea) {
+      const isSpecyCodeAlreadyInCatches = values.fishingCatches?.find(
+        fishingCatch => fishingCatch.specyCode === nextSpecy?.code
+      )
+      if (isSpecyCodeAlreadyInCatches) {
+        return
+      }
     }
 
     const specyOption = speciesAsOptions?.find(({ value }) => value.code === nextSpecy?.code)
diff --git a/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/utils.tsx b/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/utils.tsx
index b8517d11d1..bccf8c8643 100644
--- a/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/utils.tsx
+++ b/frontend/src/features/PriorNotification/components/ManualPriorNotificationForm/utils.tsx
@@ -1,6 +1,7 @@
+import { BLUEFIN_TUNA_EXTENDED_SPECY_CODES } from '@features/PriorNotification/constants'
 import { pick } from 'lodash'
 
-import { BLUEFIN_TUNA_EXTENDED_SPECY_CODES, INITIAL_FORM_VALUES } from './constants'
+import { INITIAL_FORM_VALUES } from './constants'
 import { PriorNotification } from '../../PriorNotification.types'
 
 import type { ManualPriorNotificationFormValues } from './types'
diff --git a/frontend/src/features/PriorNotification/components/PriorNotificationList/FilterBar.tsx b/frontend/src/features/PriorNotification/components/PriorNotificationList/FilterBar.tsx
index ee74688494..3804eb36ef 100644
--- a/frontend/src/features/PriorNotification/components/PriorNotificationList/FilterBar.tsx
+++ b/frontend/src/features/PriorNotification/components/PriorNotificationList/FilterBar.tsx
@@ -1,5 +1,6 @@
 import { COUNTRIES_AS_ALPHA3_OPTIONS } from '@constants/index'
 import { useGetFleetSegmentsAsOptions } from '@features/FleetSegment/hooks/useGetFleetSegmentsAsOptions'
+import { BLUEFIN_TUNA_EXTENDED_SPECY_CODES, BLUEFIN_TUNA_SPECY_CODE } from '@features/PriorNotification/constants'
 import { useGetPriorNotificationTypesAsOptions } from '@features/PriorNotification/hooks/useGetPriorNotificationTypesAsOptions'
 import { useGetGearsAsTreeOptions } from '@hooks/useGetGearsAsTreeOptions'
 import { useGetPortsAsTreeOptions } from '@hooks/useGetPortsAsTreeOptions'
@@ -20,6 +21,7 @@ import {
   useNewWindow
 } from '@mtes-mct/monitor-ui'
 import { assertNotNullish } from '@utils/assertNotNullish'
+import { uniq } from 'lodash'
 import { useCallback } from 'react'
 import styled from 'styled-components'
 
@@ -110,7 +112,11 @@ export function FilterBar() {
   }
 
   const updateSpecyCodes = (nextSpecyCodes: string[] | undefined) => {
-    dispatch(priorNotificationActions.setListFilterValues({ specyCodes: nextSpecyCodes }))
+    const normalizedNextSpecyCodes = nextSpecyCodes?.includes(BLUEFIN_TUNA_SPECY_CODE)
+      ? uniq([...nextSpecyCodes, ...BLUEFIN_TUNA_EXTENDED_SPECY_CODES])
+      : nextSpecyCodes
+
+    dispatch(priorNotificationActions.setListFilterValues({ specyCodes: normalizedNextSpecyCodes }))
   }
 
   const updateStatuses = (nextStatuses: FilterStatus[] | undefined) => {
diff --git a/frontend/src/features/PriorNotification/components/PriorNotificationList/Row.tsx b/frontend/src/features/PriorNotification/components/PriorNotificationList/Row.tsx
index 44738e0d83..eb5307e819 100644
--- a/frontend/src/features/PriorNotification/components/PriorNotificationList/Row.tsx
+++ b/frontend/src/features/PriorNotification/components/PriorNotificationList/Row.tsx
@@ -3,11 +3,10 @@ import { useMainAppDispatch } from '@hooks/useMainAppDispatch'
 import { customDayjs, Icon, TableWithSelectableRows, Tag, THEME } from '@mtes-mct/monitor-ui'
 import { flexRender, type Row as RowType } from '@tanstack/react-table'
 import { useIsSuperUser } from 'auth/hooks/useIsSuperUser'
-import { orderBy } from 'lodash'
 import styled from 'styled-components'
 
 import { FixedTag, None } from './styles'
-import { getColorsFromState, getExpandableRowCellCustomStyle } from './utils'
+import { displayOnboardFishingSpecies, getColorsFromState, getExpandableRowCellCustomStyle } from './utils'
 import { PriorNotification } from '../../PriorNotification.types'
 import { openManualPriorNotificationForm } from '../../useCases/openManualPriorNotificationForm'
 import { openPriorNotificationCard } from '../../useCases/openPriorNotificationCard'
@@ -20,7 +19,6 @@ export function Row({ row }: RowProps) {
   const isSuperUser = useIsSuperUser()
 
   const priorNotification = row.original
-  const firstFiveOnBoardCatchesByWeight = orderBy(priorNotification.onBoardCatches, ['weight'], ['desc']).slice(0, 5)
 
   const openCard = () => {
     if (priorNotification.isManuallyCreated) {
@@ -161,14 +159,7 @@ export function Row({ row }: RowProps) {
           <ExpandedRowCell>
             <ExpandedRowLabel>Principales espèces à bord :</ExpandedRowLabel>
             {priorNotification.onBoardCatches.length > 0 ? (
-              <ExpandedRowList>
-                {firstFiveOnBoardCatchesByWeight.map(({ species, speciesName, weight }) => (
-                  <StyledLi
-                    key={species}
-                    title={`${speciesName} (${species}) – ${weight} kg`}
-                  >{`${speciesName} (${species}) – ${weight} kg`}</StyledLi>
-                ))}
-              </ExpandedRowList>
+              <ExpandedRowList>{displayOnboardFishingSpecies(priorNotification.onBoardCatches)}</ExpandedRowList>
             ) : (
               <None>Aucune capture à bord.</None>
             )}
@@ -211,13 +202,6 @@ export function Row({ row }: RowProps) {
   )
 }
 
-const StyledLi = styled.li`
-  overflow: hidden;
-  text-overflow: ellipsis;
-  width: 215px;
-  white-space: nowrap;
-`
-
 const ExpandableRowCell = styled(TableWithSelectableRows.Td)<{
   $isInvalidated: boolean
 }>`
diff --git a/frontend/src/features/PriorNotification/components/PriorNotificationList/__tests__/__snapshots__/utils.test.ts.snap b/frontend/src/features/PriorNotification/components/PriorNotificationList/__tests__/__snapshots__/utils.test.ts.snap
new file mode 100644
index 0000000000..8a15b1c235
--- /dev/null
+++ b/frontend/src/features/PriorNotification/components/PriorNotificationList/__tests__/__snapshots__/utils.test.ts.snap
@@ -0,0 +1,21 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`features/PriorNotification/components/PriorNotificationList/utils displayOnboardFishingSpecies() should return the expected result 1`] = `
+[
+  <styled.li
+    title="Thon rouge de l'Atlantique (BFT) – 18 kg"
+  >
+    Thon rouge de l'Atlantique (BFT) – 18 kg
+  </styled.li>,
+  <styled.li
+    title="DEF Name (DEF) – 7 kg"
+  >
+    DEF Name (DEF) – 7 kg
+  </styled.li>,
+  <styled.li
+    title="ABC Name (ABC) – 3 kg"
+  >
+    ABC Name (ABC) – 3 kg
+  </styled.li>,
+]
+`;
diff --git a/frontend/src/features/PriorNotification/components/PriorNotificationList/__tests__/utils.test.ts b/frontend/src/features/PriorNotification/components/PriorNotificationList/__tests__/utils.test.ts
new file mode 100644
index 0000000000..34a2e015d5
--- /dev/null
+++ b/frontend/src/features/PriorNotification/components/PriorNotificationList/__tests__/utils.test.ts
@@ -0,0 +1,24 @@
+import { describe, expect, it } from '@jest/globals'
+
+import { displayOnboardFishingSpecies } from '../utils'
+
+import type { LogbookMessage } from '@features/Logbook/LogbookMessage.types'
+
+describe('features/PriorNotification/components/PriorNotificationList/utils', () => {
+  it('displayOnboardFishingSpecies() should return the expected result', () => {
+    const onboardCatches = [
+      { species: 'ABC', speciesName: `ABC Name`, weight: 0 },
+      { species: 'BF1', speciesName: `Thon rouge de l'Atlantique (Calibre 1)`, weight: 1 },
+      { species: 'DEF', speciesName: `DEF Name`, weight: 2 },
+      { species: 'ABC', speciesName: `ABC Name`, weight: 3 },
+      { species: 'BFT', speciesName: `Thon rouge de l'Atlantique`, weight: 4 },
+      { species: 'DEF', speciesName: `DEF Name`, weight: 5 },
+      { species: 'BF2', speciesName: `Thon rouge de l'Atlantique (Calibre 2)`, weight: 6 },
+      { species: 'BF3', speciesName: `Thon rouge de l'Atlantique (Calibre 3)`, weight: 7 }
+    ] as LogbookMessage.Catch[]
+
+    const result = displayOnboardFishingSpecies(onboardCatches)
+
+    expect(result).toMatchSnapshot()
+  })
+})
diff --git a/frontend/src/features/PriorNotification/components/PriorNotificationList/utils.ts b/frontend/src/features/PriorNotification/components/PriorNotificationList/utils.tsx
similarity index 82%
rename from frontend/src/features/PriorNotification/components/PriorNotificationList/utils.ts
rename to frontend/src/features/PriorNotification/components/PriorNotificationList/utils.tsx
index 124f9b5b8f..d1aa1de9c5 100644
--- a/frontend/src/features/PriorNotification/components/PriorNotificationList/utils.ts
+++ b/frontend/src/features/PriorNotification/components/PriorNotificationList/utils.tsx
@@ -6,7 +6,14 @@ import {
   type AllSeafrontGroup
 } from '@constants/seafront'
 import { LogbookMessage } from '@features/Logbook/LogbookMessage.types'
+import {
+  BLUEFIN_TUNA_EXTENDED_SPECY_CODES,
+  BLUEFIN_TUNA_NAME_FR,
+  BLUEFIN_TUNA_SPECY_CODE
+} from '@features/PriorNotification/constants'
 import { THEME, customDayjs, getMaybeBooleanFromRichBoolean, type DateAsStringRange } from '@mtes-mct/monitor-ui'
+import { update } from 'lodash'
+import styled from 'styled-components'
 
 import {
   COMMUNITY_PRIOR_NOTIFICATION_TYPES,
@@ -23,6 +30,51 @@ import { PriorNotification } from '../../PriorNotification.types'
 import type { FilterStatus, ListFilter } from './types'
 import type { CSSProperties } from 'react'
 
+export function displayOnboardFishingSpecies(onBoardCatches: LogbookMessage.Catch[]) {
+  const heaviestOnBoardCatches = onBoardCatches
+    .reduce<
+      Array<{
+        specyCode: string
+        specyName: string
+        weight: number
+      }>
+    >((aggregatedCatches, currentCatch) => {
+      const [normalizedSpecyCode, normalizedSpecyName] = BLUEFIN_TUNA_EXTENDED_SPECY_CODES.includes(
+        currentCatch.species
+      )
+        ? [BLUEFIN_TUNA_SPECY_CODE, BLUEFIN_TUNA_NAME_FR]
+        : [currentCatch.species, currentCatch.speciesName]
+      const existingCatchSpecyIndex = aggregatedCatches.findIndex(
+        aggregatedCatch => aggregatedCatch.specyCode === normalizedSpecyCode
+      )
+      if (
+        existingCatchSpecyIndex > -1 &&
+        currentCatch.weight !== undefined &&
+        aggregatedCatches[existingCatchSpecyIndex]?.weight !== undefined
+      ) {
+        return update(aggregatedCatches, `[${existingCatchSpecyIndex}].weight`, weight => weight + currentCatch.weight)
+      }
+
+      return [
+        ...aggregatedCatches,
+        {
+          specyCode: normalizedSpecyCode,
+          specyName: normalizedSpecyName,
+          weight: currentCatch.weight
+        }
+      ]
+    }, [])
+    .sort((a, b) => b.weight - a.weight)
+    .slice(0, 5)
+
+  return heaviestOnBoardCatches.map(({ specyCode, specyName, weight }) => (
+    <StyledLi
+      key={specyCode}
+      title={`${specyName} (${specyCode}) – ${weight} kg`}
+    >{`${specyName} (${specyCode}) – ${weight} kg`}</StyledLi>
+  ))
+}
+
 function getApiFilterFromExpectedArrivalPeriod(
   period: ExpectedArrivalPeriod,
   customPeriod: DateAsStringRange | undefined
@@ -254,3 +306,10 @@ export function getTitle(seafrontGroup: SeafrontGroup | AllSeafrontGroup | NoSea
       return `Préavis en ${SUB_MENU_LABEL[seafrontGroup]}`
   }
 }
+
+const StyledLi = styled.li`
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  width: 215px;
+`
diff --git a/frontend/src/features/PriorNotification/constants.ts b/frontend/src/features/PriorNotification/constants.ts
index 3ae81027a8..e0487921f6 100644
--- a/frontend/src/features/PriorNotification/constants.ts
+++ b/frontend/src/features/PriorNotification/constants.ts
@@ -1,3 +1,7 @@
+export const BLUEFIN_TUNA_SPECY_CODE = 'BFT'
+export const BLUEFIN_TUNA_EXTENDED_SPECY_CODES = ['BF1', 'BF2', 'BF3']
+export const BLUEFIN_TUNA_NAME_FR = `Thon rouge de l'Atlantique`
+
 export enum OpenedPriorNotificationType {
   LogbookForm = 'LogbookForm',
   ManualForm = 'ManualForm'