Shorefishes of the Eastern Pacific online information system

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Species: Ilisha fuerthii, Hachet herring, Pacific ilisha

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C yellow, pectoral yellow + black tip
mouth opens up
lower jaw short, projecting
pelvics present
scutes: throat to A origin
A: long base, 46-50

Ilisha fuerthii (Steindachner, 1875)

Pacific ilisha, Hachet herring

Elongate, compressed; eye large; forehead concave; mouth oblique, opens up, lower jaw projecting, top jaw not reaching beyond center of eye; jaw teeth small, none at center of top jaws; gill rakers short, thick, few; dorsal fin a little before mid-body, 16 rays; small pelvics present, 6-7 rays, before dorsal fin; anal fin with long base, origin under last dorsal rays, 46-50; scales of moderate size with sharp keel of 23-25 + 11-14 scutes along belly.

Overall silvery; tail yellow, pectoral yellow, black tip.

Size: to 28.5 cm.

Habitat: coastal seas, frequently entering estuaries and brackish river mouths.

Depth: 0-10 m?

Southern Mexico to northern Peru.

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  • Marine
  • Brackish
  • Inshore Only
  • Inshore
Water Column Position
  • Surface
  • Near Surface
  • Water column only
  • Estuary
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Water column
  • Freshwater
FishBase Habitat
  • Pelagic
Feeding Group
  • Data
  • Planktivore
  • Zooplankton
  • Pelagic fish eggs
  • Pelagic fish larvae
  • No Data
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Continent only
  • Continental TEP endemic
  • TEP endemic
  • All species
  • Continent
  • Mexican + Panamic provinces endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Depth Range Max
  • 10
Depth Range Min
  • 0
Length Max
  • 28.5