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