Shorefishes of the Eastern Pacific online information system

Español  Contact

Species: Priacanthus alalaua, Hawaiian bigeye, the Alalaua

All Families:   All Genera:   All Species:

body & fins red
pelvic: membranes black
head profiles asymmetric
preopercle: no spine, rear edge scaly

Priacanthus alalaua Jordan & Evermann, 1903

Hawaiian bigeye, Alalaua

Body moderately elongate oval, strongly compressed; head profiles asymmetrical, with tip of lower jaw above body midline; no large flat spine at angle of preopercle, its rear edge scaly; rakers on first gill arch 19-23; dorsal rays X, 12-14 (usually 13); anal rays III, 13-14 (usually 14); pectoral rays 17-19 (usually 18); pelvic fins relatively short, usually less than head length, broadly fused to belly; tail with W-shaped rear border; lateral-line scales 65-79; scale rows between lateral line and dorsal fin origin 10-13.

Overall crimson, including fins and iris of eye; membranes of pelvic fin black; no dark spotting on fins.

Size: to 32 cm.

Inhabits rocky bottoms.

Depth: 10-275 m.

Hawaiian Islands and tropical eastern Pacific; in the latter region it is the Revillagigedos Islands and Alijos rocks west of southern Baja.

High Resolution Map Download

Species Data Create Report Export as Word File Export as Excel File
  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom + water column
  • Near Bottom
  • Mid Water
  • Bottom
  • Water column
  • Reef (rock/coral/oyster)
  • Reef only
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Planktivore
  • Data
  • No Data
  • Zooplankton
  • Pelagic crustacea
Egg Type
  • Pelagic larva
  • Pelagic
  • No data
Global Endemism
  • "Transpacific" (East + Central &/or West Pacific)
  • TEP non-endemic
  • Central + East Pacific (but not West)
  • Pacific only (East + Central &/or West)
  • All species
Regional Endemism
  • Tropical Eastern Pacific (TEP) non-endemic
  • Eastern Pacific non-endemic
  • All species
  • Island (s)
  • Island (s) only
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Depth Range Max
  • 275
Depth Range Min
  • 10
Length Max
  • 32